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Answer :

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

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Last Answer : In a steam locomotive electric power is provided through small turbo-generator.

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Last Answer : The overall efficiency of Thermal Power Plant is equal to Regenerative Cycle Efficiency. 

Description : The rankine cycle efficiency of steam power plant is  (1) 60-80% (3) 30-45% (2) 45-80% (4) 20-30%

Last Answer : The rankine cycle efficiency of steam power plant is 30-45%

Last Answer : Locomotive having monomotor bogies has better coefficient of adhesion, are suited both for passanger as well as freight service, has better riding qualities due to the reduction of lateral forces.

Last Answer : Plugging braking method can bring the locomotive to dead stop.

Last Answer : For given maximum axle load tractive efforts of AC. locomotive will be more than that of D.C. locomotive.

Last Answer : Electric locomotive has the highest operational availability.

Last Answer : The speed of a locomotive is controlled by gear box.

Description : How does electric locomotive work?

Last Answer : Electric  locomotives  are  powered   by  motors  connected  to  battery  or  any  supply . The  electric  supply  is  connected  to  a  motor  which  drives  set  of  gears  connected  to  wheels.

Last Answer : In case of a steam engine an average coal consumption per km is nearly 28 to 30 kg.

Description : The steam engine provided on steam locomotives is?

Last Answer : The steam engine provided on steam locomotives is single acting non-condensing type.

Last Answer : In case of steam engines the steam pressure is 10 to 15 kgf/cm2.

Last Answer : The horsepower of steam locomotives is up to 1500.

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

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Last Answer : While keeping the excitation constant, if the steam supply of an alternator running in parallel with another identical alternator is increased, then Its portion of share in load will increase

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

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

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Description : What is the efficiency of Class-B amplifier?  A) 68.50% B) 78.50% C) 88.50% D) 98.50%

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Description : Transmission efficiency of a transmission line increases with the

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

Last Answer : For high efficiency of transfer of power, internal resistance of the source should be less than the load resistance.

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

Last Answer : The range of efficiency for shaded pole motors is 5% to 35%.

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

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

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

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

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Description : The efficiency of two identical transformers under load conditions can be determined by?

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Description : The efficiency of a transformer, under heavy loads, is comparatively low because?

Last Answer : The efficiency of a transformer, under heavy loads, is comparatively low because copper loss becomes high in proportion to the output.

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Last Answer : Synchronous motor has more efficiency.