Equal to
Less than
Greater than
None of these
A. Equal to
Equal to
Less than
More than
None of these
kg/m²
kg/m³
m³/min
m³/kg
Gas turbine plant
Petrol engine
Diesel engine
Solar plant
Two times
Three times
Four times
Six times
Electric motor
Engine
Either (A) or (B)
None of these
p₂/p₁ = p₃/p₂
p₁/p₃ = p₂/p₁
p₁ = p₃
p₁ = p₂ p₃
Net work output and work done by turbine
Net work output and heat supplied
Work done by turbine and heat supplied
Work done by turbine and net work output
Compressor efficiency
Volumetric efficiency
Isothermal efficiency
Mechanical efficiency
Centrifugal
Reciprocating
Axial
Screw
The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel
The stagnation conditions exist at the combustion chamber
The exit velocities of exhaust gases are much higher than those in jet engine
All of the above
Does not change
Increases
Decreases
First decrease and then increase
High calorific value
Ease of atomisation
Low freezing point
Both (A) and (C) above
Free air delivery
Compressor capacity
Swept volume
None of these
Centrifugal type
Reciprocating type
Lobe type
Axial flow type
Higher
Lower
Same
None of the above
Carnot cycle
Rankine cycle
Ericsson cycle
Joule cycle
Less
More
Same
May be less or more depending upon speed
W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1)
W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1)
W₁/W₂ = n₁/n₂
W₁/W₂ = n₂/n₁
Increases
Decreases
Remain constant
First decreases and then increases
Decreases
Increases
Does not change
None of these
Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions
Volume of air delivered by the compressor
Volume of air sucked by the compressor during its suction stroke
None of the above
No flow of air
Fixed mass flow rate regardless of pressure ratio
Reducing mass flow rate with increase in pressure ratio
Increased inclination of chord with air steam
W₁/(W₁ + W₂)
W₂/(W₁ + W₂)
(W₁ + W₂)/W₁
(W₁ + W₂)/W₂
Centrifugal pump
Reciprocating pump
Turbine
Sliding vane compressor
As large as possible
As small as possible
About 50% of swept volume
About 100% of swept volume
Large quantity of air at high pressure
Small quantity of air at high pressure
Small quantity of air at low pressure
Large quantity of air at low pressure
More power
Less power
Same power
More/less power depending on other factors
Same
More
Less
Zero
Equal to
Less than
More than
None of these
Same
Higher
Lower
Dependent on other factors