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CUSAT CAT 2018 Question Paper Instrumentation

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Page 1

Subject Code : 617 Section Code : -Select- Difficulty: 1

Subject Answer
Q Id Questions
Code Key

Accuracy is defined as

(A) a measure of how often an experimental value can be repeated

617 1501 (B) the closeness of a measured value to the real value (B)

(C) the number of significant figures used in a measurement

(D) None of the above

Germanium and Silicon photosensors have their maximum spectral response in the

(A) IR region

617 1502 (B) UV region (B)

(C) Visible region

(D) X-ray region

Bohr’s model of the atom was able to accurately explain

(A) origin of spectral lines

617 1503 (B) the spin of an electron (A)

(C) the emission of alpha particles

(D) the velocity of light in free space

“Line Spectra” are caused primarily by

(A) the existence of many ground states in an atom

617 1504 (B) the existence of many excited states in an atom (B)

(C) the existence of many atoms in a typical sample

(D) the existence of many electrons in a typical sample

Which types of orbital looks like a figure-8 when drawn?

(A) s-orbital

617 1505 (B) p-orbital (B)

(C) d-orbital

(D) f-orbital

The magnetic quantum number of an orbital defines

(A) the energy level of the orbital

617 1506 (B) the shape of the orbital (C)

(C) the spatial orientation of the orbital

(D) the spin of the electrons in the orbital

617 1507 Which of the following elements has three valence electrons? (B)

(A) Lithium

(B) Boron

(C) Nitrogen

Page 2

(D) Sodium

Why doesn’t pure water conduct electricity well?

(A) Water has low density.

617 1508 (B) Pure water contains very few ions. (B)

(C) The hydrogen bonding in water cause the molecules to move slowly from on place to another.

(D) There are no electrons in water.

A second order system would be critically damped when

(A) damping ratio is less than 1

617 1509 (B) damping ratio is equal to 1 (B)

(C) damping ratio is greater than 1

(D) damping ratio tends to infinity

What represents the departure of the observed reading from the arithmetic mean of the group readings?

(A) Dispersion

617 1510 (B) Deviation (B)

(C) Variance

(D) Median

An ammeter reads 10.7A and the true value of current is 10.54A. Determine the error and correlation for this
instrument.

(A) 0.8, – 0. 8
617 1511 (C)
(B) 0.08, – 0. 8

(C) 0.16, – 0. 16

(D) None of the above

In a second order system, the peak overshoot is 100%. The value of damping factor is

(A) 1

617 1512 (B) 0.707 (C)

(C) 0

(D) 0.5

617 1513 (A) 0.0999 (B)

(B) 0.0909

(C) 0.1

(D) 0.0476

617 1514 The maximum percentage quantization error for a 12-bit analog to digital converter is (B)

(A)

(B)

Page 3

(C)

(D)

The energy stored per unit volume in an electric field (with usual notation) is given by

(A)

(B)
617 1515 (C)

(C)

(D)

Radioactive pyrometers are used for the measurement of temperature in the range of

(A) – 200oC to 500 oC

617 1516 (B) 0oC to 1200 oC (D)

(C) 500oC to 1200 oC

(D) 1200oC to 2500 oC

Doppler effect principles is used in the measurement of

(A) temperature

617 1517 (B) frequency (C)

(C) speed

(D) pressure

Measurement of viscosity involves measuring

(A) fictional force

617 1518 (B) coriolis force (A)

(C) centrifugal force

(D) buoyant force

A sound intensity level of 60 dB corresponds to

(A)

(B)
617 1519 (A)

(C)

(D)

617 1520 The Gunn diode is made from (C)

(A) silicon

Page 4

(B) germanium

(C) gallium arsenide

(D) selenium

The voltage gain of a given common source JFET amplifier depends on its

(A) input impedance

617 1521 (B) amplification factor (D)

(C) dynamic drain resistance

(D) drain and load resistance

Which of the following will serve as a donor impurity in silicon?

(A) Boron

617 1522 (B) Indium (D)

(C) Germanium

(D) Antimony

A difference amplifier is invariably used in input stage of all OPAMPs. This is done basically to provide the
OPAMPs with a very high

(A) CMRR
617 1523 (A)
(B) bandwidth

(C) slew rate

(D) open loop gain

The Fourier transform of a Guassian time pulse is

(A) uniform

617 1524 (B) a pair of impulse (C)

(C) Gaussian

(D) Rayleigh

In an amplitude modulated system, the total power radiated is 600W. The power of the carrier is 400 W. What is
the modulation index?

