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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Electronics and Instrumentation (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '121/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
Question64:-An equal percentage valve has a maximum flow of 100 em3/s and a
minimum flow of 4cm3 /s. If the full travel is 4cm, find the flow at 2cm opening
A:-40 em3 /S
B:-10cms /s
C:-50cms /s
D:-20cm3 /S
Correct Answer:- Option-D
Question65:-Valve positioners are mandatory in the following circumstances
(i) When accurate valve position is required
(ii) To speed up the response of a valve
(iii) Where a pressure boost is required to give the necessary actuator force
(iv) All the above
A:-(i) and (ii)
B:-(i) and (iii)
C:-(ii) and (iii)
D:-(iv)
Correct Answer:- Option-D
Question66:-Which among the following is the tendency of a process to adopt
specific value of the controlled variable for nominal load with no control operations?
A:-Setpoint tracking
B:-Self regulation
C:-Disturbance rejection
D:-Integrating
Correct Answer:- Option-B
Question67:-lf a single process output is controlled by incorporating the actions of
several manipulated variables, which produce the same effect on the overall
system is known as
A:-Adaptive control
B:-Inferential control
C:-Cascade control
D:-Splitrange control
Correct Answer:- Option-D
Question68:-In a feed forward control loop, process transfer function is given as
© =< and disturbance is expressed as c,is)=*=*. Find the transfer function c.s of
the feedforward controller
പും
B:-3e-035
റോം
D 2736035