CUSAT CAT 2018 Question Paper LET

Subject Code : 102 Section Code : -Select- Difficulty: 1

Subject Answer
Q Id Questions
Code Key

Direction : Fill in the blanks with the correct answer selected from the choice given below I heard the sound of
goats ………..

(A) howling
102 2951 (C)
(B) lowing

(C) bleating

(D) screaming

Direction : Fill in the blanks with the correct answer selected from the choice given below Every human being
has to obey a ………. of laws to become a good citizen of his country.

(A) team
102 2952 (B)
(B) code

(C) chain

(D) crowd

Direction : Fill in the blanks with the correct answer selected from the choice given below She ………. to God
every day.

(A) will pray
102 2953 (B)
(B) prays

(C) will be praying

(D) has prayed

Direction : Fill in the blanks with the correct answer selected from the choice given below She is ………. young
to marry me.

(A) so
102 2954 (D)
(B) much

(C) very

(D) too

Direction : Fill in the blanks with the correct answer selected from the choice given below This is the man
………. wished to see you.

(A) whom
102 2955 (C)
(B) that

(C) who

(D) which

Direction : Fill in the blanks with the correct answer selected from the choice given below Joy was not there
………. his brother was.

(A) when
102 2956 (D)
(B) that

(C) while

(D) but

102 2957 Direction : Fill in the blanks with the correct answer selected from the choice given below He is a jack of all (C)
trades ……….. master of none.

(A) while

(B) when

(C) but

(D) and

Direction: Select the correct question tag for the following: You will support me, ……….?

(A) will you

102 2958 (B) won’t you (B)

(C) can you

(D) would you

Direction: Select the correct question tag for the following: It is a beautiful painting, ……….?

(A) was it

102 2959 (B) is it (C)

(C) isn’t it

(D) can it

Direction: Select the correct question tag for the following: They find pleasure in amassing wealth, ……….?

(A) have they

102 2960 (B) do they (C)

(C) don’t they

(D) hadn’t they

Direction: Select the correct question tag for the following: He had never worked hard in his lifetime, ……….?

(A) hadn’t he

102 2961 (B) had he (B)

(C) did he

(D) could he

Direction: Select the correct question tag for the following: He loves music, ……….?

(A) does he

102 2962 (B) doesn’t he (B)

(C) did he

(D) hasn’t he

Direction: Select the correct question tag for the following: Let us not run away, ……….?

(A) will we

102 2963 (B) shall we (B)

(C) can we

(D) do we

102 2964 Direction: Choose the correct form of passive voice for the following: We cannot change the past. (B)

(A) The past is not changed by us.

(B) The past cannot be changed buy us.

(C) The past will not be changed buy us.

(D) The past has not been changed buy us.

Direction: Select the correct form of reported speech for the following: The son said to his mother, “ I will reach
home tomorrow.”

(A) The son said to his mother that he would reach home the next day.
102 2965 (A)
(B) The son said to his mother that he will reach home tomorrow.

(C) The son said to his mother that he can reach home the next day.

(D) The son said to his mother that he had reached home the next day.

Directions: Fill in the blanks with the correct form of tense selected from the choice given below: Jack ……….
since 2014.

(A) had stayed here
102 2966 (C)
(B) did stay here

(C) has been staying here

(D) is staying here

Directions: Fill in the blanks with the correct form of tense selected from the choice given below: The picture
………. on the wall.

(A) was hung
102 2967 (A)
(B) was hanged

(C) had hanged

(D) is hanged

Directions: Fill in the blanks with the correct form of tense selected from the choice given below: The novelist
………. us the story of a mother’s desperate attempts to set right a mistake in the past.

(A) has told
102 2968 (B)
(B) tells

(C) will tell

(D) can tell

Directions: Pick out the correct form of active voice for the following: A new political party is being organized
by them.

(A) They had organized a new political party.
102 2969 (D)
(B) They organize a new political party.

(C) They will organize a new political party.

(D) They are organizing a new political party.

Directions: Pick out the correct form of active voice for the following: The work has been accomplished by
them.

(A) They accomplished the work.
102 2970 (C)
(B) They had accomplished the work.

(C) They have accomplished the work.

(D) They are accomplishing the work.

