Question: The brake power is always greater than indicated power.
[A].Agree
Disagree
[A].
[B].
Answer: Option B
Explanation:
No answer description available for this question.
IC Engines and Nuclear Power Plants
The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in metres, N = Speed of engine in r.p.m., S – Spring balance reading in newtons, D = Dia. of brake drum in metres, and d = Dia. of rope in metres)
Question: The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in metres, N = Speed of engine in r.p.m., S – Spring balance reading in newtons, D = Dia. of brake drum in metres, and d = Dia. of rope in metres)
[A].all of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
The brake power is the power available
Question: The brake power is the power available
[A].in the engine cylinder
at the crank shaft
at the crank pin
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
If the speed of the engine is increased, the indicated power will
Question: If the speed of the engine is increased, the indicated power will
[A].increase
decrease
remain same
[A].
[B].
[C].
Answer: Option A
Explanation:
No answer description available for this question.
Number of working strokes per min. for a four stroke cycle engine are __________ the speed of the engine in r.p.m.
Question: Number of working strokes per min. for a four stroke cycle engine are __________ the speed of the engine in r.p.m.
[A].equal to
one-half
twice
four-times
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Number of working strokes per min. for a two stroke cycle engine are __________ the speed of the engine in r.p.m.
Question: Number of working strokes per min. for a two stroke cycle engine are __________ the speed of the engine in r.p.m.
[A].equal to
one-half
twice
four-times
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Which of the following statement is correct regarding normal cetaine?
Question: Which of the following statement is correct regarding normal cetaine?
[A].It is a standard fuel used for knock rating of diesel engines.
Its chemical name is normal-hexadecane.
It has long carbon chain structure.
all ofthe above
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Detonation is harmful due to
Question: Detonation is harmful due to
[A].increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine
excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls
high intensity of knock causes crankshaft vibration and the engine runs rough
none of the above
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
The basic requirement of a good combustion chamber is
Question: The basic requirement of a good combustion chamber is
[A].minimum turbulence
low compression ratio
high thermal efficiency and power output
low volumetric efficiency
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
In open combustion chamber in diesel engines, the shape and layout of the piston crown, the inlet port and the valve produce the turbulent effect of fuel mixture.
Question: In open combustion chamber in diesel engines, the shape and layout of the piston crown, the inlet port and the valve produce the turbulent effect of fuel mixture.
[A].True
False
[A].
[B].
Answer: Option A
Explanation:
No answer description available for this question.