ME CE

 

1	Obtain the mathematical equation and sketch the time response of a second order control system for a unit step input (for damping factor = ζ < 1).
2	Functioning of boiler feed water control
3	Draw and explain the block diagram of PLC. Also state advantages and disadvantages of PLC system.
4	Working of Directional Control Valve
5	Draw and explain detail block diagram of fuzzy logic controller.
6	Explain the construction, working and application of a hydraulic intensifier.
7	What are open loop control systems and closed loop control systems? Compare open loop control system with closed loop control system. Write down major advantages and disadvantages of open loop control systems.
8	Sketch and explain pneumatic nozzle-flapper amplifier.
9	If the transfer function of a system is known, the output or response can be studied for various forms of inputs with a view toward understanding the nature of the system.’ Explain this statement with suitable example.
10	Write down the major three steps to derive the transfer function of a given physical system. Derive expression for closed loop transfer function.
11	Describe the working of a field controlled DC motor and derive its transfer function.
12	Describe force-voltage analogy and force- current analogy as applied to electrical analogies for mechanical systems.
13	Describe an on-off control action type automatic industrial controller with differential gap. Write down equation of the system, and expression for the transfer function. Sketch block diagram of an on-off control action type automatic industrial controller with differential gap.
14	Compare between pneumatic control system and hydraulic control system
15	Define delay time, rise time, peak time, maximum overshoot, and settling time as transient response specifications of a second order system. Derive mathematical expressions for rise time, peak time, maximum overshoot, and settling time for the above system.
16	List various applications of Fuzzy Logic controller.
17	Functioning of boiler feed water control
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20)	Give examples of real time control systems.
21)	Explain with example the control system in air conditioning.
22)	Explain elements of hydraulic control system.
23)	Explain elements of pneumatic control system.
24)	Give advantages and disadvantages of hydraulic control system.