Question: Workdone by an air compressor __________ upon the way in which the air is compressed.
[A].depends
does not depend
[A].
[B].
Answer: Option A
Explanation:
No answer description available for this question.
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A 3 m3/min compressor means that it
Question: A 3 m3/min compressor means that it
[A].compresses 3 m3/min of standard air
compresses 3 m3/ min of free air
delivers 3 m3/ min of compressed air
delivers 3 m3/ min of compressed air at delivery pressure
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
In a reciprocating air compressor, the compression work per kg of air
Question: In a reciprocating air compressor, the compression work per kg of air
[A].increases as clearance volume increases
decreases as clearance volume increases
is independent of clearance volume
increases as clearance volume decreases
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A large clearance Volume in a reciprocating compressor results in
Question: A large clearance Volume in a reciprocating compressor results in
[A].reduced volume flow rate
increased volume flow rate
lower suction pressure
lower delivery pressure
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
In a single stage, single acting reciprocating air compressor, without clearance, the workdone on the air during isentropic compression is __________ the heat required to raise the temperature of air from T1 to T2 at a constant pressure.
Question: In a single stage, single acting reciprocating air compressor, without clearance, the workdone on the air during isentropic compression is __________ the heat required to raise the temperature of air from T1 to T2 at a constant pressure.
[A].equal to
less than
greater than
[A].
[B].
[C].
Answer: Option A
Explanation:
No answer description available for this question.
The air power of the compressor is also known as
Question: The air power of the compressor is also known as
[A].indicated power
brake power
frictional power
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
In a single acting reciprocating air compressor, without clearance, the compression of air may be
Question: In a single acting reciprocating air compressor, without clearance, the compression of air may be
[A].isothermal
polytropic
isentropic
any one of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
In a single stage, single acting reciprocating air compressor without clearance volume, the workdone is maximum during
Question: In a single stage, single acting reciprocating air compressor without clearance volume, the workdone is maximum during
[A].isothermal compression
isentropic compression
polytropic compression
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
In a single stage, single acting reciprocating air compressor, without clearance volume, the workdone is minimum during
Question: In a single stage, single acting reciprocating air compressor, without clearance volume, the workdone is minimum during
[A].isothermal compression
isentropic compression
polytropic compression
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in __________ of the piston.
Question: In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in __________ of the piston.
[A].one stroke
two strokes
three strokes
four strokes
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.