(A) 1
617 1525 (A)
(B) 0.5

(C) 0.75

(D) None of the above

Which one of the following blocks is not common in both AM and FM receiver?

(A) RF amplifier

617 1526 (B) Mixer (D)

(C) IF amplifier

(D) Slope detector

617 1527 One decibel represents a power ratio of (A)

(A) 1.26:1

(B) 0.084027777777778

Page 5

(C) 0.41736111111111

(D) 0.83402777777778

Frequency shift keying is used mostly in

(A) radio transmission

617 1528 (B) telegraphy (B)

(C) telephony

(D) None of the above

The switching time of LEDs is of the order of

(A) 1s

(B) 1ms
617 1529 (D)
(C)

(D) 1 ns

What is the numerical aperture of an optical fiber when its critical angle is 30o?

(A) 0.5

617 1530 (B) 0.704 (D)

(C) 0.866

(D) 0.2

If the position of an object is plotted vertically on a graph and the time is plotted horizontally, the instantaneous
velocity at a particular time is

(A) the height of the curve at that time
617 1531 (C)
(B) the total length of the curve

(C) the slope of the tangent to the curve at that time

(D) the area under the curve from zero to that time

(A) positive
617 1532 (B)
(B) negative

(C) zero

(D) negative until the object stops and the positive

If two block of different masses slide freely down the same frictionless incline, which one of the following is
true?

(A) They have equal accelerations
617 1533 (A)
(B) They have unequal accelerations, but the forces acting on them are equal

(C) The more massive block reaches the bottom first

(D) The less massive block reaches the bottom first

617 1534 Wire-wound resistors are used only when (C)

(A) precision is essential

(B) low values are required

Page 6

(C) high power rating is necessary

(D) costly equipments are manufactured

617 1535 (A) 100oC (B)

(B) 1000oC

(C) 1200oC

(D) –100oC

As per Curie-Weiss law, the magnetic susceptibility of a material varies as

(A)

(B)
617 1536 (B)

(C)

(D)

When light strikes the p-type semiconductor in a pn junction solar cell,

(A) only free electrons are created

617 1537 (B) positive protons are created (C)

(C) both electrons and holes are created

(D) None of the above

Reverse biasing of a pn junction tends to

(A) increase the potential difference across a junction, thereby encouraging diffusion

617 1538 (B) decrease the potential difference across a junction, thereby encouraging diffusion (D)

(C) decrease the potential difference across a junction, thereby inhibiting diffusion

(D) increase the potential difference across a junction, thereby inhibiting diffusion

A Josephson junction is a junction of

(A) two ordinary conductors

617 1539 (B) an ordinary conductor and a superconductor (D)

(C) an insulator and a superconductor

(D) two superconductors

617 1540 The energy of a photon of visible light is of the order of (C)

(A)

(B)

Page 7

(C)

(D)

Which of the following characteristic X-ray lines results from the least energetic transition?

(A)

(B)
617 1541 (A)

(C)
1

(D)

In the photoelectric effect, the work function depends on the

(A) incident wavelength

617 1542 (B) metal that the light strikes (B)

(C) applied voltage

(D) current

Four unequal resistors are connected in a parallel circuit. Which one of the following statements is correct about
this circuit?

(A) The total resistance is less than the smallest resistor
617 1543 (A)
(B) The total resistance is equal to the average of the resistance of all the resistors

(C) The total resistance is equal to sum of the four resistors

(D) The total resistance is more than the largest resistor

Which one of the following is the correct expression for the Heisenberg uncertainty principle?

(A)

(B)
617 1544 (A)

(C)
1

(D)

Which one of the following mathematical expressions is correct for constructive interference for two beams of
light in the double slit experiment?

(A)

(B)
617 1545 (C)

(C)
1

(D)

Page 8

In a single-slit diffraction experiment, the width of the slit through which light passes is reduced. What happens
to the central bright fringe?

(A) It stays the same
617 1546 (A)
(B) It becomes narrower

(C) It becomes wider

(D) We must know the wavelength of the light to answer

A resistor is connected to an AC power supply. On this circuit, the current

(A) leads the voltage by 90o

617 1547 (B) lags the voltage by 90o (C)

(C) is in phase with the voltage

(D) leads the voltage by 45o

If the number of turns in a rectangular coil of wire that is rotating in a magnetic field is doubled, what happens
to the induced emf, assuming all the other variables remain the same?

