Dynamic Response
Dynamic Response

Dynamic Response

Lead Author(s): Saylor Academy

Source: Saylor

Student Price: FREE

A question pack on dynamic systems and controls.

This content is licensed under the Creative Commons Attribution 3.0 Unported License.

Dynamic Response Q17

As the damping ratio ______________, the percentage overshoot ______________.

A

Increases, decreases

B

Increases, increases

C

Increases, remains unchanged

D

reRmains unchanged, increases

Dynamic Response Q18

Damping ratio generally varies from ______________.

A

0 to 5

B

0 to 1

C

1 to 10

D

0 to 0.1

Dynamic Response Q16

Which of the following are common signals for dynamic systems?

A

Impulse

B

Step

C

Both A and B

D

None of the above

Dynamic Response Q15

Which of the following inputs are generally used as test inputs to dynamic systems?

A

Ramp input

B

Step input

C

Constant input

D

None of the above

Dynamic Response Q14

Which of the following regarding input variables of dynamic systems is false?

A

Input variables originate outside the system.

B

Input variables originate inside the system.

C

Input variables are not affected by what happens in a system.

D

All of the above

Dynamic Response Q13

Which of the following regarding output variables of dynamic systems is true?

A

Output variables are not influenced by input variables.

B

Output variables do not regulate the system.

C

Output variables do not monitor the system.

D

Output variables are influenced by input variables.

Dynamic Response Q12

A system is less stable if the gain margin is close to ______________.

A

0

B

1

C

-1

D

2

Dynamic Response Q11

An increase of frequency by a factor of ______________ is called Decade.

A

2

B

4

C

8

D

10

Dynamic Response Q9

Gain margin is just the amount of gain that you can add to move the zero db crossing to occur at the same frequency as the ______________ degrees crossing.

A

0

B

180

C

360

D

-180

Dynamic Response Q8

The percent overshoot is generally measured for ______________ peak.

A

First

B

Second

C

Third

D

Fourth

Dynamic Response Q7

Which of the following are measures of relative stability of systems?

A

Phase margin

B

Gain margin

C

Both A and B

D

None of the above

Dynamic Response Q6

As the damping ratio reaches around ______________ the overshoot cannot be observed.

A

0.2

B

0.4

C

0.6

D

0.8

Dynamic Response Q5

Which of the following about deadbeat overshoot is true?

A

Overshoot is within plus and minus 1 percent.

B

Overshoot is within plus and minus 2 percent.

C

Overshoot is within plus and minus 3 percent.

D

Overshoot is within plus and minus 4 percent.

Dynamic Response Q4

Which of the following about deadbeat response is true?

A

Response is fast.

B

There is a short rise time.

C

There is a short settling time.

D

All of the above

Dynamic Response Q3

Which of the following is a primary objective of lag compensation at low frequencies?

A

Maintain gain

B

Increase gain

C

Decrease gain

D

None of the above

Dynamic Response Q2

Which of the following is a primary objective of lag‑lead compensation at low frequencies?

A

Increase phase margin

B

Decrease gain

C

Maintain phase margin

D

None of the above

Dynamic Response Q1

Which of the following occurs in lag‑lead compensation?

A

Bandwidth increases

B

Bandwidth decreases

C

Bandwidth is constant

D

None of the above

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