why CERAMIC material is used in insulators??



why CERAMIC material is used in insulators??..

Answer / ramkumar

A few reasons:

1. Ceramic is cheap (basically sand).
2. Excellent plasticity (enables moulding / shaping to
required size shape)
3. Its an excellent non-conductor,
4. Has very good mechanical and thermal properties.
5. Easy availability of raw material.

Is This Answer Correct ?    4 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

What is the voltage gain or transfer function of amplifier?

0 Answers  


What is speed mode?

0 Answers  


what is the principle of vvvf drive motor

3 Answers  


differtiate between energy consevation and energy efficiency..

1 Answers   L&T,


Please mention any books for electrical design load calculation for industrial,commercial(to select cable,breaker,bus bar,stator,)

1 Answers   C&S,






In a transformer, the hysteresis and eddy current losses depend upon 1.load current 2.maximum flux density in core 3.type of lamination 4.supply frequency The correct statements are (a) 1 and 3 (b) 2 and 3 (c) 1 and 4 (d) 2 and 4

9 Answers  


For my plant the electricity department charging some amount for t/f losses. May i know what are transformer losses

1 Answers   L&T,


what happens if dc supply is given to the transformer?

10 Answers  


What is turn ratio of a transformer?

0 Answers  


What is CCM in Electrical ? where can we use this material?

0 Answers  


why transformer rating is given in kva?

2 Answers  


why the generator efficiency is greator than motor?

4 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5084)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16631)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1094)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)