Multiple Choice Questions on Compressors, Gas Dynamics and Gas TurbinesThe Following Section consists of Multiple Choice Questions on Compressors, Gas Dynamics and Gas Turbines.
Quiz-summary
0 of 20 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
Information
Compressors, Gas Dynamics and Gas Turbines MCQ 1
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 20 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
| Average score |
|
| Your score |
|
Categories
- Engineering 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- Answered
- Review
-
Question 1 of 20
1. Question
1 pointsGas turbine as compared to steam turbine
Correct
Incorrect
-
Question 2 of 20
2. Question
1 pointsIntercooling in gas turbines
Correct
Incorrect
-
Question 3 of 20
3. Question
1 pointsThe compression ratio in a gas turbine is
Correct
Incorrect
-
Question 4 of 20
4. Question
1 pointsOnly rocket engines can be propelled to space because
Correct
Incorrect
-
Question 5 of 20
5. Question
1 pointsAn aftercooler is used to
Correct
Incorrect
-
Question 6 of 20
6. Question
1 pointsHigh air-fuel ratio in gas turbines
Correct
Incorrect
-
Question 7 of 20
7. Question
1 pointsThe ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as
Correct
Incorrect
-
Question 8 of 20
8. Question
1 pointsThe ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called
Correct
Incorrect
-
Question 9 of 20
9. Question
1 pointsThe type of rotary compressor used in aeroplanes, is of
Correct
Incorrect
-
Question 10 of 20
10. Question
1 pointsIn a reciprocating air compressor, the compression work per kg of air
Correct
Incorrect
-
Question 11 of 20
11. Question
1 pointsThe degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the
Correct
Incorrect
-
Question 12 of 20
12. Question
1 pointsReheating in a gas turbine
Correct
Incorrect
-
Question 13 of 20
13. Question
1 pointsIn a centrifugal compressor, the ratio of the __________ to the blade velocity is called slip factor.
Correct
Incorrect
-
Question 14 of 20
14. Question
1 pointsThe air is delivered __________ in one revolution in case of a three-lobbed rotor.
Correct
Incorrect
-
Question 15 of 20
15. Question
1 pointsIn a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at
Correct
Incorrect
-
Question 16 of 20
16. Question
1 pointsA machine used to raise the pressure of air is called
Correct
Incorrect
-
Question 17 of 20
17. Question
1 pointsThe overall efficiency of the compressed air system is the
Correct
Incorrect
-
Question 18 of 20
18. Question
1 pointsIn a single acting reciprocating air compressor, without clearance, the compression of air may be
Correct
Incorrect
-
Question 19 of 20
19. Question
1 pointsThe axial flow compressor is preferred in air-craft gas turbines because of
Correct
Incorrect
-
Question 20 of 20
20. Question
1 pointsWhich of the following statement is correct as regard to centrifugal compressors?
Correct
Incorrect
Quiz-summary
0 of 20 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
Information
Compressors, Gas Dynamics and Gas Turbines MCQ 2
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 20 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
| Average score |
|
| Your score |
|
Categories
- Engineering 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- Answered
- Review
-
Question 1 of 20
1. Question
1 pointsIn 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
Correct
Incorrect
-
Question 2 of 20
2. Question
1 pointsThe compressed air may be used
Correct
Incorrect
-
Question 3 of 20
3. Question
1 pointsThe volumetric efficiency for reciprocating air compressors is about
Correct
Incorrect
-
Question 4 of 20
4. Question
1 pointsThe maximum temperature in a gas turbine is
Correct
Incorrect
-
Question 5 of 20
5. Question
1 pointsThe stagnation pressure rise in a centrifugal compressor takes place
Correct
Incorrect
-
Question 6 of 20
6. Question
1 pointsIn a jet propulsion
Correct
Incorrect
-
Question 7 of 20
7. Question
1 pointsWhich of the following statement is wrong?
Correct
Incorrect
-
Question 8 of 20
8. Question
1 pointsIn a single acting reciprocating compressor, the suction, compression and delivery of air takes place in __________ of the piston.
Correct
Incorrect
-
Question 9 of 20
9. Question
1 pointsThe maximum delivery pressure in a rotary air compressor is
Correct
Incorrect
-
Question 10 of 20
10. Question
1 pointsIntercooling in multi-stage compressors is done
Correct
Incorrect
-
Question 11 of 20
11. Question
1 pointsThe ratio of workdone per cycle to the stroke volume of the compressor is known as
Correct
Incorrect
-
Question 12 of 20
12. Question
1 pointsWhich of the following statement is correct?
Correct
Incorrect
-
Question 13 of 20
13. Question
1 pointsIn the aircraft propellers
Correct
Incorrect
-
Question 14 of 20
14. Question
1 pointsThe type of rotary compressor used in gas turbines, is of
Correct
Incorrect
-
Question 15 of 20
15. Question
1 pointsThe volume of air delivered by the compressor is called
Correct
Incorrect
-
Question 16 of 20
16. Question
1 pointsThe efficiency of a jet engine is higher at
Correct
Incorrect
-
Question 17 of 20
17. Question
1 pointsIn axial flow compressor, exit flow angle deviation from the blade angle is a function of
Correct
Incorrect
-
Question 18 of 20
18. Question
1 pointsRotary compressors are used for delivering
Correct
Incorrect
-
Question 19 of 20
19. Question
1 pointsIn a centrifugal compressor, an increase in speed at a given pressure ratio causes
Correct
Incorrect
-
Question 20 of 20
20. Question
1 pointsA large clearance Volume in a reciprocating compressor results in
Correct
Incorrect
Quiz-summary
0 of 20 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
Information
Compressors, Gas Dynamics and Gas Turbines MCQ 3
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 20 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
| Average score |
|
| Your score |
|
Categories
- Engineering 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- Answered
- Review
-
Question 1 of 20
1. Question
1 pointsThe ratio of the net work obtained from the gas turbine plant to the turbine work is known as
Correct
Incorrect
-
Question 2 of 20
2. Question
1 pointsGas turbine as compared to internal combustion engine
Correct
Incorrect
-
Question 3 of 20
3. Question
1 pointsA closed cycle gas turbine consists of a
Correct
Incorrect
-
Question 4 of 20
4. Question
1 pointsA closed cycle gas turbine works on
Correct
Incorrect
-
Question 5 of 20
5. Question
1 pointsWhich of the following statement is correct relating to rocket engines ?