102 2971 (B)

(A) a unique solution

(B) infinitely many solutions

(C) no solution

(D) three solutions

(A) 2
102 2972 (C)
(B) 6

(C) 8

(D) 4

(A) 0
102 2973 (A)
(B) 1

(C)

(D)

(A)

(B)
102 2974 (A)

(C)

(D)

102 2975 (B)

(A)

(B)

(C)

(D)

(A)

(B)

102 2976 (B)

(C)

(D)

(A)

102 2977 (B) (D)

(C)

(D)

(A)

102 2978 (B) (B)

(C)

(D)

102 2979 (C)

(A)

(B)

(C)

(D)

(A)

102 2980 (B) (B)

(C)

(D)

(A)

(B)
102 2981 (C)

(C)

(D)

(A)

102 2982 (B) (B)

(C)

(D)

102 2983 (D)

(A)

(B)

(C)

(D)

(A)

102 2984 (B) (D)

(C)

(D)

(A)

102 2985 (B) (C)

(C)

(D)

(A)

102 2986 (B) (C)

(C)

(D)

(A)

102 2987 (B) (D)

(C)

(D)

102 2988 (C)

(A)

(B)

(C)

(D)

(A)

102 2989 (B) (C)

(C)

(D)

(A)

102 2990 (B) (C)

(C)

(D)

(A)

102 2991 (B) (C)

(C)

(D)

102 2992 (B)

(A)

(B)

(C)

(D)

(A)

102 2993 (B) (C)

(C)

(D)

(A)

102 2994 (A)
(B)

(C)

(D)

(A)

(B)
102 2995 (C)

(C)

(D)

(A)

(B)
102 2996 (B)

(C)

(D)

102 2997 (A)

(A)

(B)

(C)

(D)

(A)

102 2998 (B) (C)

(C)

(D)

(A)

(B)
102 2999 (C)

(C)

(D)

(A)

102 3000 (B) (B)

(C)

(D)

102 3001 (D)

(A)

(B)

(C)

(D)

(A)

102 3002 (B) (B)

(C)

(D)

(A)

102 3003 (B) (B)

(C)

(D)

(A)

(B)
102 3004 (D)

(C)

(D)

102 3005 (C)

(A)

(B)

(C)

(D)

(A)

(B)
102 3006 (B)

(C)

(D)

(A)

102 3007 (B) (B)

(C)

(D)

(A)

102 3008 (B) (C)

(C)

(D)

(A)

102 3009 (B)
(B)

(C)

(D)

102 3010 (B)

(A)

(B)

(C)

(D)

(A)

(B)
102 3011 (C)

(C)

(D)

(A)

102 3012 (B) (B)

(C)

(D)

102 3013 (D)

(A)

(B)

(C)

(D)

(A)

(B)
102 3014 (D)

(C)

(D)

(A)

102 3015 (B) (A)

(C)

(D)

(A)

102 3016 (B) (D)

(C)

(D)

(A)

102 3017 (B) (A)

(C)

(D)

102 3018 (A)

(A)

(B)

(C)

(D)

(A)

102 3019 (B) (A)

(C)

(D)

(A)

(B)
102 3020 (A)

(C)

(D)

If the resultant of two forces P and Q acting at an angle θ makes an angle α with P, then

(A) tan α = P sin θ / (Q – P cos θ)

102 3021 (B) tan α = Q sin θ / (P + Q cos θ) (B)

(C) tan α = P sin θ / (P + Q tan θ)

(D) tan α = Q sin θ / (P - Q sin θ)

102 3022 A number of forces acting at a point will be in equilibrium if (C)

(A) their total sum is zero

(B) two resolved parts in two directions at right angles are equal

(C) sum of resolved parts in any two perpendicular directions are both zero

(D) all of them are inclined equally

According to principle of moments

(A) if a system of coplanar forces is in equilibrium, then their algebraic sum is zero

(B) if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in
102 3023 their plane is zero (B)

(C) the algebraic sum of the moments of any two forces about any point is equal to moment of their resultant
about the same point

(D) positive and negative couples can be balanced

According to law of triangle of forces

(A) three forces acting at a point will be in equilibrium

(B) three forces acting at a point can be represented by a triangle, each side being proportional to force
102 3024 (C)
(C) if three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle,
taken in order they will be in equilibrium

(D) if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between
the other two.

