Question 1

What is the steam pressure limit of natural circulation boilers?

Accepted Answer

A) 650bar 
B) 180bar 
C) 400bar 
D) 550bar 
A) 650bar 
B) 180bar 
C) 400bar 
D) 550bar B

Question 2

Chances of sediments depositing inside the water tubes in the shell is less due to?

Accepted Answer

A) low working pressure 
B) natural circulation of water 
C) partial circulation of water 
D) high working pressure 
A) low working pressure 
B) natural circulation of water 
C) partial circulation of water 
D) high working pressure D

Question 3

The coefficient of kinetic friction is less than the coefficient of static friction.

Accepted Answer

A) True 
 B)False  True

Question 4

Tubular air preheater of a boiler is also called as______________

Accepted Answer

A) recuperative air preheater 
B) elliptical air preheater 
C) ovoid air preheater 
D) squarish air preheater 
A) recuperative air preheater 
B) elliptical air preheater 
C) ovoid air preheater 
D) squarish air preheater

Question 5

Which fuel is prepared by moulding finely ground coal under pressure?

Accepted Answer

A) coke 
B) charcoal 
C) briquette coal 
D) lignite 
A) coke 
B) charcoal 
C) briquette coal 
D) lignite

Question 6

Which of these is a mobile boiler?

Accepted Answer

A) lancashire boiler 
B) stirling boiler 
C) locomotive boiler 
D) cochran boiler 
A) lancashire boiler 
B) stirling boiler 
C) locomotive boiler 
D) cochran boiler

Question 7

Compressible flow is a flow that deals with

Accepted Answer

A) fluid temperature 
B) fluid pressure 
C) fluid density 
D) fluid geometry 
A) fluid temperature 
B) fluid pressure 
C) fluid density 
D) fluid geometry

Question 8

Are boilers defined on the basis of heat source.

Accepted Answer

A) True 
 B)False

Question 9

Which statement about impulse turbine is true?

Accepted Answer

A) steam expands over blades 
B) steam expends completely in stationary nozzels 
C) steam expends partially over nozzle and turbine blades 
D) steam expends over blades incompletely 
A) steam expands over blades 
B) steam expends completely in stationary nozzels 
C) steam expends partially over nozzle and turbine blades 
D) steam expends over blades incompletely

Question 10

Which type of boilers are called drum-less boilers?

Accepted Answer

A) natural circulation boilers 
B) fire tube boilers 
C) positive forced circulation boiler 
D) forced circulation boiler 
A) natural circulation boilers 
B) fire tube boilers 
C) positive forced circulation boiler 
D) forced circulation boiler

Question 11

Which of the given boilers operate above critical pressure?

Accepted Answer

A) natural circulation boilers 
B) forced circulation boilers 
C) once-through boilers 
D) water tube boilers 
A) natural circulation boilers 
B) forced circulation boilers 
C) once-through boilers 
D) water tube boilers

Question 12

When a gas is pushed through a pipe, the gaseous molecules are______________by the pipe's walls

Accepted Answer

A) attracted 
B) absorbed 
C) deflected 
D) dissipated 
A) attracted 
B) absorbed 
C) deflected 
D) dissipated

Question 13

Gas flows through the nozzle from an area of______________pressure (called the chamber) to one of______________pressure

Accepted Answer

A) high, low 
B) low, high 
C) same, same 
D) constant, infinite 
A) high, low 
B) low, high 
C) same, same 
D) constant, infinite

Question 14

In condensing turbines vacuum is obtained by______________

Accepted Answer

A) sudden pressure drop 
B) removal of non condensable gases 
C) sudden drop in pressure and by removal of non condensable gases 
D) none of the mentioned 
A) sudden pressure drop 
B) removal of non condensable gases 
C) sudden drop in pressure and by removal of non condensable gases 
D) none of the mentioned

Question 15

In velocity compounding the steam is expanded from the boiler pressure to condenser pressure in one set of stationary blades on nozzle.

Accepted Answer

A) True 
 B)False

Question 16

On what basis are fire and water tube boilers are classified?

Accepted Answer

A) depending the combustion products formed 
B) depending the state of fuel 
C) depending on the steam formation rate 
D) depending tubular heating surface 
A) depending the combustion products formed 
B) depending the state of fuel 
C) depending on the steam formation rate 
D) depending tubular heating surface

Question 17

Out of the given option choose the advantage that supports fire tube boilers?

