Questions and answers for exam Preparation

MCQs

Total Questions : 107 | Page 10 of 11 pages

Question 91. . An operation which, in the presence of a disturbing influence, tends to reduce the difference between the actual state of a system and an arbitrarily varied desired state and which does so on the basis of this difference, is called :

Automatic control
Feedback control
Open feed back control
Closed feed back control

Discuss Question

Answer: Option D. -> Closed feed back control

Question 92. . The operating characteristic which inherently assists the establishment of equilibrium is called :

Corrective action
Self regulation
Automatic regulation
Proportional control action

Discuss Question

Answer: Option B. -> Self regulation

Question 93. . The quantity or condition of the controlled system which is directly, measured or controlled :

Set point
Deviation
Controlled variable
Command signal

Discuss Question

Answer: Option C. -> Controlled variable

Question 94. . The range of scale values through which the controlled variable must pass in order that the final control element be moved through its entire range :

Throttling
Proportional band.
Controller band
Settling time

Discuss Question

Answer: Option B. -> Proportional band.

Question 95. . The stability, accuracy, and speed of response of a control system are determined by analysing :

Its mathematical model
Steady-state and transient response.
Steady-state response
Transient response

Discuss Question

Answer: Option B. -> Steady-state and transient response.

Question 96. . The range of values through which the variable must change to cause the fmal control element to move from one extreme position to the other :

Throttling range
Disturbance
Proportional band
Response

Discuss Question

Answer: Option A. -> Throttling range

Question 97. . The controller action in which there is continuous linear relation between the position of the final control element and the value of the controlled variable :

Floating controller action
Proportional-position controller action
Proportional-speed floating controller action
Two-position controller action

Discuss Question

Answer: Option B. -> Proportional-position controller action

Question 98. . A controller action in which there is a predetermined relation between the values of the controlled variable and the rate of motion of a final control element :