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Boilers > Steam Boilers Module 15 Session 7 > Flashcards

Steam Boilers Module 15 Session 7 Flashcards

1
Q

A clogged vent line on a fuel oil tank being filled with fuel oil could result in a ____________.
A. Loss of suction
B. Pressure buildup, which would cause an oil spill
C. Loss of pressure
D. No vents are allowed on fuel oil tanks

A

B. Pressure buildup, which would cause an oil spill

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2
Q

A high suction line on a fuel oil tank is used when ____________.
A. The tank is full
B. The tank is low on fuel
C. Signs of sludge and water are evident in the tank
D. Changing over tanks

A

C. Signs of sludge and water are evident in the tank

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3
Q

In both steam and air atomizing burners, atomization is accomplished by ____________.
A. Live steam and air
B. High fuel oil pressure
C. The sprayer plate
D. Low temperature, high pressure fuel oil

A

A. Live steam and air

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4
Q

The pneumercator is used to ____________.
A. Indicate gallons of fuel oil in the tank
B. Supply primary air to the burner
C. Indicate fuel burned in a 24-hour shift
D. Indicate gallons of makeup used

A

A. Indicate gallons of fuel oil in the tank

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5
Q 
An indication of a dirty fuel oil strainer would be \_\_\_\_\_\_\_\_\_\_\_\_  across the strainer.
A. A large pressure drop
B. An equalized pressure
C. A slight pressure drop
D. No change in pressure
A

A. A large pressure drop

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6
Q 
Fuel oil heaters must be used when burning No. \_\_\_\_\_\_\_\_\_\_\_\_  fuel oil.
A. 1
B. 2
C. 4
D. 6
A

D. 6

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7
Q

Fuel oil heaters must be protected from excessive fuel oil pressure because they are located ____________ the fuel pumps.
A. Above
B. On the suction side of
C. On the discharge side of
D. They need no protection due to internal bypass

A

C. On the discharge side of

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8
Q 
The rotary cup burner atomizes fuel oil using \_\_\_\_\_\_\_\_\_\_\_\_.
A. Pressure
B. A spinning cup
C. A spinning cup and high velocity air
D. An air nozzle
A

C. A spinning cup and high velocity air

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9
Q 
In a low pressure gas burner, a \_\_\_\_\_\_\_\_\_\_\_\_ shuts off the gas supply if a low water condition exists.
A. Pressure control
B. Zero-reducing governor
C. Manual reset valve
D. Vapor stat
A

C. Manual reset valve

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10
Q

In a pressure atomizing burner, atomization is accomplished by ____________.
A. High pressure gas in the burner blower
B. Rotating, high pressure oil coming out of the plug or sprayer plate
C. Air or steam mixing with the oil
D. The low temperature, high pressure oil supplied to the burner

A

B. Rotating, high pressure oil coming out of the plug or sprayer plate

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11
Q 
A gas pressure regulator is used to control the \_\_\_\_\_\_\_\_\_\_\_\_.
A. Flow of gases of combustion
B. Desired pressure at the burner
C. Air flow going to the burner
D. Mixture of air and gas
A

B. Desired pressure at the burner

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12
Q

A solenoid valve is a direct-acting valve in the gas system and is used ____________.
A. To regulate the flow of gas to the burner
B. To regulate the flow of air to the burner
C. As an automatic gas shutoff valve
D. As a gas return valve

A

C. As an automatic gas shutoff valve

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13
Q 
To prevent caking and to dry the coal entering the pulverizer, which of the following is used?
A. Heating coils
B. Electric pipe heaters
C. Warm air
D. Dryers
A

C. Warm air

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14
Q 
Blowers are used in a high pressure gas system to \_\_\_\_\_\_\_\_\_\_\_\_.
A. Supply air for combustion
B. Remove gases of combustion
C. Regulate the flow of gas
D. Cool the combustion chamber
A

