SLIET SET 2025 Question Paper with Answer Key M.Tech Welding & Fabrication SET-VII

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SLIET SET 2025
Question Paper ·
M.Tech Welding &
Fabrication SET-VII
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SLIET SET 2025 Question Paper M.Tech Welding & Fabrication SET-VII
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SLIET SET 2025 Question Paper with Answer Key M.Tech Welding & Fabrication SET-VII

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PaperCode: 3002 Paper Name: 3002-M.TECH (SET-VII) WELDING AND FAB(PG-WLF) Set Name: Original

Q-1 Weight of the body in air is 800 N and if the weight of the body in water is 500 N. What will be the approx. volume in
m³ of the body? (Neglect the density of air.)

A 0.030 B 0.30

C 0.013 D 0.130
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Q-2
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A 1.33
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C 1.66 D 1.00

Q-3 A piston cylinder contains air at 600 kPa, 290 K and a volume of 0.01 m³. A constant pressure process gives 54 kJ of
work output. Find the final volume of the air.

A 0.01 m³ B 0.08 m³

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C 0.1 m³ D 0.8 m³

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Q-4 A two-dimensional fluid element rotates like a rigid body. At a point within the element, the pressure is 1 unit. Radius
of the Mohr’s circle, characterizing the state at that point, is

A 2 unit B 1 unit

C 0.5 unit D 0 unit

Q-5 A solid circular shaft of 60 mm diameter transmits a torque of 1600Nm. The value of maximum shear stress developed
is
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A 37.72 MPa
m B 47.72 MPa
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C
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57.72 MPa D 67.72 MPa
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a Q-6 For a simply supported beam on two end supports, the bending moment is maximum

A always at mid span B usually on the supports

C where there is no shear force D where the deflection is maximum

Q-7 A metallic rod of 500 mm length and 50 mm diameter, when subjected to a tensile force of 100 KN at the ends,
experiences an increase in its length by 0.5 mm and a reduction in its diameter by 0.015 mm. The poisson’s ratio of
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the rod material is

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A 0.2
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B 0.3
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C 0.4
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SLIET SET 2025 Question Paper with Answer Key M.Tech Welding & Fabrication SET-VII

Q-8 The number of degrees of freedom of a planar linkage with 10 links and 12 simple revolute joints is

A 1 B 2

C 3 D 4

Q-9 There are two points P and Q on a planar rigid body. The relative velocity between the two points

A should always be along PQ B should always be perpendicular to PQ

C can be oriented along any direction D should be along QP when the body undergoes
pure translation

Q-10 In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is
known as

A Critical damping ratio B Damping factor

C Logarithmic decrement D Magnification factor

Q-11 The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain
complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is

A 1 B 2

C 3 D 4

Q-12 The angle between the direction of the follower motion and a normal to the pitch curve is called

A pitch angle B prime angle

C base angle D pressure angle

Q-13

A 6x² +10xy + 3xyz B

C 6x +10xy + 3xyz² D 6x +5xy + 3xyz²

Q-14 Laplace transform of δ (t-a) is

A B

C D

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SLIET SET 2025 Question Paper with Answer Key M.Tech Welding & Fabrication SET-VII

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a Q-15 ag

A 3, 2 B 2, 3

C 3, not defined D 3, 3

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The point through which the whole weight of the body acts is called _____________
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A Inertial point

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B Centre of gravity

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C Centroid

l as D Central point

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Q-17 If a box is lying on the floor of a wagon with a coefficient of friction 0.3, what is the maximum acceleration of the
wagon for which the box would remain stationary? (Let g = 10 m/s²)

A 0.6 m/s² B 6 m/s²

C 0.3 m/s² D 3 m/s²

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Q-18
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What is the formula of theorem of perpendicular axis? (I represent Moment of Inertia)

A
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Q-19 How do we calculate force in a variable mass constant velocity system?

A F = v(dm/dt) B F = mv

C F = ma D F = m/t

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The hydraulic ram is a device used
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Q-20

A
as to accelerate water flow B
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to lift water without electric motor

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C for lifting heavy loads D all of the above

Q-21 When is orifice called ‘large orifice’?

A If the head of liquid is less than 5 times B If the head of liquid is less than 2.5 times the
the depth of orifice depth of orifice

C If the head of liquid is less than 4 times the D If the head of liquid is less than 1.5 times the
depth of orifice
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depth of orifice
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Which of the following cannot

Q-22 s
be the
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Sample Papers, Notes of a fluidvisit
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A 0 SLIET SET 2025 B
1.013 bar
Question Paper with Answer Key M.Tech Welding & Fabrication SET-VII
C – 1 bar D 200 bar

Q-23 A van der Waals bond is a _________ bond.

A Primary B Secondary

C Tertiary D Quaternary

Q-24 In a crystal, if a fault exists in the arrangement at a point, it is called as _________

A space defect B primary defect

C single defect D point defect

Q-25 Iron possesses BCC crystal structure above...(in degree centigrade)

A 153 B 768

C 910 D 1410

Q-26 Which of the following restricts the flow of electrical energy?

A Superconductors B Passive dielectrics

C Polar molecule D Active dielectric

Q-27 In order to generate energy in Sahara Desert where water is available in significantly low amount. Which of the
following system can we employ in such a place?

A Gas Turbine B Tidal Engine

C Steam Turbine D Gas & Steam Engine

Q-28 Heat transfer takes place according to which of the following law?