Accepted Answer

A) water circulation is cyclic 
B) used as a mobile boiler 
C) water circulation is limited inside boiler shell 
D) bursting of flue tube does not cause any explosion 
A) water circulation is cyclic 
B) used as a mobile boiler 
C) water circulation is limited inside boiler shell 
D) bursting of flue tube does not cause any explosion

Question 18

Stirling boiler is an example of which type of boiler?

Accepted Answer

A) inclined tube boilers 
B) mobile boiler 
C) fire tube boiler 
D) water tube boiler 
A) inclined tube boilers 
B) mobile boiler 
C) fire tube boiler 
D) water tube boiler

Question 19

The exit velocity in the nozzle increases as per______________

Accepted Answer

A) stagnation point 
B) continuity equation 
C) prandtl number 
D) newton's law 
A) stagnation point 
B) continuity equation 
C) prandtl number 
D) newton's law

Question 20

Which of these is a stationary boiler?

Accepted Answer

A) locomotive boiler 
B) marine boiler 
C) mobile boiler 
D) babcock-wilcox boiler 
A) locomotive boiler 
B) marine boiler 
C) mobile boiler 
D) babcock-wilcox boiler

What is the steam pressure limit of natural circulation boilers?

Chances of sediments depositing inside the water tubes in the shell is less due to?

The coefficient of kinetic friction is less than the coefficient of static friction.

Tubular air preheater of a boiler is also called as______________

Which fuel is prepared by moulding finely ground coal under pressure?

Which of these is a mobile boiler?

Compressible flow is a flow that deals with

Are boilers defined on the basis of heat source.

Which statement about impulse turbine is true?

Which type of boilers are called drum-less boilers?

Which of the given boilers operate above critical pressure?

When a gas is pushed through a pipe, the gaseous molecules are______________by the pipe's walls

Gas flows through the nozzle from an area ofpressure (called the chamber) to one ofpressure

In condensing turbines vacuum is obtained by______________

In velocity compounding the steam is expanded from the boiler pressure to condenser pressure in one set of stationary blades on nozzle.

On what basis are fire and water tube boilers are classified?

Out of the given option choose the advantage that supports fire tube boilers?

Stirling boiler is an example of which type of boiler?

The exit velocity in the nozzle increases as per______________

Which of these is a stationary boiler?

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

Steam Turbines and Power Cycles

Energy Recovery and Thermodynamics Processes

Condensers and Heat Transfer in Refrigeration and Air Conditioning Systems

Turbines, Cogeneration, Refrigeration, and Air Conditioning Systems

Filters

Exam 15: Boiler Systems and Fluid Dynamics

What is the steam pressure limit of natural circulation boilers?

Chances of sediments depositing inside the water tubes in the shell is less due to?

The coefficient of kinetic friction is less than the coefficient of static friction.

Tubular air preheater of a boiler is also called as______________

Which fuel is prepared by moulding finely ground coal under pressure?

Which of these is a mobile boiler?

Compressible flow is a flow that deals with

Are boilers defined on the basis of heat source.

Which statement about impulse turbine is true?

Which type of boilers are called drum-less boilers?

Which of the given boilers operate above critical pressure?

When a gas is pushed through a pipe, the gaseous molecules are______________by the pipe's walls

Gas flows through the nozzle from an area of______________pressure (called the chamber) to one of______________pressure

In condensing turbines vacuum is obtained by______________

In velocity compounding the steam is expanded from the boiler pressure to condenser pressure in one set of stationary blades on nozzle.

On what basis are fire and water tube boilers are classified?

Out of the given option choose the advantage that supports fire tube boilers?

Stirling boiler is an example of which type of boiler?

The exit velocity in the nozzle increases as per______________

Which of these is a stationary boiler?

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

Steam Turbines and Power Cycles

Energy Recovery and Thermodynamics Processes

Condensers and Heat Transfer in Refrigeration and Air Conditioning Systems

Turbines, Cogeneration, Refrigeration, and Air Conditioning Systems

Filters

Gas flows through the nozzle from an area ofpressure (called the chamber) to one ofpressure