A trolley wire weighs 12 N per metre length. The ends of the wire are attached to two poles 20 m apart. If the
horizontal tension is 15 kN, find the dip in the middle of the span.

(A) 2.5 cm
102 3025 (C)
(B) 3 cm

(C) 4 cm

(D) 5 cm

The moment of inertia of a thin ring, external diameter D, internal diameter d, about an axis perpendicular to the
plane of the ring is

(A) (π/64) (D4 + d4)
102 3026 (D)
(B) (π/64) (D4 - d4)

(C) (π/32) (D4 + d4)

(D) (π/32) (D4 - d4)

The resultant of the following three couples, 20 N force, 0.5 m arm, positive sense; 30 N force, 1 m arm,
negative sense; 40 N force, 0.25 m arm, positive sense; having an arm of 0.5 m will be

(A) 20 N, negative sense
102 3027 (A)
(B) 20 N, positive sense

(C) 10 N, positive sense

(D) 10 N, negative sense

Moment of inertia of an elliptical area having major and minor diameters as x and y about the major axis is

(A) πxy3

102 3028 (B) πyx3/4 (A)

(C) πx2y3/4

(D) πx2y2/3

102 3029 Angle of friction is the (A)

(A) angle between the normal reaction and the resultant of normal reaction and the limiting force of friction

(B) ratio of limiting force of friction and normal reaction

(C) the ratio of the minimum force to the frictional force acting when the body is in motion

(D) ratio of static and dynamic friction

Least force required to draw a body up the inclined plane is W.sin(plane inclination + friction angle) applied in
the direction

(A) along the plane
102 3030 (D)
(B) horizontally

(C) vertically

(D) at an angle equal to the angle of friction to the inclined plane

Two bodies of 100 N and 400 N are resting on two inclined planes α and β towards each other and the bodies
are joined together by a string passing over a pulley connected at the top of inclined planes. The coefficient of
friction of two bodies with their inclined planes are μ1 and μ2 respectively. Tension in string will be

(A) 100 N
102 3031 (C)
(B) 300 N

(C) 400 N

(D) 500 N

A semi circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion
touching down. The coefficient of friction between semi circular disc and horizontal surface is μ. This disc is to
be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to
start moving, its top horizontal force will

(A) remain horizontal
102 3032 (C)
(B) slant up towards direction of pull

(C) slant down towards direction of pull

(D) unpredictable

The centre of gravity of an isosceles triangle with base ‘a’ and other side ‘b’ lies at following distance from the
base

(A) √(4a2‒b2)/6
102 3033 (A)
(B) √(a2‒b2)/6

(C) √(2a2‒b2)/6

(D) √(4a2‒b2)/3

The moment of inertia of hollow circular section about a central axis perpendicular to section as compared to its
moment of inertia about horizontal axis is

(A) same
102 3034 (B)
(B) double

(C) half

(D) four times

In actual machines

(A) mechanical advantage is greater than velocity ratio

102 3035 (B) mechanical advantage is equal to velocity ratio (C)

(C) mechanical advantage is less than velocity ratio

(D) mechanical advantage is unity

102 3036 The velocity ratio in case of an inclined plane inclined at angle θ to horizontal and weight being pulled up the (A)
inclined plane by vertical effort is

(A) sin θ

(B) 1/sin θ

(C) 1/cos θ

(D) tan θ

The value of acceleration due to gravity at poles as compared to equator is

(A) greater

102 3037 (B) lesser (A)

(C) same

(D) unpredictable

A body of mass m moving with a constant velocity v hits another body of the same mass moving with the same
velocity v but in opposite direction and sticks to it, then the velocity of the compound body after collision is

(A) zero
102 3038 (A)
(B) v/2

(C) 4v

(D) 2v

A ball is dropped vertically downwards from the top of a building and another one is thrown horizontally.
Which will strike ground first?