(A) It stays the same
617 1548 (D)
(B) It is reduced by a factor of 4

(C) It is reduced by a factor of 2

(D) It is doubled

A transformer is based on a principle of

(A) self inductance

617 1549 (B) direct current (D)

(C) capacitance

(D) mutual inductance

The length of a certain wire is doubled and at the same time its radius is tripled. What is the change in the
resistance of this wire?

(A) It stays the same.
617 1550 (B)
(B) It is reduced by a factor of 4.5

(C) It is doubled

(D) It is tripled

(A)

617 1551 (B) (C)

(C)
1

(D)

617 1552 The Fermi-Dirac occupancy probability, P(E) varies between (A)

(A) 0 and 1

Page 9

(B) 0 and infinity

(C) 1 and infinity

(D) – 1 and 1

The Compton shift is equal to Compton wavelength when the scattering angle is

(A) 0o

617 1553 (B) 90o (B)

(C) 45o

(D) 180o

What is the order of magnitude of paralysis time of GM counter?

(A) 1 second

617 1554 (B) 100 milliseconds (B)

(C) 200 microseconds

(D) 5 minutes

What is taken along with argon gas in GM tube for quenching purpose?

(A) Water

617 1555 (B) Bromine (B)

(C) Oxygen

(D) Common salt

What is the typical operating voltage for a GM counter?

(A) 1 volt

617 1556 (B) 50 volts (C)

(C) 800 volts

(D) 1 millivolt

In Young’s double slit experiment, the two slits act as coherent sources of equal amplitude A and of wavelength
l. In another experiment with the same setup, the two slits are sources of equal amplitude A and wavelength l
but are incoherent. The ratio of the intensity of light at the midpoint of the screen in the first case of that in the
second case is

(A) 0.042361111111111
617 1557 (C)
(B) 1 : 2.

(C) 2 : 1.

(D) √2 : 1.

Resolving power of the prism depends on

(A) base of the prism

617 1558 (B) angle of the prism (A)

(C) Transmission of the prism

(D) angle of minimum deviation

617 1559 In decibels, the gain 100 is given as (D)

(A) 10 dB

Page 10

(B) 20 dB

(C) 30 dB

(D) 40 dB

The effect that explains the splitting of spectral lines by external magnetic field is known as

(A) Stark effect

617 1560 (B) Zeeman effect (B)

(C) Raman effect

(D) Compton effect

617 1561 (A)
(A) 1/T

(B) 1/ T2

(C) 1/T3

(D) 1/T5

Four 20 mfd capacitors are connected in series. Its effective value is

(A) 10 mfd

617 1562 (B) 80 mfd (D)

(C) 40 mfd

(D) 5 mfd

For the materials having PTC (positive temperature coefficient) of resistivity, increase in temperature,

(A) increases the resistivity

617 1563 (B) decreases the resistivity (A)

(C) keeps the resistivity constant

(D) the change in resistivity can’t be determined

In a tuned LC circuit, if ‘L’ is decreased what would happen to the resonant frequency?

(A) remains same

617 1564 (B) decreases (C)

(C) increases

(D) can’t be determined

617 1565 (D)

Page 11

(A) 0 W

(B) 1.0 W

(C) 2.5 W

(D) 3.0 W

Norton’s theorem states that a complex network connected to a load can be replaced with an equivalent
impedance in

(A) series with a current source
617 1566 (C)
(B) parallel with a voltage source

(C) parallel with a current source

(D) series with a voltage source

The dimensional formula for density is

(A) ML–1

617 1567 (B) ML–2 (C)

(C) ML–3

(D) None of the above

617 1568 (A)
(A)

(B)

(C)

(D)

The unit of pressure in SI units is

(A) Pascal

617 1569 (B) Fermi (A)

(C) Joule

(D) Erg

The gain magnitude of 1 kHz, - 40 dB/decade low-pass filter for the 100 kHz noise would be

(A) – 20 dB

617 1570 (B) – 40 dB (D)

(C) – 60 dB

(D) – 80 dB

Page 12

617 1571 (B)

(A) – 1 V to – 2 V

(B) – 2 V to – 4 V

(C) + 1 V to – 2 V

(D) + 2 V to – 4 V

617 1572 (D)

(A) (10 + j 0) V

(B) (100 + j 0) V

(C) (0 + j 100) V

(D) (0 – j 100) V

617 1573 (A)

(A) increase

(B) decrease

(C) remains same

(D) can’t be determined

For static magnetic field, Maxwell's curl equation is given by

(A)

(B)
617 1574 (C)

(C)

(D)

617 1575 (B)

Page 13

(A) 2

(B) 0

(C) 3

(D) 5

The conventional way of expressing vibration is in terms of

(A) Richter scale

617 1576 (B) acceleration due to gravity (B)

(C) speed of sound

(D) atmospheric pressure

Which one of the following is used as a high power microwave oscillator?