A Newton’s second law of motion B First law of thermodynamics

C Newton’s law of cooling D Second law of thermodynamics

Q-29 In M/M/S: N/FIFO the following does not apply

A Poisson arrival B Limited service

C Exponential service D Single server

Q-30 In network diagram, events are commonly represented by .........................

A Arrows B Nodes

C Triangles D None of these
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SLIET SET 2025 Question Paper with Answer Key M.Tech Welding & Fabrication SET-VII

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a Q-31 Angle between the rake face and plane perpendicular to rake face is known as:
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A Side rake angle B Side relief angle

C End relief angle D Back rake angle

Q-32 During the cutting of ………, discontinuous chips are formed.

A Brittle Material B Ductile material
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Any material at high cutting speeds D Any material with a heavy coolant
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Q-33 In a single pass rolling process using 410 mm diameter steel rollers, a strip of width 140 mm and thickness 8 mm

a
undergoes 10% reduction of thickness. The angle of bite in radians is

A 0.006 B 0.031

C 0.062 D 0.600

Q-34 When using low cutting speeds and negative rake angle tool to cut soft metals, the result is often

A a long and continuous chip B
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discontinuous chip

C a built-up edge

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D
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s e Correct Answer : C

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Q-35
machine?
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What are the preparatory functions for metric units and feed rate in mm/min to machine the work on CNC milling

A G20 G98 B G21 G98

C G21 G94 D G20 G94

Q-36 In the horizontal axis of a control chart displays______
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A Sample number B Time

C
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Neither sample number or time D
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Either sample number or time
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a Q-37 What is the abscissa of the Operating Characteristic (OC) curve?

A Proportion of lots accepted B Proportion of lots rejected

C Acceptance number D Fraction defectives

Q-38 Which of the following is not a six-sigma belt level ranking?

A Pink Belt
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B Green Belt
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C Black Belt
. c D Yellow Belt
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Q-39 Find the number of observations required SLIET SETconfidence
for 95% 2025 Question Paper
level andwith Answer
at an Key M.Tech
accuracy of ±2% Welding & Fabrication
when the percentageSET-VII
of
occurrence of activity is 60%?

A 2400 B 2404

C 2440 D 2024

Q-40 How is the maximum heart rate (MHR) roughly calculated?

A MHR = 220 + age of the people B MHR = 220 – age of the people

C MHR = 210 – age of the people D MHR = 210 + age of the people

Q-41 Risers are designed to take care of

A Liquid shrinkage only B Liquid & solidification shrinkage

C Thermal shrinkage D Solidification shrinkage only

Q-42 Which of the following is true about resistance welding?

A Electrodes of higher resistivity is used B Electrodes of higher resistivity is used for
for lower resistive piece higher resistive piece

C Electrodes of lower resistivity is used for D Electrodes of lower resistivity is used for
lower resistive piece higher resistive piece

Q-43 Which of the following is a step of powder metallurgy?

A The production of metal powder B The consolidation and fusing of the powder
into a solid metal

C The compaction and shaping of the powder D All of the mentioned

Q-44 Which is not an element of Computer Integrated Manufacturing?

A Marketing B Mining

C Product design D Warehousing

Q-45 Which of the following materials can be machined using Electro discharge machining?

A Heat resistant alloys B Super alloys

C Carbides D All of the mentioned

Q-46 What is the limit of surface area that is to be machined using USM?

A <100 mm² B <500 mm²

C <1000 mm² D <1500 mm²

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SLIET SET 2025 Question Paper with Answer Key M.Tech Welding & Fabrication SET-VII

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Q-47 Vacuum is the machining medium for ________

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A LBM B WJM

C EBM D None of the mentioned

Q-48 What is the function of the flow control valve in pneumatic system?

A Controls the direction of flow of air B The moisture is separated and removed

C It converts the mechanical energy to D It controls the rate of flow of
hydraulic energy compressed air
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Q-49

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Which among the following are not the applications of Pneumatic system?

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A

C
Aerospace

Mining ag B

D
Packing systems

Agriculture types of equipment

Q-50 Prismatic model comes under which type of CAD?

A 2 B 2.5

C 3 D None of these

m Correct Answer : B

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Q-51
the principal amount?
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An amount is invested at 10% per annum compound interest for 2 years, and the interest earned is Rs. 840. What is
a
A Rs. 3500 ag B Rs. 4500

C Rs. 4000 D Rs. 5000

Q-52 In covering a distance of 30 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less
than B. A's speed is:

5 km/h
m
A B 7 km/h

C 9 km/h
m D 10 km/h
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Q-53 Fill the blank in the middle of the following series.
a
a A
SCD, TEF, UGH, ____, WKL

CMN B UJI

C VIJ D IJT

Q-54 The Chandrayaan 3 mission’s rover is known as

A PSLV

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B Pragyaan
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C Dhruv
. c D Vikram
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Q-55 We were very tired, So we _______ early.SLIET SET 2025 Question Paper with Answer Key M.Tech Welding & Fabrication SET-VII

A Leave B Leaving

C Left D Lost

Q-56

A If λ=5, then system has unique solution B If λ=5, then system has infinitely many
solutions

C If λ=5, then system has no solution D System is inconsistence for any value of λ

Q-57

A 0 B 1

C -2 D 2

Q-58

A 2.40 B 2.33

C 2.12 D 2.50

Q-59

A 31/3 B 35/3

C 37/3 D 38/3

Q-60

A B

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Question Paper with Answer Key M.Tech Welding & Fabrication SET-VII

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