(A) one dropped vertically
102 3039 (C)
(B) one thrown horizontally

(C) both will strike simultaneously

(D) it will depend on their mass

A boatman rowing his boat at normal speed takes 12 minutes to cover 2 kilometres downstream, while rowing
upstream at the same speed he takes 20 minutes to cover the same distance. The normal speed of the boat is

(A) 2 km/hr
102 3040 (D)
(B) 4 km/hr

(C) 6 km/hr

(D) 8 km/hr

A stone is whirled in a vertical circle. The tension in the string is greatest when the stone is

(A) in the lowest position

102 3041 (B) in the highest position (A)

(C) in the position when the string is horizontal

(D) tension is equal in all positions

The first law of motion provides the definition of

(A) momentum

102 3042 (B) force (B)

(C) acceleration

(D) energy

102 3043 A satellite is kept on moving in its orbit around the earth due to (B)

(A) centrifugal force

(B) centripetal force

(C) gravitational force

(D) resultant forces acting on satellite

What will happen to the time period of a simple pendulum bob when it is made to oscillate in water?

(A) time period will remain same

102 3044 (B) time period will decrease (C)

(C) time period will increase

(D) unpredictable

Which of the following pairs of physical quantities have identical dimension?

(A) momentum and impulse

102 3045 (B) work and energy (D)

(C) torque and energy

(D) all of the above

Moment of inertia of a rectangular lamina of mass M, length l and breadth b about an axis perpendicular to its
plane and passing through its centre of gravity is given by

(A) M (l 2 + b 2 )/12
102 3046 (A)
(B) M (l 3 + b 3 )/12

(C) M (l 2 + b 2 )/4

(D) M (l 2 + b 2 )/2

A thief stole a box full of jewellery of W kg and while carrying it on his head jumped down from third storey of
building. Before he reached the ground, he experienced a load of

(A) zero
102 3047 (A)
(B) infinite

(C) less than W

(D) greater than W

The escape velocity of a body on earth

(A) increases with the increase of its mass

102 3048 (B) decreases with the increase of its mass (C)

(C) remains unchanged with the variation of mass

(D) varies as the square root of change in mass

The amplitude of a vibrating body situated in a resisting medium

(A) decreases exponentially with time

102 3049 (B) increases exponentially with time (A)

(C) remains constant with time

(D) decreases linearly with time

102 3050 A tunnel is dug through the earth from one end to the opposite end along a diameter and a particle is dropped at (B)
one end of the tunnel. The particle will

(A) come out of the other end

(B) execute simple harmonic motion about the centre of the earth

(C) immediately come to rest at the centre

(D) stay at the point where it is dropped

A boy is swinging on a swing. If another boy sits along with him without disturbing his motion, then the time
period of swing will be

(A) increase
102 3051 (D)
(B) decrease

(C) be doubled

(D) remain the same

Time of flight of a projectile fired with velocity u at angle of α with horizontal on an upward inclined plane of β
with horizontal is equal to

(A) 2u sin (α-β)/g cos β
102 3052 (A)
(B) 2u2 sin (α-β).cos α/g cos2 β

(C) 2u sin (α+β)/g cos β

(D) 2u2 sin (α+β).cos α/g cos2 β

If two equal forces of magnitude P act at an angle θ, their resultant will be

(A) P cos θ/2

102 3053 (B) 2P sin θ/2 (D)

(C) 2P tan θ/2

(D) 2P cos θ/2

For perfectly elastic bodies, the value of the coefficient of restitution is

(A) zero

102 3054 (B) 0.5 (C)

(C) 1

(D) between 0 and 1

A motorbike starts from rest and accelerates at a rate of 4 m/s2 for 10 seconds and then decelerates at 8 m/s2
until it stops. The total distance covered is

(A) 100 m
102 3055 (C)
(B) 200 m

(C) 300 m

(D) 500 m

The shaft of a motor starts from rest and attains full speed of 1800 rpm in 10 seconds. The shaft has an angular
acceleration (rad/s2) of

(A) 3π
102 3056 (B)
(B) 6π

(C) 2π

(D) 18π

102 3057 A body is moving with a constant speed of 10 m/s in a circle of radius 10 m, then its angular acceleration in (A)
rad/s2 will be

(A) zero

(B) 0.1

(C) 1

(D) 10

The CG of a right circular solid cone of height ‘ h’ lies at the following distance from the base

(A) h/2

102 3058 (B) h/3 (D)

(C) h/6

(D) h/4

A particle moves along a straight line such that distance x travelled in t seconds is given by x = t 2 (t-4), the
acceleration of the particle will be given by the equation

(A) 3 t 2 – 2t
102 3059 (C)
(B) 3 t 2 + 2t

(C) 6t – 8

(D) 6t – 4

If a particle moves in a circle of radius r with a velocity v, then its acceleration towards its centre is equal to

(A) v x r

102 3060 (B) v/r (D)

(C) v 2 x r

(D) v2/ r

When a line is parallel to both HP and VP

(A) side view give true length

102 3061 (B) only top view give true length (D)

(C) only front view give true length

(D) both front and top views give true length.