(A) Thyratron

617 1577 (B) Magnetron (B)

(C) Klystron

(D) Reflex-klystron

617 1578 (A)

(A) Pure capacitor

(B) Pure inductor

(C) R-L series combination

(D) R-L parallel combination

Which one of the following is associated with Poynting vector?

(A) Power flow in electromagnetic field

617 1579 (B) Flux in magnetic field (A)

(C) Charge in electrostatic field

(D) Current in electrostatic field

A chopper is a

(A) AC – AC converter

617 1580 (B) AC – DC converter (D)

(C) DC – AC converter

(D) DC – DC converter

Page 14

617 1581 The amount of heat required to raise the temperature of a unit mass of a substance by 1oK is (A)

(A) specific heat

(B) thermal capacity

(C) calories

(D) latent heat

A freshly prepared radioactive source of half-life 2 hours emits radiation of intensity which is 64 times the
permissible safe level. The minimum time after which it would be possible to work safely with the source is

(A) 6 hours
617 1582 (B)
(B) 12 hours

(C) 24 hours

(D) 48 hours

The ability of a receiver to separate two signals of closely placed frequencies is known as

(A) Sensitivity

617 1583 (B) S/N Ratio (C)

(C) Selectivity

(D) gain

Compared to a bipolar transistor, the JFET has much higher

(A) voltage gain

617 1584 (B) input resistance (B)

(C) supply voltage

(D) current

Diffusion of free electrons across the junction of an unbiased diode produces

(A) Forward bias

617 1585 (B) reverse bias (D)

(C) breakdown

(D) the depletion layer

617 1586 (A) π/2 (B)
(B) π/3

(C) 2π/3

(D) π/8

If A, B, C and D are vectors such that, C = A x B, and D = B x A, then the angle between the vectors C and D is

(A) 0o

617 1587 (B) 90o (C)

(C) 180o

(D) 270o

Page 15

617 1588 (B)

(A)

(B)

(C)

(D)

617 1589 (B)
(A) 46

(B) 48

(C) 84

(D) 64

617 1590 (A) ‘1’ (A)
(B) ‘0’

(C) X

(D)

Which one of the following is invalid state in an 8-4-2-1 binary coded decimal counter?

(A) 1 0 0 1

617 1591 (B) 1 0 0 0 (D)

(C) 0 0 1 1

(D) 1 1 0 0

617 1592 (C)

(A)

(B)

(C)

Page 16

(D)

Find out the current output of 4-bit DAC based on R-2R ladder network for a digital input of 1011. The ladder
network has resistor values of R = 10kΩ and the reference voltage is 10V.

(A) 0.5 mA
617 1593 (B)
(B) 0.6875 mA

(C) 1.05 mA

(D) 1.6875 mA

The range of signed decimal numbers that can be represented by 6-bits 1’s complement number is

(A) –31 to +31

617 1594 (B) –63 to +63 (A)

(C) –64 to +63

(D) –32 to +31

(A)

617 1595 (B) (D)

(C)

(D)

617 1596 (A) (A)

(B)

(C)

(D)

Decimal 43 in Hexadecimal and BCD number system is respectively

(A) B2 and 0100 011

617 1597 (B) 2B and 0100 0011 (B)

(C) 2B and 0011 0100

(D) B2 and 0100 0100

Page 17

617 1598 The 16-bit 2’s complement form of an integer is 1111 1111 1111 0101. What is its decimal representation? (B)

(A) 10

(B) – 11

(C) – 10

(D) – 7

In a piezoelectric crystal, application of a mechanical stress would produce

(A) plastic deformation of the crystal

617 1599 (B) magnetic dipoles in the crystal (C)

(C) electrical polarization in the crystal

(D) shift in the Fermi level

A memory device has 16 bit address bus. How many locations are there?