Correct
Incorrect
-
Question 6 of 20
6. Question
1 pointsEuler’s equation can be used for
Correct
Incorrect
-
Question 7 of 20
7. Question
1 pointsA rocket engine uses __________ for the combustion of its fuel.
Correct
Incorrect
-
Question 8 of 20
8. Question
1 pointsA jet engine has
Correct
Incorrect
-
Question 9 of 20
9. Question
1 pointsThe mean effective pressure of the compressor is the
Correct
Incorrect
-
Question 10 of 20
10. Question
1 pointsThe reason for volumetric efficiency of reciprocating compressor being less than 100 percent is
Correct
Incorrect
-
Question 11 of 20
11. Question
1 pointsThe thrust of a jet propulsion power unit can be increased by
Correct
Incorrect
-
Question 12 of 20
12. Question
1 pointsA turbo-prop is preferred to turbo-jet because
Correct
Incorrect
-
Question 13 of 20
13. Question
1 pointsThe air power of the compressor is also known as
Correct
Incorrect
-
Question 14 of 20
14. Question
1 pointsThe overall isothermal efficiency of the compressor is defined as the ratio of
Correct
Incorrect
-
Question 15 of 20
15. Question
1 pointsThe minimum work required for a three stage reciprocating air compressor is __________ the work required for each stage.
Correct
Incorrect
-
Question 16 of 20
16. Question
1 pointsIn a high pressure compressor, the delivery pressure is
Correct
Incorrect
-
Question 17 of 20
17. Question
1 pointsWhen the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be
Correct
Incorrect
-
Question 18 of 20
18. Question
1 pointsIn a double acting compressor, the air is compressed
Correct
Incorrect
-
Question 19 of 20
19. Question
1 pointsIn a centrifugal compressor, the flow of air is __________ to the axis of compressor.
Correct
Incorrect
-
Question 20 of 20
20. Question
1 pointsFor minimum work required to compress and deliver a quantity of air by multi-stage compression,
Correct
Incorrect
Quiz-summary
0 of 20 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
Information
Compressors, Gas Dynamics and Gas Turbines MCQ 4
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 20 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
| Average score |
|
| Your score |
|
Categories
- Engineering 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- Answered
- Review
-
Question 1 of 20
1. Question
1 pointsSeparators are generally used in air compressor installations
Correct
Incorrect
-
Question 2 of 20
2. Question
1 pointsIf the flow of air through the compressor is perpendicular to its axis, then it is a
Correct
Incorrect
-
Question 3 of 20
3. Question
1 pointsIn air compressors, free air delivery means the
Correct
Incorrect
-
Question 4 of 20
4. Question
1 pointsThe gas in cooling chamber of a closed cycle gas turbine is cooled at
Correct
Incorrect
-
Question 5 of 20
5. Question
1 pointsThe assumption made in two stage compression with intercooler is that
Correct
Incorrect
-
Question 6 of 20
6. Question
1 pointsIn a closed cycle gas turbine, the air is compressed
Correct
Incorrect
-
Question 7 of 20
7. Question
1 pointsIn a single stage, single acting reciprocating air compressor, without clearance volume, the workdone is minimum during
Correct
Incorrect
-
Question 8 of 20
8. Question
1 pointsIf the flow of air through the compressor is parallel to its axis, then the compressor is
Correct
Incorrect
-
Question 9 of 20
9. Question
1 pointsWhen air is to be compressed at a high pressure, then it is advantageous to use
Correct
Incorrect
-
Question 10 of 20
10. Question
1 pointsThe absolute pressure of air at the outlet of a compressor is called
Correct
Incorrect
-
Question 11 of 20
11. Question
1 pointsThe degree of reaction is usually kept __________ for all types of axial flow compressors.
Correct
Incorrect
-
Question 12 of 20
12. Question
1 pointsStandard air is the air at __________ and relative humidity of 36 percent.
Correct
Incorrect
-
Question 13 of 20
13. Question
1 pointsIn a single stage, single acting reciprocating air compressor without clearance volume, the workdone is maximum during
Correct
Incorrect
-
Question 14 of 20
14. Question
1 pointsThe compressor capacity is defined as the
Correct
Incorrect
-
Question 15 of 20
15. Question
1 pointsThe volume of air sucked by the compressor during its suction stroke is called
Correct
Incorrect
-
Question 16 of 20
16. Question
1 pointsThe volumetric efficiency of a compressor
Correct
Incorrect
-
Question 17 of 20
17. Question
1 pointsThe multi-stage compression ofair as compared to single stage compression
Correct
Incorrect
-
Question 18 of 20
18. Question
1 pointsWhich one of the following is the effect of blade shape on performance of a centrifugal compressor ?
Correct
Incorrect
-
Question 19 of 20
19. Question
1 pointsIn a jet engine, the air-fuel ratio is
Correct
Incorrect
-
Question 20 of 20
20. Question
1 pointsWhich of the following bladings will give maximum pressure rise in a centrifugal compressor, assuming the same overall dimensions, blade inlet angle and rotational speeds ?
Correct
Incorrect