If the front view of a line crosses XY line, which statement given below is true?

(A) The line crosses HP

102 3062 (B) The line crosses VP (A)

(C) The line is in II quadrant

(D) The line is in IV quadrant

If the distance of the elevation of a point from xy line is same as the distance of its plan from xy line, which
statement given below is true?

(A) The point is in I quadrant
102 3063 (C)
(B) The point is in II quadrant

(C) The point is equidistant from both HP and VP

(D) The distance of the point from HP is double the distance of the point from VP

102 3064 A cube is resting on HP on a face and all the three views are geometrically the same. Which statement is true? (A)

(A) The cube has one face parallel to VP

(B) The cube has one face making 300 to VP

(C) The cube has one face making 600 to VP

(D) All the above

To get the true shape as the biggest possible triangle when a cone is cut

(A) cutting plane should cut the base

102 3065 (B) cutting plane should pass through the apex (D)

(C) cutting plane should be parallel to end generator

(D) cutting plane should contain the axis

Central plane in perspective projection is

(A) a plane passing through the axis of solid

102 3066 (B) a plane passing through the eye parallel to ground plane (C)

(C) a plane passing through the eye perpendicular to ground plane and picture plane

(D) a plane passing through the mid point of axis of solid

When height of observer is equal to the height of the cylinder which is standing on its base on ground plane,
what is the shape of the perspective view of the top circular face?

(A) a line
102 3067 (A)
(B) a point

(C) an ellipse which is fully visible

(D) an ellipse which is partially visible

Isometric view of a sphere of radius “R” is

(A) a circle of radius (R/0.816)

102 3068 (B) an ellipse of major axis 2R (A)

(C) an ellipse of major axis (2R/0.816)

(D) a circle of radius R

An RF with a larger numerator and smaller denominator is preferred when we make the detailed drawing of a

(A) a bridge

102 3069 (B) a building (C)

(C) a watch

(D) a land

The curve satisfying Boyle's Law is a

(A) Rectangular hyperbola

102 3070 (B) Parabola (A)

(C) cycloid

(D) Hyperbola

102 3071 When measurements are required in THREE units, which type of scale is used (A)

(A) Diagonal scale

(B) � Plain scale

(C) Scale of chords

(D) Comparative scale

In a backward reading vernier scale

(A) Main scale division > Vernier scale division

102 3072 (B) Main scale division < Vernier scale division (B)

(C) Main scale division =Vernier scale division

(D) Main scale division always greater by 1.5 times vernier scale division

Name the curve traced by a point moving in a plane such that the difference between its distances from two
fixed points in the same plane is always the same

(A) Parabola
102 3073 (C)
(B) Ellipse

(C) Hyperbola

(D) Cycloid

For a parabola

(A) e = 1

102 3074 (B) e > 1 (A)

(C) e < 1

(D) e can be any value

The linear motion of a point on a line and the rotary motion of the line are uniform, the resulting cure is called

(A) Involute

102 3075 (B) Archimedean spiral (B)

(C) logarithmic spiral

(D) Hypocycloid

In orthographic projection, the projectors are

(A) Perpendicular to each other and parallel to the plane

102 3076 (B) Perpendicular to each other and perpendicular to the plane (C)

(C) Parallel to each other and perpendicular to the plane

(D) Parallel to each other and parallel to the plane

When a line is contained by a plane, then

(A) The projection on that plane is will give the true length

102 3077 (B) The projection on the other plane will give the true length (A)

(C) The projection on that plane will be in the reference line

(D) The projection on the other plane will not be in the reference plane

If a line is inclined to the HP and parallel to the VP, then

(A) It will have only the vertical trace

102 3078 (B) It will have only horizontal trace (B)

(C) It will have both horizontal and vertical traces

(D) It will have no traces

102 3079 Which one is a regular polyhedron? (B)

(A) Square prism

(B) Cube

(C) Cone

(D) Sphere

Which one below is a solid of revolution

(A) Cube

102 3080 (B) Prism (D)

(C) Pyramid

(D) Cylinder

Which of the following position is not possible for a right solid?

