Compressors, Gas Dynamics and Gas Turbines - Part 1 Online Exam Quiz
Compressors, Gas Dynamics and Gas Turbines - Part 1 GK Quiz. Question and Answers related to Compressors, Gas Dynamics and Gas Turbines - Part 1. MCQ (Multiple Choice Questions with answers about Compressors, Gas Dynamics and Gas Turbines - Part 1
In a four stage compressor, if the pressure at the first and third stage are 1 bar and 16 bar, then the delivery pressure at the fourth stage will be
Options
A : 1 bar
B : 16 bar
C : 64 bar
D : 256 bar
The compressed air may be used
Options
A : in gas turbine plants
B : for operating pneumatic drills
C : in starting and supercharging of I.C. engines
D : all of the above
A rocket works with maximum overall efficiency when air-craft velocity is __________ the jet velocity.
Options
A : equal to
B : one-half
C : double
D : -
The volumetric efficiency for reciprocating air compressors is about
Options
A : 10 to 40%
B : 40 to 60%
C : 60 to 70%
D : 70 to 90%
The maximum temperature in a gas turbine is
Options
A : 200°C
B : 500°C
C : 700°C
D : 1000°C
The rotary compressors are suitable for large discharge of air at low pressure.
Options
A : True
B : False
C : -
D : -
The stagnation pressure rise in a centrifugal compressor takes place
Options
A : in the diffuser only
B : in the impeller only
C : in the diffuser and impeller
D : in the inlet guide vanes only
The total heat rejected in a reciprocating air compressor is equal to the sum of the heat rejected during polytropic compression per kg of air and heat rejected in the intercooler per kg of air.
Options
A : True
B : False
C : -
D : -
In a jet propulsion
Options
A : the propulsive matter is ejected from within the propelled body
B : the propulsive matter is caused to flow around the propelled body
C : its functioning does not depend upon presence of air
D : none of the above
An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.
Options
A : Yes
B : No
C : -
D : -
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