VITAMINS AND COENZYMES QUIZ

Which of the following is open loop system?

Respiratory system of animal

Wind screen wiper

Aqualing

System for controlling antirocket missiles

TRUE ANSWER : ?
YOUR ANSWER : ?

The addition of a pole to the open loop transfer function pulls the root locus

To the right

None of these

Towards right or left depending on the position of new pole

To the left and making the system more stable

TRUE ANSWER : ?
YOUR ANSWER : ?

In a two phasor servomotor, the direction of rotation of the rotating field depends on

Both magnitude and phase relationship of voltages applied to the two stator windings

Magnitudes of voltages applied to the two stator windings

Phase relation of voltages applied to the two stator windings

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The relative stability of a system is given by

Both phase and gain margins

Phase margin alone

Gain margin alone

Either (a) or (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

The effect of adding poles and zeros can be determined quickly by

Root locus

Nyquist plot

Bode plot

Nichols chart

TRUE ANSWER : ?
YOUR ANSWER : ?

Bandwidth is proportional to speed of response.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

If poles lie in first quadrant, damping ratio is

1

More than 1

Zero

less than 1

TRUE ANSWER : ?
YOUR ANSWER : ?

DC tachogenerator can be used in

Position control system

Speed control system

Neither A nor B

Both A and B

TRUE ANSWER : ?
YOUR ANSWER : ?

Temperature is analogous to

None of these

Voltage

Charge

Flux

TRUE ANSWER : ?
YOUR ANSWER : ?

In force current analogy, displacement x is analogous to

Electrostatic energy

Charge

Magnetic flux linkage

Voltage

TRUE ANSWER : ?
YOUR ANSWER : ?