(A) Axis perpendicular to VP and parallel to HP

102 3081 (B) Axis perpendicular to HP and parallel to VP (C)

(C) Axis perpendicular to both HP and VP

(D) Axis parallel to both HP and VP

A regular pentagonal prism is first placed in such a way that its axis is perpendicular to the HP and one of its
edges on the base is parallel to the VP. In the next position it is tilted such that now the axis makes an acute
angle with the HP. The front view for the first and second position will be

(A) Pentagon, rectangle
102 3082 (A)
(B) Rectangle pentagon

(C) Pentagon, pentagon

(D) Rectangle, rectangle

When a cone is cut by a plane parallel to a generator, the true shape of the section obtained will be

(A) Hyperbola

102 3083 (B) Parabola (B)

(C) Ellipse

(D) Circle

If a cutting plane is parallel to a face of the tetrahedron, the section produced will be

(A) Equilateral triangle

102 3084 (B) Isosceles triangle (A)

(C) Rectangle

(D) Square

A triangular prism is resting on a rectangular face in the HP is cut by a horizontal plane. Its sectional top view is

(A) Equilateral triangle

102 3085 (B) Isosceles triangle (C)

(C) Rectangle

(D) Square

102 3086 If a polyhedron is cut by any section plane, the true shape of the section is a closed figure made up of (A)

(A) Straight lines

(B) Curves

(C) Combination of lines and curves

(D) Any of these

Isometric drawings fall in to the category of

(A) Oblique drawing

102 3087 (B) Axonometric drawing (C)

(C) Multiview drawing

(D) Perspective drawing

The projectors in isometric view are

(A) Converging

102 3088 (B) Diverging (D)

(C) Parallel to plane of projection

(D) Perpendicular to plane of projection

A square in a regular multiveiw projection appears in isometric view as

(A) Box

102 3089 (B) Square (C)

(C) Rhombus

(D) Parallelogram

A sphere in isometric projection appears as a circle of diameter

(A) Equal to the diameter of the sphere

102 3090 (B) 0.816 times the diameter of the sphere (A)

(C) Less that 0.816 times the diameter of the sphere

(D) Greater that that 0.816 times the diameter of the sphere

Perspective drawings are classified according to the number of these features

(A) Station points

102 3091 (B) Picture planes (C)

(C) Vanishing points

(D) Ground lines

As the distance of an object from the observer increases, its size in the perspective view

(A) Remains constant

102 3092 (B) Increases (C)

(C) Decreases

(D) Any of the above

102 3093 A circle will appear as a circle in its perspective view when (C)

(A) Parallel to the ground plane

(B) Parallel to the Centre line

(C) Parallel to the picture plane

(D) Parallel to the horizon

What type of drawing shows the front in true shape?

(A) Oblique

102 3094 (B) Isometric (C)

(C) Perspective

(D) Multiview

In isometric projection, all the lengths measured parallel to the principal axes of the soild are shortened in the
proportion of

(A) 0.62
102 3095 (B)
(B) 0.82

(C) 0.75

(D) 0.9

In isometric projection, four centre method is used to construct

(A) Circle

102 3096 (B) Square (A)

(C) Rectangle

(D) Pentagon

If a cutting cuts six edges of a cube, then the true shape obtained will be

(A) Square

102 3097 (B) Rectangle (D)

(C) Pentagon

(D) Hexagon

If a line is inclined to the VP and parallel to the HP, then which of the following statements is always
CORRECT?

(A) True Length = Plan Length
102 3098 (A)
(B) True Length = Elevation Length

(C) True Length > Elevation Length

(D) VT is above XY

When the flat face of a hemisphere is inclined to the HP and perpendicular to the VP, then the top view will be

(A) Ellipse

102 3099 (B) Circle (A)

(C) Semi circle

(D) None of the above

To obtain a parabolic section while cutting a right circular cone, the cutting plane should be

(A) Inclined to the base and cut all the generators

102 3100 (B) Parallel to a generator (B)

(C) Perpendicular to the base of the cone

(D) None of the above

102 3101 Which of the following cement is suitable for use in massive concrete structures such as large dams? (B)

(A) Ordinary Portland cement

(B) Low heat cement

(C) Rapid hardening cement

(D) Sulphate resisting cement

Type of bond provided in brick masonry for carrying heavy loads is

(A) Single Flemish Bond

102 3102 (B) Double Flemish Bond (C)

(C) English Bond

(D) Zig Zag Bond

A good brick should not absorb more than what percentage of water when soaked?

