Q5. With reference to electronic control systems A. Draw a simple block diagram for temperature control B. Describe each component shown in the diagram in (a).
Q4: Comment on the reliability and maintenance requirements of two of the following;
(i) Pneumatic control equipment,
(ii) Electro-mechanical control equipment,
(iii) Electronic control equipment
(b) Discuss the routine attention required and the defects, which may occur in service.
Q1. With reference to control system state, explain in brief:-
a) Two step action. (6)
b) Proportional control. (5)
c) Offset. (5)
Q1. a) What is feedback control? Explain open loop and close loop systems with reference to shipboard applications? (8)
b) What is P, PI and PID control. Make a neat comparison among all these methods of controlling with examples. (8)
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