SSC JE Electrical Engineering 27th Jan 2018 Shift-1

Instructions

For the following questions answer them individually

Question 151

The brush contact losses in a d.c. machine is

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Question 152

In which transformer, the tertiary winding is used

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Question 153

Secondary winding of an auto transformer is also called_____.

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Question 154

The maximum allowable voltage between adjacent segment is

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Question 155

The field control of a DC shunt motor gives_____.

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Question 156

The no load current in a transformer is

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Question 157

Transformer cooling and insulation oil must be of

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Question 158

Single Phase transformers can be used in parallel only when their voltages are

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Question 159

When the phase sequence of supply currents are reversed, then the direction of rotation of the resultant magnetic field wave

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Question 160

The availability of full -rated torque at starting is obtained from induction motor is

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