Answer / riemann

OIL SEAL,O-RING ARE SAFETY SEALS,
WHICH ARE USED TO MAINTAIN THE PARTICULAR PRESSURE RATING
AND AVOID LEAKAGES.

why we use only sine wave in ac why we do not use other wave forms

21 Answers   BARC, NTPC,

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what is arc flash and what are the hazards involved

0 Answers   Reliance,

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what is the function of conservater in transformer

3 Answers  

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Tell me about ur past electrical maintanence job

0 Answers   Apollo Power, Solar,

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Why celling fan rotates in anticlockwise direction and table fan in clockwise direction ? Give technical reason.

5 Answers  

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Reversal of corrent feature in MCCB- What is reversalof current -explain broadly.

1 Answers  

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What are the causes of motor vibration?

3 Answers   Equate,

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For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

0 Answers   Ecil,

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How to set an overload in a motor?

3 Answers  

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Define de-sensitivity?

0 Answers  

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why is only master neutral contactor is made to switch in synchronization of dg sets

4 Answers   Honeywell,

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what is meant by insulation voltage in cables? explain it?

4 Answers   ABB,

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