Answer / m.r.ramesh

in four stroke engine two revolution crank shaft one power
stroke will be produced.

in two stroke engine one revolution crank shaft one
power stroke will be produced.

Answer / abhilash

in 4 stroke engi crank revolutes two time and one power
stroke be produced
that to in 2 stroke engi one revolution made bye the crank
shaft and one power stroke is occured

Answer / abdul hameed

In 4 stroke engine - one cycle of operation (suction,
compression, power, exhaust) completes in 720 degrees of
crank shaft or fly wheel rotation.

In 2 stroke engine - one cycle of operation (suction,
compression, power, exhaust) completes in 360 degrees of
crank shaft or fly wheel rotation.

Answer / abhishek kapuria

For 4 stroke :
a. Valves are used.
b. Heavy flywheel is used.
c. Thermal efficiency is high
d. For two revolution of crankshaft one power
stroke is produced.

For 2 stroke :
a. Ports are used.
b. Lighter flywheel used.
c. Thermal efficiency is low in comparison to $ stroke
d. For one revolution of crank shaft one power stroke is
produced

Answer / harsha

1.ports r diffrent in either engines.
2.fuel consumtion is more in two strock engine & it cause
more pollution than the four strock engine.
3.fuel is completely burnt out in four strock engine but
not in a two strock

Answer / prasad surendra naik

in four stroke the combustion cycle is completed in four
cycles whereas in two stroke combustion si completed in two
strokes

Answer / shiv shanker gupta

In 4 stroke engine - one cycle of operation (suction,
compression, power, exhaust) completes in 720 degrees of
crank shaft or fly wheel rotation.

In 2 stroke engine - one cycle of operation (suction,
compression, power, exhaust) completes in 360 degrees of
crank shaft or fly wheel rotation.

Answer / rvg

appart from above answers, 2 stroke engines are reversible
rotation but 4 strokes are not.

Answer / m.perumal

foure stork engine: suction, copution,power,exhasutfor four
strok only in crank shaft two revelution, so one power
strok got it.

two strok engine:suction, copution,power,exhasut for crank
shft one revolution,so one power stok got it.

Answer / mahesh chaurasia

in four stroke engine two revolution crank shaft one power
stroke will be produced.

in two stroke engine one revolution crank shaft one
power stroke will be produced.

in 4 stroke engi crank revolutes two time and one power
stroke be produced
that to in 2 stroke engi one revolution made bye the crank
shaft and one power stroke is occured

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Hello sir, I am Rajaram. I have finished DME (Diploma in Mechanical Engineering). I would like to attend BHEL supervisor examination. So i want which type of questions can i prepare. & give previous supervisor examinations questions. Reply my mail (rajaramsptc@gmail.com)

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