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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING SEMESTER IV • EXAMINATION SUMMER- 2017
Subject Code: 341703 Date: 05 -05 -2017
Subject Name: Control System Components
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Each question carry equal marks (14 marks)
Q.1

Define the following terms. Capacity Plug Stem Rangeability Leakage Differential Pressure Normally Closed
07





Explain control valve characteristics with necessary figure.
07



Q.2

What is actuator? Give classification of actuator and explain hydraulic
actuator.
07





Explain Ball valve in detail with diagram.
07



OR

Write short note on Electro pneumatic actuator.
07



Q.3

State the factors affecting control valve selection and explain any three of them.
07





With neat diagram explain Globe valve.
07



OR
Q.3

List the types of valve noise and explain the method of removal of valve noise
by source treatment
07





Write short note on Electro pneumatic positioner.
07



Q.4

Explain construction of linear and rotary type Potentiometer with figure.
07
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Explain Synchro pair as an error detector.
07



OR
Q.4

Explain working of Potentiometer as an error detector.
07





Explain working principle of any one type stepper motor.
07



Q.5

Explain working of A.C. Servo motor with neat diagram.
07





Define the term Roll, Pitch and Yaw. Explain construction and working principle of Gyroscope.
07



OR
Q.5

Explain armature controlled D.C. motor in detail with diagram.
07





Explain working principle of A.C. Tachogenerator.
07