(A) 0.15

102 3103 (B) 0.2 (A)

(C) 0.3

(D) 0.1

The compressive strength of the brick should be

(A) Minimum 3.5 kN/m2

102 3104 (B) Maximum 3.5 kN/m2 (C)

(C) Minimum 3.5 N/mm2

(D) Maximum 3.5 N/mm2

Fine Aggregates should pass through which IS sieve?

(A) 2.35 mm

102 3105 (B) 45 �m (C)

(C) 4.75 mm

(D) 75 �m

What is the ideal water-cement ratio to be used while hand mixing?

(A) 0.4-0.5

102 3106 (B) 0.5-0.6 (B)

(C) 0.6-1

(D) 1.6-2

Excess vibration during compacting can lead to

(A) Bleeding

102 3107 (B) Segregation (B)

(C) High strength

(D) Air bubbles

102 3108 In ………. levelling, the first and last points are at a far distance. (B)

(A) Fly

(B) Differential

(C) Profile

(D) Reciprocal

What property does steel impart to a R.C.C. structure?

(A) Compression and tension

102 3109 (B) Tension (A)

(C) Shear

(D) Compression

The processes occurring in open system which permit the transfer of mass to and from the system, are known as

(A) flow processes

102 3110 (B) non-flow processes (A)

(C) adiabatic processes

(D) none of these

A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

(A) Carnot cycle

102 3111 (B) Stirling cycle (D)

(C) Otto cycle

(D) Diesel cycle

The compression ratio is the ratio of

(A) swept volume to total volume

102 3112 (B) total volume to swept volume (D)

(C) swept volume to clearance volume

(D) total volume to clearance volume

The temperature at which a pure liquid transforms into vapour at constant pressure is called as

(A) vaporisation temperature

102 3113 (B) normal temperature (C)

(C) saturation temperature

(D) none of the above.

The basis for measuring thermodynamic property of temperature is given by

(A) zeroth law of thermodynamics

102 3114 (B) first law of thermodynamics (A)

(C) second law of thermodynamics

(D) Avogadro’s hypothesis.

102 3115 Carnot cycle consists of (B)

(A) two constant volume and two isentropic processes

(B) two isothermal and two isentropic processes

(C) two constant pressure and two isentropic processes

(D) one constant volume, one constant pressure and two isentropic processes

Impulse turbine requires

(A) High head and low discharge

102 3116 (B) High head and high discharge (A)

(C) Low head and low discharge

(D) Low head and high discharge

A straight conductor 0.30 m long moves at a steady speed of 2.0 meters per second at right angles to a magnetic
field of flux density 0.20 T. The emf induced across the conductor is

(A) 0.06 V
102 3117 (B)
(B) 0.12 V

(C) 0.04 V

(D) 0.24 V

In electrodynamic instruments, the operating field is produced by

(A) Permanent magnet

102 3118 (B) Moving coil (C)

(C) Fixed coil

(D) All of these

At resonance, the following condition is true

(A) Inductive reactance is equal to capacitive reactance

102 3119 (B) Inductive reactance is greater than capacitive reactance (A)

(C) Inductive reactance is less than capacitive reactance

(D) None of the above

Two circuits having the same ohmic impedance are joined in parallel. The p.f of one

(A) 0.6

102 3120 (B) 1 (C)

(C) 0.707

(D) 0.8

The maximum value of the voltage of 230V 50 Hz a.c supply is

(A) 230 V

102 3121 (B) 400 V (B)

(C) 460 V

(D) 322 V

The power consumed in a single phase a.c circuit having a voltage of 230 V, load current of 5A and a lagging p.f
of 0.8 will be

(A) 92 kW
102 3122 (C)
(B) 92 W

(C) 920 W

(D) 920 kW

102 3123 Three capacitors of value 10, 20 and 40 μF are connected in parallel across a 200 V source. Find the total charge (D)
residing on the capacitors?

