Control System MCQs

Question 1

Zeros are the complex frequencies of a transfer function where the response becomes

Accepted Answer

zero

Answer

infinite

Answer

oscillatory

Answer

exponentially decaying

Question 2

Which of the following is an open loop Capacitance start system?

Accepted Answer

field controlled dc motor

Answer

Ward Leonard control

Answer

Amplidyne.

Answer

armature controlled dc motor

Question 3

In force-current analogy, mass is analogous to

Accepted Answer

capacitance

Answer

inductance

Answer

current

Answer

voltage

Question 4

In the force-current analogy, indicate the true statement

Accepted Answer

internal system changes are reciprocal of capacitance

Answer

Velocity is analogous to current

Answer

Spring stiffness is analogous to

Answer

Mass is analogous to reciprocal of inductance

Question 5

In force voltage analogy, indicate the correct combination (i) voltage is analogous to force (ii) resistance is analogous to viscous frictional coefficient

Accepted Answer

true, true

Answer

false, false

Answer

true, false

Answer

false, true

Question 6

An automatic washing machine is

Accepted Answer

an open loop control system

Answer

a single feedback control system

Answer

a multi-feedback control system

Answer

none of the above

Question 7

The transfer function of a system which can be used to study is

Accepted Answer

transient and steady state behaviours

Answer

transient behavior

Answer

steady state behavior

Answer

none of these

Question 8

Transfer function is defined for

Accepted Answer

linear and time invariant system

Answer

linear and time variant system

Answer

nonlinear and time variant system

Answer

nonlinear and time invariant system G(s) R(s)

Question 9

The relation defined for a

Accepted Answer

single variable control system

Answer

two variable control system

Answer

three variable control system

Answer

multi-variable control system