Industrial Electronics Government Polytechnic DHM 2010 Question Paper

Exam Board: Government Polytechnic
Question Paper Course: Diploma Hospital Management
Subject of Question Paper: Industrial Electronics
Time allotted: 3 Hours
Max. Marks: 70
Year of the exam paper: 2010
Question Paper Format: Text

Q.1 (a) Draw the block diagram of open-loop and closed loop control system and state difference between them. 07
(b) Explain the principal of photo relay and its circuit using LDR 07

Q.2 (a) Draw and explain SCR delay timer 07
(b) Explain the working of proximity switch with circuit diagram. 07
OR
(b) Explain ultrasonic flow detector. 07

Q.3 (a) Explain three phase full wave bridge-rectifier. 07
(b) Explain SMPS with neat block diagram and describe its merits over linear mode. 07
OR
Q.3 (a) Explain diffrent method of forced communication. 07
(b) Explain the working of fan regulator circuit using diac and triac. 07

Q.4 (a) Explain principal of dielectric heating and state its application 07
(b) Draw and explain block diagram of PLC 07
OR
Q. 4 (a) Explain un interrupted power supply. 07
(b) Explain the X-ray machine. 07

Q.5 (a) Explain D.C. motor speed control using chopper. 07
(b) What is cyclo converter? What are their types? 07
OR
Q.5 (a) Explain the sequential timer using IC-555. [07 marks]
(b) Explain electronic line contactor using thyristor? 07

Share This