Control System Components Government Polytechnic 2010 Question Paper

Exam Board: Government Polytechnic
Question Paper Course: Diploma Hospital Management
Subject of Question Paper: Control System Components
Time allotted: 3 Hours
Max. Marks: 70
Year of the exam paper: 2010
Question Paper Format: Text

Q.1 (a) Describe butterfly valve with neat sketches. 07
(b) Define the terms: (1) Valve capacity (2) Plug (3) Leakage 07
Q.2
(a) With the help of graph, explain control valve characteristics. 07
(b) Explain electro pneumatic valve actuator. 07
OR
(b) List Pneumatic valve actuators and explain any one of them. 07
Q.3
(a) Discuss the criteria for selection of control valve on the basis of it's
application.
07
(b) Define valve noise and explain method of removal of valve noise. 07
OR
Q.3 (a) Explain construction of rotary type potentiometer. 07
(b) Explain potentiometer as an error detector. 07
Q.4
(a) Describe principle and construction of Synchro transmitter. 07
(b) Explain Synchro pair as an error detector. 07
OR
Q. 4 (a) Explain principle and working of A.C. Tacho generator. 07
(b) Explain principle and working of D.C. Tacho generator. 07
Q.5
(a) With the help of schematic diagram, explain working of A.C.
servomotor.
07
(b) Discuss torque-speed characteristics of D.C. servomotor. 07
OR
Q.5 (a) What do you mean by stepper motor? Explain construction and
working principle of variable reluctance type stepper motor.
07
(b) Explain principle of operation and construction of Gyroscope. 07 

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