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Paper / Subject Code: 41225 / Industrial Electronics
Duration – 3 Hours
Marks - 80
N.B.: - (1) Question No.1 is compulsory.
(2) Attempt any Threequestions out of remaining five questions.
(3) Assume suitable data if necessary and justify the same.
Q 1.
Q 2 a)
Q 2 b)
Explain any one power electronic switch using construction, working principles and
applications.
Draw and explain advantages of closed loop speed control over open loop method of
speed control in dc motor.
Draw VI characteristic of Diac and explain all modes of operation.
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Q 3 a)
Q 3 b)
Q 3 c)
Identify and describe working of rectifier and inverter used in ac motor speed control.
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What are similarities and difference between SCR and GTO?
07
Describe with circuit diagram the working OPAMP as an inverting amplifier and non- 06
inverting amplifier
Q 4 a)
Develop circuit using OPAMP for any one industrial application.
07
Q 4 b)
Q 4 b)
Explain construction and working of IC555 timer.
Compare TTL and CMOS logic families.
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Q 5 a)
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Q 5 b)
Q 5 c)
Enlist any four digital circuits used for industrial applications and explain working of
any one digital circuit.
Compare active and passive filters.
Explain in detail temperature measurement using MSP 430 microcontroller.
Q 6 a)
Explain with block diagram the basic functioning of MSP 430 microcontroller.
07
Q 6 b)
Q 6 c)
Draw and describe the working principle of Servo Motor.
Explain with an application the use of pumps and conveyor.
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Q 2 c)
Answer all questions.
A) What are any four parameters used to select a semiconductor device?
B) Derive the output equation of Full wave controlled rectifier using SCR.
C) Explain the working of Voltage follower or Buffer using OPAMP.
D) Describe Set Reset(SR) and Trigger(T) flip flop.
E) Explain with block diagram the role of microcontroller in an industrial application
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