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TCC 103 ALL

Total questions: 69

Worksheet time: 35mins

Name
Class
Date
1.

__________ converts thermal energy to mechanical energy

a)

Boiler

b)

Steam Turbine

c)

generator

2.

___________ converts chemical energy to thermal energy

a)

Boiler

b)

Steam Turbine

c)

Generator

3.

__________ converts mechanical energy to electrical energy

a)

Boiler

b)

Steam Turbine

c)

Generator

4.

_________ is a closed vessel where water is converted into steam at required pressure.

a)

Newton

b)

Generator

c)

Steam Boiler

5.

What type of heat is described by letter A?

a)

latent heat

b)

sensible heat

c)

flowmeter

d)

friction

6.

What type of heat is described by letter B?

a)

latent heat

b)

sensible heat

c)

flowmeter

d)

friction

7.

What type of heat is in letter C?

a)

sensible heat

b)

latent heat of vaporization

c)

latent heat of fusion

d)

superheat

8.

What type of heat is in letter D?

a)

sensible heat

b)

latent heat of vaporization

c)

latent heat of fusion

d)

superheat

9.

What quality of steam is in letter "F"?

a)

sensible heat

b)

latent heat of vaporization

c)

latent heat of fusion

d)

superheated

10.

What type of heat is in letter "B"?

a)

sensible heat

b)

latent heat of vaporization

c)

latent heat of fusion

d)

superheated

11.

What component of the Power Plant is indicated by letter A

a)

Boiler

b)

Steam Turbine

c)

Generator

d)

PPE

12.

What component of the Power Plant is indicated by letter B

a)

Boiler

b)

Steam Turbine

c)

Generator

d)

PPE

13.

What component of the Power Plant is indicated by letter C

a)

Boiler

b)

Steam Turbine

c)

Generator

d)

PPE

14.

Converts mechanical energy to electrical energy.

a)

A

b)

C

c)

B

d)

PPE

15.

Converts chemical energy to thermal energy.

a)

A

b)

C

c)

B

d)

PPE

16.

The primary function of the STEAM DRUM is to _____________

a)

mix steam and water

b)

separate steam from water

c)

burn the fuel

17.

What is in the picture?

a)

steam turbine

b)

steam drum

c)

generator

18.

Steam leaving the drum should be __________ moisture free

a)

99.99%

b)

20%

c)

80%

d)

95%

19.

Solids in the steam must be less than _____.

a)

500,000 ppm

b)

10000 ppm

c)

500 ppm

20.

____________ removes cumulative amounts of concentrated solids

a)

TRUE

b)

continuous blowdown

c)

pressure gauge

21.

what device is shown in the picture?

a)

safety valve

b)

steam drum

c)

superheater

22.

PARALLEL Superheater

a)

the direction of steam flow is opposite with the direction of flue gas

b)

the direction of steam flow is the same with the direction of flue gas

c)

the direction of steam flow is the same and opposite with the direction of flue gas

23.

COUNTERFLOW Superheater

a)

the direction of steam flow is opposite with the direction of flue gas

b)

the direction of steam flow is the same with the direction of flue gas

c)

the direction of steam flow is the same and opposite with the direction of flue gas

24.

RADIANT Superheater

a)

located somewhere in the flue gas flow, where it absorbs heat by convection

b)

located in or near the furnace and receives heat transfer by radiation

c)

located inside the steam drum

25.

CONVECTIVE Superheater

a)

located somewhere in the flue gas flow, where it absorbs heat by convection

b)

located in or near the furnace and receives heat transfer by radiation

c)

located inside the steam drum

26.

What type of water circulation is indicated by letter B

a)

natural circulation

b)

forced circulation

c)

Air Purifying Respirator

27.

What part is indicated by letter "A"

a)

Mud Drum (or Water Drum)

b)

Steam Drum (or Boiler Drum)

c)

downcomers

d)

risers

28.

What is the part indicated by letter "E"?

a)

Boiler

b)

Superheater

c)

Feedwater Pump

29.

What is the part indicated by letter "C"?

a)

Boiler

b)

Superheater

c)

Feedwater Pump

30.

What type of water circulation is indicated by letter A

a)

natural circulation

b)

forced circulation

c)

Air Purifying Respirator

31.

What is the part indicated by letter "A"?

a)

Boiler

b)

Steam Turbine

c)

Condenser

32.

What part is indicated by letter "B"

a)

Mud Drum (or Water Drum)

b)

Steam Drum (or Boiler Drum)

c)

downcomers

d)

risers

33.

What is the part indicated by letter "D"?

a)

Boiler

b)

Steam Turbine

c)

Condenser

34.

