फोरमेन तथा सुपरभाइजर प्रश्न

प्रश्न

• Relay contacts are normally made up of ?

  मध्यम

• Power input to a transformer on no load at rated voltage comprises predominantly ?

  मध्यम

• In a transformer, humming sound occurs due to ?

  मध्यम

• In a transformer operation, which quantity remains fixed ?

  मध्यम

• The stator core of the induction motor is made of ?

  मध्यम