(A) 4K

617 1600 (B) 16K (C)

(C) 64K

(D) 128K

A low-pass filter with a cut-off frequency of 30Hz is cascaded with a high-pass filter with a cut-off frequency of
20Hz. The resultant system of filters will function as

(A) an all-pass filter
617 1601 (D)
(B) an all-stop filter

(C) a band-stop (band-reject) filter

(D) a band–pass filter

Drift current in the semiconductor depends upon

(A) only the electric field

617 1602 (B) only the carrier concentration gradient (C)

(C) both the electric field and the carrier concentration

(D) both the electric field and the carrier concentration gradient

617 1603 (A)

(A) Intrinsic semiconductor doped with pentavalent atoms to form n-type semiconductor

(B) Intrinsic semiconductor doped with trivalent atoms to form n-type emiconductor

(C) Intrinsic semiconductor doped with pentavalent atoms to form p-type semiconductor

(D) Intrinsic semiconductor doped with trivalent atoms to form p-type semiconductor

617 1604 In bipolar transistors, dc current gain is (B)

(A)

Page 18

(B)

(C)

(D)

The concentration of minority carriers in an extrinsic semiconductor under equilibrium is

(A) Directly proportional to doping concentration

617 1605 (B) Inversely proportional to the doping concentration (A)

(C) Directly proportional to the intrinsic concentration

(D) Inversely proportional to the intrinsic concentration

The bandgap of Silicon at room temperature is

(A) 1.3 eV

617 1606 (B) 0.7 eV (C)

(C) 1.1 eV

(D) 1.4 eV

617 1607 (B)

(A) 1

(B) –1

(C) 2

(D) –2

Which of the following amplifiers offers high common mode rejection?

(A) non-inverting amplifier

617 1608 (B) differential amplifier (D)

(C) instrumentation amplifier

(D) isolation amplifier

617 1609 (A)

Page 19

(A) 20 kΩ

(B) 30 kΩ

(C) 60 kΩ

(D) 90 kΩ

617 1610 (A) (B)

(B)

(C)

(D)

617 1611 (A)

(A) low-pass filter

(B) high-pass filter

(C) band-pass filter

(D) band reject filter

A fan motor is classified into which of the following types?

(A) ac induction motor

617 1612 (B) dc motor (A)

(C) stepper motor

(D) servomotor

617 1613 Identify a diac symbol (D)

Page 20

(A)

(B)

(C)

(D)

617 1614 (C)

(A) 20 kΩ

(B) 30 kΩ

(C) 40 kΩ

(D) 50 kΩ

Gain ‘0.707’ is given in decibels as

(A) 3 dB

617 1615 (B) –3 dB (B)

(C) 0 dB

(D) 0.707 dB

The phase shift provided by each RC network in a phase shift oscillator is

(A) 0o

617 1616 (B) 30o (C)

(C) 60o

(D) 90o

617 1617 (C)

Page 21

(A) 2.8 and 36

(B) 7 and 119

(C) 2.8 and 32

(D) 7 and 80

617 1618 (B)

(A) voltage to current converter

(B) current to voltage converter

(C) non-inverting amplifier

(D) unity gain amplifier

The gain of the amplifier used in inverting mode in the phase shift oscillator should be at least

(A) 1

617 1619 (B) 2 (D)

(C) 10

(D) 29

A diode that has a negative resistance characteristics is the

(A) Schottky diode

617 1620 (B) tunnel diode (B)

(C) laser diode

(D) hot-carrier diode

In 8085 microprocessor, how are the carry (C), and zero (Z) flags of flag register affected after performing the
addition of 55H and 66H?

(A) C = 1, Z = 1
617 1621 (D)
(B) C = 1, Z = 0

(C) C = 0, Z = 1

(D) C = 0, Z = 0

617 1622 (A)

(A) 32H

Page 22

(B) 00H

(C) FFH

(D) CDH

In ‘DMA write’ operation, the data transfer takes place

(A) from memory to memory

617 1623 (B) from memory to output device (C)

(C) from input device to memory

(D) from input device to output device

In ‘C’ programming, which one of the following ‘for’ loop is not correct?

(A)

(B)
617 1624 (B)

(C)

(D)

In an 8085 microprocessor, the contents of the accumulator and the carry flag are A7H and ‘0’, respectively. If
the instruction RLC is executed, then the contents of the accumulator and the carry flag, respectively, will be

(A) 4EH and ‘0’
617 1625 (D)
(B) 4EH and ‘1’

(C) 4FH and ‘0’

(D) 4FH and ‘1’

Basic function of a transducer is

(A) to convert energy from one form to another form

617 1626 (B) to amplify the signal (A)

(C) to process the signal

(D) to display the signal

Which of the following sensors is used in displacement measurements?

