Answer Posted / sujay saha ( lecturer of n.h.i

1. Thermodynamic Cycle is completed in 2 revolution of the
crankshaft for 4 stroke engine where as this cycle is
completed in one revolution of the crank shaft for 2 stroke
engine.
2.Turning moment diagram is not so uniformlike 2 stroke
engine for that reason heavier flywheel is required for 4
stroke engine.
3. Volumetric efficiency is more than 2 stroke engine.
4. Thermal efficiency is higher than the 2 stroke engine.

Define Octane number and Cetane number

1247

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What is the range of the engine efficiency for two stroke engine? Why you don�t see two stroke engine in car? What are problem with two stroke engine?

993

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What is bhp? How can you measure bhp?

995

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what is the syllabus for the rrb sec. eng. posts iam from automobile engg.

2466

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Explain the basic difference between bs2 and bs3 engine?

1022

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Slip joints are provided in the propeller shaft a) To adjust the inclination of the propeller shaft b) To adjust the length of the propeller shaft c) To prevent the whirling of the propeller shaft d) To adjust the up and down movement of the rear axle

1296

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What will happen if someone adds oil to the fuel of four stroke bike engine?

1142

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What do you mean by independent suspension?

1003

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What is overflow and how it's happen

1912

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1) can any one tell how dozer transmission system power terrain --track

2506

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What are three methods of heat trfer?

1247

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If the given tractive effort curve and the total resistance curve does not intersect, then a) The vehicle will accelerate b) The vehicle will decelerate c) The vehicle will not be able to go at this gradient for the given gear d) None of the above

1129

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What is the engine rating required for 1000 KVA Generator set. Calculations?

2253

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What is the use of hydrogen in automobile?

992

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Explain the concept of hit and miss governing in IC engines.

1132

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