SSC JE Electrical Engineering 23rd Jan 2018 Shift-2

Instructions

For the following questions answer them individually

Question 151

For a dc machine shuntresistance and armature resistance values are

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Question 152

If the field of a dc shunt motor gets opened while the motoris running, then the

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Question 153

Inter pole winding is connected in .....

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Question 154

In large machinesflat copperstrips know as

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Question 155

Lap winding is preferred for

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Question 156

Scott connections are used for

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Question 157

The primary and secondary windings of an Auto transformer are

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Question 158

A 40KVAtransformerhas a core loss of 450 W andtotal loss of 800 W. Find the copperloss for Maximum efficiency.

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Question 159

The difference between the stator synchronous speed and rotor speedsis called

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Question 160

In three induction motor maximum torque is inversely proportional to the

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