Question 1

Superficial steam power plants operate at _____ temperatures.

Accepted Answer

A) high 
B) low 
C) constant 
D) none of the mentioned 
A) high 
B) low 
C) constant 
D) none of the mentioned A

Question 2

What is the specific heat of the ideal working fluid used in vapour power cycle?

Accepted Answer

A) should be constant 
B) should be large 
C) should be small 
D) none of the mentioned 
A) should be constant 
B) should be large 
C) should be small 
D) none of the mentioned C

Question 3

A stage, in reaction turbine, is represented by ____________

Accepted Answer

A) each row of blades 
B) number of entries of steam 
C) number of exits of steam 
D) none of the mentioned 
A) each row of blades 
B) number of entries of steam 
C) number of exits of steam 
D) none of the mentioned A

Question 4

Back pressure turbine is placed between ____________

Accepted Answer

A) turbine & pump 
B) boiler & pump 
C) turbine & heat exchanger 
D) boiler & turbine 
A) turbine & pump 
B) boiler & pump 
C) turbine & heat exchanger 
D) boiler & turbine

Question 5

A steam nozzle converts ____________

Accepted Answer

A) heat energy of steam into kinetic energy 
B) kinetic energy of steam into heat energy 
C) potential energy into heat energy 
D) none of the mentioned 
A) heat energy of steam into kinetic energy 
B) kinetic energy of steam into heat energy 
C) potential energy into heat energy 
D) none of the mentioned

Question 6

The engines which are operating on gas power cycle are?

Accepted Answer

A) cyclic 
B) non-cyclic 
C) either cyclic or non-cyclic 
D) none of the mentioned 
A) cyclic 
B) non-cyclic 
C) either cyclic or non-cyclic 
D) none of the mentioned

Question 7

What is the relation of the mean temperature of heat addition and cycle efficiency?

Accepted Answer

A) both are inversely proportional 
B) both are directly proportional 
C) both are independent of each other 
D) none of the mentioned 
A) both are inversely proportional 
B) both are directly proportional 
C) both are independent of each other 
D) none of the mentioned

Question 8

Temperature of heat rejection in a condenser can be lowered by using?

Accepted Answer

A) lubricant 
B) oil 
C) refrigerant 
D) diesel 
A) lubricant 
B) oil 
C) refrigerant 
D) diesel

Question 9

Steam turbines may be classified according to ____________

Accepted Answer

A) number of stages 
B) direction of steam flow 
C) mode of steam action 
D) all of the mentioned 
A) number of stages 
B) direction of steam flow 
C) mode of steam action 
D) all of the mentioned

Question 10

Superficial steam turbines can be operated at ________

Accepted Answer

A) medium speeds 
B) low speeds 
C) high speeds 
D) none of the mentioned 
A) medium speeds 
B) low speeds 
C) high speeds 
D) none of the mentioned

Question 11

Which statement about reaction turbine is false?

Accepted Answer

A) steam does not expand in nozzle 
B) blades acts like nozzles 
C) steam expands as flows over the rotor blades 
D) steam continuously losses its heat as flows over the rotor blades 
A) steam does not expand in nozzle 
B) blades acts like nozzles 
C) steam expands as flows over the rotor blades 
D) steam continuously losses its heat as flows over the rotor blades

Question 12

When steam pressure ________ it becomes superficial fluid.

Accepted Answer

A) decreases 
B) increases 
C) steam can not become superficial fluid 
D) none of the mentioned 
A) decreases 
B) increases 
C) steam can not become superficial fluid 
D) none of the mentioned

Question 13

_______ of electricity in United States is produced using steam turbine.

Accepted Answer

A) 88% 
B) 50% 
C) 100% 
D) 77% 
A) 88% 
B) 50% 
C) 100% 
D) 77%

Question 14

Having two separate units for process heat and power is?

Accepted Answer

A) useful 
B) useless 
C) pollution reducing 
D) none of the mentioned 
A) useful 
B) useless 
C) pollution reducing 
D) none of the mentioned

Question 15

What is the importance of the freezing point of the working fluid in the vapour power cycle?

Accepted Answer

A) freezing point of working fluid should be below the room temperature 
B) freezing point of working fluid should be above the room temperature 
C) freezing point of working fluid should be equal to the room temperature 
D) does not have any importance 
A) freezing point of working fluid should be below the room temperature 
B) freezing point of working fluid should be above the room temperature 
C) freezing point of working fluid should be equal to the room temperature 
D) does not have any importance

Question 16

Steam turbines used in nuclear reactors use __________

Accepted Answer

A) superficial fluids 
B) high pressure steam 
C) specific heat 
D) none of the mentioned 
A) superficial fluids 
B) high pressure steam 
C) specific heat 
D) none of the mentioned

Question 17

In condensing turbine what is the back pressure of the turbine?