(A) 4 � 10‒3 C

(B) 8 � 10‒3 C

(C) 24 � 10‒3 C

(D) 14 � 10‒3 C

When germanium crystal is doped with phosphorous atoms, it becomes

(A) N-type semiconductor

102 3124 (B) P-type semiconductor (A)

(C) An insulator

(D) Photo-transistor

The number of minority carriers crossing the junction of a diode depends primarily on the

(A) Concentration of doping impurities

102 3125 (B) Magnitude of potential barrier (D)

(C) Magnitude of the forward –bias voltage

(D) Rate of thermal generation of electron-hole pairs

The transistor is said to be in quiescent state when

(A) It is unbiased

102 3126 (B) No current flows through it (C)

(C) No signal is applied to the input

(D) Emitter junction is just biased equal to collector junction

Which of following represent an active transducer?

(A) Strain gauge

102 3127 (B) Thermistor (D)

(C) LVDT

(D) Thermocouple

The sensitivity factor of strain guage is normally of the order of

(A) 1 to 1.5

102 3128 (B) 1.5 to 2.0 (B)

(C) 0.5 to 1.0

(D) 5 to 10

Resolution of a transducer depends on

(A) Material of the wire

102 3129 (B) Length of wire (C)

(C) Diameter of wire

(D) Excitation Voltage

102 3130 Which of the following analog modulation scheme requires the minimum transmitted power and minimum (C)
channel band-width?

(A) VSB

(B) DSB-SC

(C) SSB

(D) AM

Which of the following is a part of CPU?

(A) Printer

102 3131 (B) Keyboard (C)

(C) ALU

(D) Mouse

Which of following is an example of direct access?

(A) Magnetic Disc

102 3132 (B) Floppy Disc (A)

(C) Program Tape

(D) Plain Disc

The First network is

(A) CNNET

102 3133 (B) NSFNET (D)

(C) TELNET

(D) ARPANET

Computer network which spans a large physical area, connecting several sites of an organization across cities,
countries and continents is known as

(A) WAN
102 3134 (A)
(B) MAN

(C) LAN

(D) VAN

C was developed at Bell Laboratories in 1972 by

(A) Bjarne Stroustrup

102 3135 (B) Dennis Ritchie (B)

(C) Richard Stollman

(D) Von Neumann

strcpy() is a built in function which belongs to

(A) string.h

102 3136 (B) assert.h (A)

(C) stdio.h

(D) math.h

102 3137 What is the right way to initialize an array in C ? (A)

(A) int num[6] = { 2, 4, 12, 5, 45, 5 }

(B) int n{} = { 2, 4, 12, 5, 45, 5 };

(C) int n{6} = { 2, 4, 12 };

(D) int n(6) = { 2, 4, 12, 5, 45, 5 };

Iron which contains little or no carbon is called

(A) HSS

102 3138 (B) Stainless steel (D)

(C) Austenite

(D) Ferrite

The least count value of a Micrometer is

(A) 1 mm

102 3139 (B) 0.1 mm (D)

(C) 0.2 mm

(D) 0.01 mm

Alloy of copper and zinc is

(A) Bronze

102 3140 (B) Steel (D)

(C) Lead

(D) Brass

Galvanizing is done with a layer of

(A) copper

102 3141 (B) zinc (B)

(C) lead

(D) cadmium

Holes in castings is made by

(A) Riser

102 3142 (B) Runner (D)

(C) Sprue

(D) Core

Maximum value of probability of any event to occur is

(A) 1

102 3143 (B) 2 (A)

(C) 5

(D) 0

Which among the following is not a heat treatment process?

(A) Tempering

102 3144 (B) Normalizing (C)

(C) Turning

(D) Annealing

102 3145 Organizations will pay …… to the share holders (D)

(A) Interest

(B) Bonds

(C) Shares

(D) Dividends

The book in which everyday transactions are recorded is

(A) Book keeping

102 3146 (B) Ledger (D)

(C) Balance sheet

(D) Journal

Sound is measured in the unit

(A) Hertz

102 3147 (B) Lux (C)

(C) Decibels

(D) Frequency

Inventory classification according to its value is

(A) VED

102 3148 (B) ABC (B)

(C) FSN

(D) MNG

Which among the following physical quantity is not a vector?

(A) Force

102 3149 (B) Mass (B)

(C) Velocity

(D) Momentum

Unit of Density is

(A) kg/m

102 3150 (B) kg/m2 (C)

(C) kg/m3

(D) kg m