A. Supply air for combustion

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15
Q 
The gas pressure reducing valve in the low pressure gas system reduces the gas pressure to \_\_\_\_\_\_\_\_\_\_\_\_psi.
A. 0
B. 5
C. 10
D. 15
A

A. 0

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16
Q 
The amount of gas drawn into the air stream in a low pressure gas system is controlled by the \_\_\_\_\_\_\_\_\_\_\_\_.
A. Manual reset valve
B. Check valve
C. Venturi effect
D. Flow control valve
A

C. Venturi effect

17
Q 
The volume of gas to the burner in a high pressure gas system is controlled by a \_\_\_\_\_\_\_\_\_\_\_\_ valve.
A. Solenoid
B. Manual reset
C. Check
D. Butterfly
A

D. Butterfly

18
Q 
Boilers are equipped with a combination gas/fuel oil burner for \_\_\_\_\_\_\_\_\_\_\_\_.
A. Greater efficiency
B. More flexible operation
C. Safer operation
D. Higher rates of combustion
A

B. More flexible operation

19
Q 
Combination gas/fuel oil burners are designed to use a \_\_\_\_\_\_\_\_\_\_\_\_ burner in conjunction with either a rotary cup burner or a pressure atomizing burner.
A. High pressure gas
B. Coal
C. Propane
D. Low pressure gas
A

A. High pressure gas

20
Q 
Using a combination gas/fuel oil burner is essentially the same as having a high pressure gas burner system and a fuel oil burner connected together at the \_\_\_\_\_\_\_\_\_\_\_\_.
A. Burner throat 
B. Gas ports
C. Air jet
D. Suction chamber
A

A. Burner throat

21
Q

The underfeedstoker can burn ____________.
A. Only anthracite coal
B. Only bituminous coal
C. Anthracite or bituminous coal
D. Only coal with a highly volatile content

A

C. Anthracite or bituminous coal

22
Q 
Spreader stokers burn coal
A. Only in suspension
B. Only on grates
C. In suspension and on grates
D. In retorts
A

C. In suspension and on grates

23
Q 
To achieve complete combustion in a spreader stoker, air is introduced \_\_\_\_\_\_\_\_\_\_\_\_.
A. Under and over the fuel bed
B. Only under the fuel bed
C. Only over the fuel bed
D. Using an induced draft fan
A

A. Under and over the fuel bed

24
Q 
The thickness of the fuel bed on a chain grate stoker is regulated by a coal \_\_\_\_\_\_\_\_\_\_\_\_.
A. Conveyor
B. Scale
C. Hopper
D. Gate
25
Q 
Pulverized coal burns in \_\_\_\_\_\_\_\_\_\_\_\_.
A. Inclined grates
B. Suspension
C. Suspension and on grates
D. The pulverizer
A

B. Suspension

26
Q 
Which of the following describes the heat that is a product of processes in a plant?
A. Waste heat
B. Pulverizations
C. Regulation
D. Clean heat
A

A. Waste heat

27
Q 
By using \_\_\_\_\_\_\_\_\_\_\_\_ , it is possible for one plant to supply all of the required electricity, process steam, heated water, and air conditioning needed for the facility.
A. Pulverized coal burners
B. Chain grade stokers
C. Cogeneration
D. Fuel Oil
A

C. Cogeneration

28
Q 
The primary use for a \_\_\_\_\_\_\_\_\_\_\_\_ is to minimize wasted heat by using the heat to produce hot water or steam for plant heating.
A. Waste heat boilers
B. Chain grade stoker
C. Pulverized coal burner
D. Recycling water center
A

A. Waste heat boilers

29
Q

The pneumercator is used to ______________,
A. Indicate gallons of fuel oil in the tank
B. Supply primary air to the burner
C. Indicate fuel burned in a 24-hour shift
D. Indicate gallons of makeup used

A

A. Indicate gallons of fuel oil in the tank

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