What part is indicated by letter "C"

a)

Feedwater

b)

Steam

c)

downcomers

d)

risers

35.

What part is indicated by letter "D"

a)

Feedwater

b)

Steam

c)

downcomers

d)

risers

36.

What fluid is indicated by letter "E"

a)

Feedwater

b)

Steam

c)

downcomers

d)

risers

37.

What fluid is indicated by letter "F"

a)

Feedwater

b)

Steam

c)

downcomers

d)

risers

38.

What are the types of "water circulation" do Boilers have?

a)

natural

b)

forced

c)

illegal

d)

legal

39.

The type of boiler that has NO internal drums, and no water recirculation

a)

once through

b)

drum type

40.

What type of Once-Through Boiler is indicated by letter A

a)

Benson

b)

Sulzer

c)

Newton

41.

What is the part indicated by letter "B"?

a)

Condenser

b)

Superheater

c)

Feedwater Pump

42.

What type of Once-Through Boiler is indicated by letter B

a)

Benson

b)

Sulzer

c)

Newton

43.

What part of the Suzler Boiler is indicated by letter "A"

a)

Safety Gloves

b)

Suzler bottle

c)

Benson design

44.

Once-through Boilers are __________

a)

sub-critical boilers

b)

super critical boilers

c)

SCBA

d)

PPE

45.

__________ is where the tube metal over heats

a)

cooling

b)

BURN OUT

c)

PPE

d)

shackles

46.

What are the two main types of Steam Boiler?

a)

Water-tube boiler

b)

Fire-Tube boiler

c)

Boiling Boiler

d)

steam turbine

47.

In Water-Tube Boiler, the water is heated ___________ the tubes.

a)

below

b)

outside

c)

inside

d)

on top of

48.

___________ protects the steam and water circuits against accidental overpressurization.

a)

safety glove

b)

safety valve

c)

circuit breaker

d)

all of the choices

49.

____________ is an indication of how well a material passes heat by conduction.

a)

steam boiler

b)

thermal conductivity

c)

safety shoes

50.

Types of Steam

a)

Wet Steam

b)

Dry Steam

c)

Superheated steam

51.

Water that is not boiling but is at the saturation temperature

a)

Saturated water

b)

saturated steam

c)

superheated steam

52.

At atmospheric pressure, the saturation temperature is _______

a)

0 deg C

b)

100 deg C

c)

500 deg C

53.

Water below 100 deg C is called _________

a)

superheated steam

b)

bottled water

c)

sub-cooled water

54.

When water is boiled into steam, its volume increases to about __________

a)

1600 times

b)

10 times

c)

safety gloves

d)

all of the choices

55.

What is A?

a)

Economizer

b)

Reheater

c)

Superheater

d)

Steam Drum

56.

What is D?

a)

Economizer

b)

Reheater

c)

Superheater

d)

Steam Drum

57.

What is C?

a)

Economizer

b)

Reheater

c)

Superheater

d)

Steam Drum

58.

_________ is a closed vessel where water is converted into steam at required pressure.

a)

Newton

b)

Generator

c)

Steam Boiler

59.

Most harmful impurities in steam

a)

CO3 and SO4

b)

Cl and Br

c)

NO3 and NO2

d)

Safety goggles

60.

Methods of Superheated steam temperature control.

a)

excess air

b)

tilting burners

c)

attemperator

d)

all of the choices

61.

______________ the reduction of temperature in superheated steam by spraying water into the piping

a)

desuperheating

b)

reheating

c)

steam turbine

d)

generator

62.

__________ is installed to supply air required for combustion

a)

induced draft fan (IDF)

b)

forced draft fan (FDF)

63.

__________ is installed at the inlet of a stack

a)

induced draft fan (IDF)

b)

forced draft fan (FDF)

64.

In __________, the air generally flows parallel to the rotational axis.

a)

centrifugal fan

b)

axial fan

c)

steam boiler

d)

generator

65.

Simplest and most common once-through boiler design is the ___________

a)

Adidas design

b)

Benson design

c)

Skechers

d)

Nike design

66.

Heat needed to change water into steam at saturated temperature.

a)

Latent Heat (of vaporization)

b)

Sensible Heat

c)

Heat transfer

67.

The amount of heat required to increase one KG. Of steam or water 1˚C without changing of state

a)

Latent Heat (of vaporization)

b)

Sensible Heat

c)

Heat transfer

68.

What is A?

a)

Combined

b)

Radiant

c)

Convective

69.

What is B?

a)

Combined

b)

Radiant

c)

Convective

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