1 Answer

Answer :

Electric locomotive has the highest operational availability.

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

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

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

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.

Description : The effect of a finite gain of an operational amplifier used in an integrator is that (A) it would not integrate (B) the slope of the output will vary with time (C) the final value of the output voltage will reduce (D) there will be instability in the circuit

Last Answer : The effect of a finite gain of an operational amplifier used in an integrator is that there will be instability in the circuit

Description : Availability factor

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Description : Which of the following connection of transformers will give highest value of secondary voltage ? (A) Delta primary delta secondary (B) Delta primary star secondary (C) Star primary star secondary (D) Star primary delta secondary

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Description : The ADC having highest conversion speed is (A) Dual-slope ADC (B) Successive approximation ADC (C) Flash ADC (D) Servo ADC

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Description : Balancing the workload by transferring the under performing servers is a feature of ___________. A. High availability. B. Operational automation. C. Dynamic resource. D. Live Migration

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Description : The power of a locomotive is 315 kW and the total weight of the train is 2000 kN. If the track resistance is 15 N per kN, the maximum speed that the locomotive can attain on level track will be a.43 kmph b.83 kmph c.103 kmph d.107 dynes e.38 kmph

Last Answer : e. 38 kmph

Description : The power of a locomotive is 315 kW and the total weight of the train is 2000 kN. If the track resistance is qN per kN, the maximum speed that the locomotive can attain on level track will be a.103 kmph b.83 kmph c.107 dynes d.43 kmph e.63 kmph

Last Answer : e. 63 kmph

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Last Answer : (D) GV²/gR

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Last Answer : Option D

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Last Answer : A]Locomotive boiler.

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Last Answer : c) Steam jet

Description : Locomotive boiler has a) 137 fire tubes and 44 superheated tubes b) 147 fire tubes and 34 superheated tubes c) 157 fire tubes and 24 superheated tubes d) 167 fire tubes and 14 superheated tubes

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Description : RBG loading caters for maaaaximum axle load of…….tones for locomotive with trailing loadof…… tonnes/metre of track with maximum axle load of…….tonnes for wagons a)22.9,7.67,25 b)22.5,7.67,22.9* c)25,7.67,22.9, d)None of above

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Description : GML loading caters for maaaaximum axle load of…….tonnes for locomotive with trailing load of………tonnes/metre. a)22.9,7.67* b)22.5,7.67 c)25,7.67 d)None of above

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Description : A train locomotive whose mass is 1 x 106 kilograms is traveling EAST at a speed of 100 kilometers per hour. A NORTHERLY wind is applying a force of 100 Newtons on the locomotive. How much work is the wind doing ... 10 meters it travels? w) 0 joules x) 1,000 joules y) 10,000 joules z) 100,000 joules

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Description : Draw a neat sketch of ‘Locomotive coupler’ mechanism. Explain its working in brief.

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Description : Explain with neat sketch overload protection for power circuit of locomotive.

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Description : State the classification of locomotive.

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Description : Draw a neat labelled block diagram of AC electric locomotive. State the function of each part.

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Description : List any two types of relays and contactors with their function used in AC locomotive.

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Description : Draw neat labeled diagram of single phase AC locomotive showing its various equipments of power circuit and give function of each equipment used in power circuit.

Last Answer : Functions of equipment: 1) circuit breaker: disconnects the locomotive equipment from the supply in the event of fault in the equipment / loco. 2) On load tap changer, used to control the ... 6) Traction motor: operates as per the required operating characteristics to take on the traction load.

Description : Explain the need of maintenance of electric locomotive. 

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Description : List any four types of electrical faults that may occur on electric locomotive with their causes.

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Description : List any eight equipment used in auxiliary circuit of electric locomotive.

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