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In air-to-close pneumatic valve, if the air supply above the diaphragm is lost, the
valve will

A) fail open B) fail close

C) either open or close D) none of the above

An equal percentage valve has maximum flow of 25 cm3/s and minimum of 1 cm/s.
If full travel is 2 cm, find the flow at 1 cm opening

A) 12.5 cm/s B) 5cm3/s
C) 25 cm/s D) 50 cm3/s
Control system which has more than one controller is

A) feedback B) cascade
C) ratio D) split range

Control algorithm with one controlled output and more than one manipulated variable
is

A) ratio control B) split range control

C) cascade D) feedback

With increase in proportional gain speed of control system response will
A) remains the same B) decrease

C) increases D) oscillate

PLC can be programmed using

A) FBD B) Ladder logic

C) Structured text D) All of the above
Green colour indicates which wire type in LABVIEW ?

A) Numeral B) Boolean

C) String D) Hardware resource

Which of the following is not true regarding an ideal opamp ?
A) Infinite gain

B) Infinite output impedance

C) Null voltage offset

D) None of the above

Symbol for continuous pneumatic symbol in P and | diagram.
இ எதி ‏مب‎ B) ‏سس ےر‎
6) ത 0) ‏سو لہ‎

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