Answer / karan sharma

Lathe machine operation needs linear torque nd this is done in DC shunt motor i.e constant torque at constant current i.e linear torque. While rolling mills can have diffrent values of torque while considering its operation in certain applications, which can be provided by compound motor i.e b/w series nd shunt.

what is auxilliary transformer??

3 Answers   Bhel,

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Difference between 3.5 core and 4 core

2 Answers  

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how the voltage between all the three phase is zero can any body explain me

5 Answers  

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heat can flow from a body at low temperature to a body at higher temperature only when ........ is supplied from an external source A). Voltage B). Current C). work D). Mass

7 Answers   BMRCL,

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how do using transformer 30 deg lag or 30 deg lead

1 Answers  

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explain different types of d.c motors?

0 Answers  

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Q-1 what are the structural and operational difference between a distribution and a power transformer? Q-2 what is skew in motors? Q-3 draw equivalent circuit of transformer Q-4 explain with phasors how pf is improved with loading in induction motors Q-5 DIFFERENT METHODS OF CABLE LAYING(interviewer asked if i heard new chemical based earthing system next) Q-6 pi model of medium length trans line Q-7 v/f control?why Q-8 vacuum circuit breaker operates in?

1 Answers   Vijai Electricals,

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maintenance parameters of sewage treatment plant

1 Answers  

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sometimes, eventhough the HV side of the transformer is opened there is a voltage in LV side .How is it possible?

4 Answers  

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Whats the use of earth pits? and it will function? whats the natural earth value? How to improve ur earth resistance?

3 Answers   Anwar Ispat,

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WhY PF low at Time of PT Missing in HT Meter

2 Answers   HCL,

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What are safety seals?

1 Answers   HSL,

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