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Mechanical Engineering Objective Questions { Instrumentation and Control }



92. The operating characteristic which inherently assists the establishment of equilibrium is called :
A.Corrective action
B.Self regulation
C.Automatic regulation
D.Proportional control action

93. The quantity or condition of the controlled system which is directly, measured or controlled :
A.Set point
B.Deviation
C.Controlled variable
D.Command signal

94. 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 :
A.Throttling range
B.Disturbance
C.Proportional band
D.Response

95. 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 :
A.Throttling
B.Proportional band.
C.Controller band
D.Settling time

96. 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 :
A.Floating controller action
B.Proportional-position controller action
C.Proportional-speed floating controller action
D.Two-position controller action

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 :
A.Floating controller action
B.Proportional-position controller action
C.Proportional-speed floating controller action
D.Two-position controller action

98. The stability, accuracy, and speed of response of a control system are determined by analysing :
A.Its mathematical model
B.Steady-state and transient response.
C.Steady-state response
D.Transient response

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