Government Polytechnic 2010 Diploma in Hospital Management Control System Components - Question Paper

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

Earning:   Approval pending.