UPSC Senior Scientific Assistant Electronics Question Paper on Control Systems

UPSC Senior Scientific Assistant Electronics Model Paper

If You are appearing in UPSC exam for Senior Scientific Assistant (Electronics) post in Directorate General of Aeronautical Quality Assurance (DGAQA), Department of Defence, Ministry of Defence which will be conducting on 29th Jan 2022 at various exam centers and searching the UPSC Senior Scientific Assistant (Electronics) Previous year papers. Then you are at right place. Here we are providing the UPsC Senior Scientific Assistant (Electronics) Model paper on Control Systems

Solapur University M.Sc Electronic Science Sem I Paper March 2019

Solapur University M.Sc Electronic Science Previous Year Question Paper 2019  (March-April) on Control Systems

M.Sc.(Semester-II)(CBCS) Examination March/April – 2019

Electronic Science

CONTROL SYSTEMS

1 Transfer function of a system is defined as the ratio of output to input in _______

a)      Z – transformer

b)      Fourier transform

c)       Laplace transform

d)      All of these

2 Signal flow graphs:

a)      They apply to linear systems

b)      The equation obtained may not be in the form of cause or correct

c)       Arrows are not important in the graph

d)      They cannot be converted back to block diagram

3 With regard to the filtering capacity the lead compensator and lag compensator are respectively:

a)      Low pass and high pass filter

b)      High pass and low pass filter

c)       Both high pass filter

d)      Both low pass filter

4 If a pole is located at s=-5 in left- hand plane(LHP) how will it be represented in Laplace domain?

a)      1/s+5

b)       1/s-5

c)       s/s+5

d)      s/s-5

5 Which condition is used to verify the existence of a particular point on the root locus?

a)      Amplitude

b)      Frequency

c)       Magnitude

d)      Angle

6 Which time is responsible for introducing an error in the temperature regulation of applications associated with ON-OFF controllers?

a)      Rise time

b)      Dead time

c)       Switching time

d)      Decav time

7 Root locus specifies the movement of closed loop poles especially when the gain of system_______.

a)      Remains consonant

b)      Exhibit variations

c)       Gives zero feedback

d)      Gives infinite poles

8 Product of gains of all branches in path is called__________.

a)      Path

b)      path gain

c)       loop gain

d)      forward path

9 Gain margin is expressed in _______.

a)      Decade

b)       Meters

c)       Hertz

d)       decibels

10 Any root of factors of numerator that are common to characteristic equation in denominator of transfer function is called___________.

a)      Zeros

b)      Poles

c)       state

d)      d) ones

11 The on-off controller is a______system.

a)      linear

b)      non-linear

c)       digital

d)      discontinuous

12 Loops that don’t have any nodes in common is called_________.

a)      touching loop

b)      non touching loop

c)       zero loop

d)      common loop

13 With feedback __________ increases.

a)      system stability

b)      sensitivity

c)       gain

d)      effects of distribing signals

Data Collected By – J. Jayalakshmi
Published On – 4th Dec 2021

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