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String efficiency is used for measuring the?

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asked Mar 6, 2018 by anonymous

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Answer :

String efficiency is used for measuring the degree of utilization of SCR.

answered Mar 6, 2018 by anonymous

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asked Aug 21, 2019 by anonymous

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asked Sep 6, 2018 by anonymous

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State two purposes of calibration of measuring instruments.
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asked Sep 6, 2018 by anonymous

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List three types of errors in measuring instruments. Give reasons of occurring for any one of them.
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asked Sep 6, 2018 by anonymous

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asked Sep 6, 2018 by anonymous

Name the different torque and their function in measuring instrument.

Name the different torque and their function in measuring instrument.
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asked Sep 6, 2018 by anonymous

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asked Sep 6, 2018 by anonymous

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asked Sep 6, 2018 by anonymous

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asked Sep 6, 2018 by anonymous

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asked Sep 6, 2018 by anonymous

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asked Sep 5, 2018 by anonymous

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For measuring a very high resistance we should use?

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For measuring current at high frequency we should use?

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asked Mar 21, 2018 by anonymous

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asked Jan 2, 2021 by anonymous

State why a transformer always have an efficiency of more than 90%.

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asked May 22, 2020 by anonymous

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asked May 2, 2020 by anonymous

"Efficiency of thermal power station is low". — Justify.

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asked Jun 18, 2018 by anonymous

The overall efficiency of Thermal Power Plant is equal to _______________ .

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asked May 8, 2018 by anonymous

A transformer operates 24 hours day at full -load. It's full -load efficiency is :

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The rankine cycle efficiency of steam power plant is

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asked Apr 29, 2018 by anonymous

Transmission efficiency of a transmission line increases with the

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asked Apr 26, 2018 by anonymous

For high efficiency of transfer of power, internal resistance of the source should be?

For high efficiency of transfer of power, internal resistance of the source should be?
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asked Mar 25, 2018 by anonymous

The efficiency of diesel locomotives is nearly?

Last Answer : The efficiency of diesel locomotives is nearly 20 to 25 percent.

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asked Mar 22, 2018 by anonymous

The overall efficiency of steam locomotive is around?

Last Answer : The overall efficiency of steam locomotive is around 5 to 10 percent.

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asked Mar 22, 2018 by anonymous

D.C. generators are normally designed for maximum efficiency around?

Last Answer : D.C. generators are normally designed for maximum efficiency around full-load.

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asked Mar 20, 2018 by anonymous

The condition for maximum efficiency for a D.C. generator is?

Last Answer : The condition for maximum efficiency for a D.C. generator is variable losses equal to constant losses.

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asked Mar 20, 2018 by anonymous

The range of efficiency for shaded pole motors is?

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asked Mar 20, 2018 by anonymous

The efficiency of a properly designed synchronous motor will usually fall in range?

Last Answer : The efficiency of a properly designed synchronous motor will usually fall in range 85 to 95%.

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asked Mar 20, 2018 by anonymous

Generators for peak load plants are usually designed for maximum efficiency at?

Last Answer : Generators for peak load plants are usually designed for maximum efficiency at 50 to 75 percent full load.

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asked Mar 20, 2018 by anonymous

Efficiency of a power transformer is of the order of?

Last Answer : The efficiency of a power transformer is of the order of 98 percent.

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asked Mar 19, 2018 by anonymous

An ideal transformer will have maximum efficiency at a load such that?

Last Answer : An ideal transformer will have maximum efficiency at a load such that copper loss equal to iron loss.

204 views 1 answer

asked Mar 19, 2018 by anonymous

For a transformer, operating at constant load current, maximum efficiency will occur at?

For a transformer, operating at constant load current, maximum efficiency will occur at?
Last Answer : For a transformer, operating at constant load current, maximum efficiency will occur at unity power factor.

124 views 1 answer

asked Mar 19, 2018 by anonymous

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