Accepted Answer

A) very high 
B) above atmospheric pressure 
C) equal to atmospheric pressure 
D) below atmospheric pressure 
A) very high 
B) above atmospheric pressure 
C) equal to atmospheric pressure 
D) below atmospheric pressure

Question 18

Addition of an infinitesimal amount of heat at the highest temperature is because ___________

Accepted Answer

A) to initiate reheating 
B) to initiate regeneration 
C) to initiate superheating 
D) none of the mentioned 
A) to initiate reheating 
B) to initiate regeneration 
C) to initiate superheating 
D) none of the mentioned

Question 19

If the critical pressure ratio for steam is 0.546, then the steam is initially ____________

Accepted Answer

A) wet 
B) dry saturated 
C) superheated 
D) none of the mentioned 
A) wet 
B) dry saturated 
C) superheated 
D) none of the mentioned

Question 20

Energy efficiency of superficial steam is _________

Accepted Answer

A) low 
B) high 
C) same as other steams 
D) none of the mentioned 
A) low 
B) high 
C) same as other steams 
D) none of the mentioned

Superficial steam power plants operate at _____ temperatures.

What is the specific heat of the ideal working fluid used in vapour power cycle?

A stage, in reaction turbine, is represented by ____________

Back pressure turbine is placed between ____________

A steam nozzle converts ____________

The engines which are operating on gas power cycle are?

What is the relation of the mean temperature of heat addition and cycle efficiency?

Temperature of heat rejection in a condenser can be lowered by using?

Steam turbines may be classified according to ____________

Superficial steam turbines can be operated at ________

Which statement about reaction turbine is false?

When steam pressure ________ it becomes superficial fluid.

_______ of electricity in United States is produced using steam turbine.

Having two separate units for process heat and power is?

What is the importance of the freezing point of the working fluid in the vapour power cycle?

Steam turbines used in nuclear reactors use __________

In condensing turbine what is the back pressure of the turbine?

Addition of an infinitesimal amount of heat at the highest temperature is because ___________

If the critical pressure ratio for steam is 0.546, then the steam is initially ____________

Energy efficiency of superficial steam is _________

Nozzles, Fountains, and Compressible Flow

Friction, Mach Number, and Boiler Operations

Boiler and Fuel

Turbines, Heat Exchangers, and Refrigeration Cycles

Refrigeration and Air Conditioning System Components and Processes

Cooling Systems and Nozzles in Engineering

Understanding Fluid Mechanics and Turbines

Boiler Types and Operations

Boiler Technology and Operation: Salts, Features, Difficulties, and Draught Systems

Steam Boilers and Turbines: Types, Characteristics, and Applications

Understanding Steam Turbines: Ratios, Actions, and Factors

Energy Recovery and Thermodynamics Processes

Condensers and Heat Transfer in Refrigeration and Air Conditioning Systems

Boiler Systems and Fluid Dynamics

Turbines, Cogeneration, Refrigeration, and Air Conditioning Systems

Filters

Exam 12: Steam Turbines and Power Cycles

Superficial steam power plants operate at _____ temperatures.

What is the specific heat of the ideal working fluid used in vapour power cycle?

A stage, in reaction turbine, is represented by ____________

Back pressure turbine is placed between ____________

A steam nozzle converts ____________

The engines which are operating on gas power cycle are?

What is the relation of the mean temperature of heat addition and cycle efficiency?

Temperature of heat rejection in a condenser can be lowered by using?

Steam turbines may be classified according to ____________

Superficial steam turbines can be operated at ________

Which statement about reaction turbine is false?

When steam pressure ________ it becomes superficial fluid.

_______ of electricity in United States is produced using steam turbine.

Having two separate units for process heat and power is?

What is the importance of the freezing point of the working fluid in the vapour power cycle?

Steam turbines used in nuclear reactors use __________

In condensing turbine what is the back pressure of the turbine?

Addition of an infinitesimal amount of heat at the highest temperature is because ___________

If the critical pressure ratio for steam is 0.546, then the steam is initially ____________

Energy efficiency of superficial steam is _________

Nozzles, Fountains, and Compressible Flow

Friction, Mach Number, and Boiler Operations

Boiler and Fuel

Turbines, Heat Exchangers, and Refrigeration Cycles

Refrigeration and Air Conditioning System Components and Processes

Cooling Systems and Nozzles in Engineering

Understanding Fluid Mechanics and Turbines

Boiler Types and Operations

Boiler Technology and Operation: Salts, Features, Difficulties, and Draught Systems

Steam Boilers and Turbines: Types, Characteristics, and Applications

Understanding Steam Turbines: Ratios, Actions, and Factors

Energy Recovery and Thermodynamics Processes

Condensers and Heat Transfer in Refrigeration and Air Conditioning Systems

Boiler Systems and Fluid Dynamics

Turbines, Cogeneration, Refrigeration, and Air Conditioning Systems

Filters