State advantages of electric heating.
[3 marks]State different method of electric braking. Explain any one in detail.
[4 marks]Explain speed-Time curve of a main line electric traction system.
[7 marks]State factors governing selection of the drive.
[3 marks]What are the different traction system? What are the requirements of the ideal traction system?
[4 marks]What are the merits and demerits of individual drive and group drive.
[7 marks]How selection of a motor is done for a particular application?
[7 marks]Different modes of heat transfer.
[3 marks]Write short note on Dielectric heating.
[4 marks]Explain different types of resistance welding.
[7 marks]Classification of electric heating system.
[3 marks]Write short note on induction heating.
[4 marks]Compare arc welding and resistance welding
[7 marks]Explain the terms: 1) Lumen 2) Luminous flux 3) luminous intensity
[3 marks]What is MIG and TIG welding.
[4 marks]Explain desirable characteristics of traction motor.
[7 marks]What are the various applications of electrolysis.
[3 marks]Requirements of good heating element.
[4 marks]What is schedule speed? Also state factors affecting schedule speed.
[7 marks]What is an electro deposition?
[3 marks]State and explain the inverse square law of illumination. State its limitations.
[4 marks]Explain electric circuit used in refrigeration.
[7 marks]What is electroplating?
[3 marks]Write short note on water cooler.
[4 marks]Explain laws of electrolysis.
[7 marks]