(A) RTD

617 1627 (B) LVDT (B)

(C) Piezoelectric sensor

(D) Potentiometer

Anti-aliasing filter is a

(A) low-pass filter

617 1628 (B) high-pass filter (A)

(C) band-pass filter

(D) notch filter

617 1629 (A)

Page 23

(A)

(B)

(C)

(D)

(A)
617 1630 (B)

(B)

(C)

(D)

The torque in a rotating shaft is measured using strain gauges. The strain gauges must be positioned on the shaft
such that the axes of the strain gauges with respect to the axis of the shaft are at

(A) 0o
617 1631 (C)
(B) 30o

(C) 45o

(D) 90o

Load cells are used for the measurement of

(A) weight

617 1632 (B) velocity (A)

(C) stress

(D) acceleration

In infrared spectroscopy, which one of the following frequency ranges is known as finger print region?

(A) 4000 - 2000 cm–1

617 1633 (B) 2000 -1450 cm–1 (C)

(C) 1450 - 500 cm–1

(D) 500 - 200 cm–1

Page 24

617 1634 Which one of the following is a particle accelerator? (C)

(A) Nuclear reactor

(B) Geiger-Miller counter

(C) Cyclotron

(D) None of the above

An alpha particle and a deutron projected with equal kinetic energies describe circular paths of radii r1 and r2
respectively in a uniform magnetic field. The ratio r1/r2 is

(A) 1

(B) 2
617 1635 (C) (D)

(D)

The correct full-wave rectifier circuit is

(A)

(B)

617 1636 (C)

(C)

(D)

The differential amplifier has +100 mV applied to non-inverting end and +250 mV applied at inverting end. The
output is 1.5 V. The gain of the amplifier is

(A) 10
617 1637 (A)
(B) 4.29

(C) 0.6

(D) 15

617 1638 Which of the following pulse modulation systems is analog? (C)

(A) PCM

(B) Differential PCM

(C) PWM

(D) Delta

Page 25

If the output of a voltage regulator varies from 20 V to 19.8 V when the line voltage varies over its specified
range, the source regulation is

(A) 0
617 1639 (B)
(B) 0.01

(C) 0.02

(D) 0.05

A phase splitter produces two output voltages that are

(A) equal in phase

617 1640 (B) unequal in amplitude (C)

(C) opposite in phase

(D) very small

When a crowbar is used with a power supply, the supply needs to have a fuse or

(A) adequate trigger current

617 1641 (B) holding current (D)

(C) filtering

(D) current limiting

Which of the following statements is correct?

(A) BJT and MOSFET are current controlled devices

617 1642 (B) BJT is voltage controlled and MOSFET is current controlled devices (D)

(C) BJT and MOSFET are voltage controlled devices

(D) BJT is current controlled and MOSFET is voltage controlled devices

The Q factor of a coil at the resonant frequency 1.5 MHz of an RLC series circuit is 150. The bandwidth is

(A) 225 MHz

617 1643 (B) 1.06 MHz (C)

(C) 10 kHz

(D) 1 kHz

Which of the following temperature sensors generate current output proportional to temperature?

(A) Pt-100

617 1644 (B) J-type thermocouple (C)

(C) AD590

(D) LM335

617 1645 (B)

(A) 0

(B) 1

(C) 2

(D) 3

Page 26

The Dirac delta function δ(t) is defined as

(A)

(B)

617 1646 (D)
(C)

(D)

The rise time of a second-order underdamped system is the time taken by the output to rise

(A) from 10% to 90% of its final steady-state value

617 1647 (B) from 0% to 100% of its final steady-state value (B)

(C) from 5% to 95% of its final steady-state value

(D) from 0% to 50% of its final steady-state value

The Laplace Transform of impulse function is

(A) zero

617 1648 (B) one (B)

(C) 1/s

(D) None of the above

(A)

617 1649 (B)
(B)

(C)

(D)

617 1650 The transfer function is defined as the Laplace Transform of the response for a (B)

(A) step input

(B) impulse input

(C) ramp input

Page 27

(D) parabolic input

Document Details

Board / OrgCochin University
ExamCUSAT CAT
TypeQuestion Paper
Pages27
Updated30 Apr 2026

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