2Nd Class Fireman, High Pressure Boilers, Chapter 12, Exam

Front 1

One of the first duties of a boiler operator upon taking over a shift is to _____

Back 1

Check the water level in the boiler

Front 2

The best way to test a low-water fuel cutoff is with a(n) _____ test

Back 2

Evaporation

Front 3

The _____ shuts down the burner when the steam pressure increases to the setpoint and restarts the burner when the steam pressure decreases

Back 3

Operating Pressure Control

Front 4

A preventative maintenance program includes an annual internal and external boiler _____

Back 4

Inspection

Front 5

A boiler operator must act quickly when correcting the two most common potential emergency conditions: boiler high- or low-water conditions and _____

Back 5

Flame failure

Front 6

Lockout is the use of locks, chains, or other physical restraints to prevent the _____ of specific equipment

Back 6

Operation

Front 7

Containers that contain hazardous materials must be labeled, tagged, or marked with the identity of the hazardous material and appropriate _____

Back 7

Hazard warnings

Front 8

A class _____ fire includes burning wood, paper, textiles, and other ordinary combustible material containing carbon

Back 8

Class A

Front 9

When performing a manual test of a safety valve, the boiler must be at a pressure of at least _____ % of the safety valve popping pressure

Back 9

75

Front 10

_____ identifies how energy is used in a facility and recommends ways to improve efficiency and reduce costs

Back 10

An energy audit

Front 11

When taking over a shift, the boiler operator must first check the _____

Back 11

Water level on all boilers

Front 12

The low-water fuel cutoff can be tested by blowing down the low-water fuel cutoff or by ____

Back 12

Securing the feedwater and allowing the water level in the boiler to drop

Front 13

In order to prevent uneven expansion of the boiler on cold startup, the boiler must be ____

Back 13

Warmed up slowly

Front 14

During the startup, the boiler vent should remain open until a pressure of approximately _____ is reached

Back 14

15 psi

Front 15

A safety valve can be manually tested when the _____

Back 15

Pressure is at least 75% of MAWP

Front 16

Boilers equipped with a superheater must be protected during warm-up by _____

Back 16

Keeping the superheater drain valve open until the boiler is cut in on-line

Front 17

Superheaters are prevented from overheating by the circulation of _____

Back 17

Steam

Front 18

To ensure high heat transfer rates, _____ should be removed from boiler heating surfaces

Back 18

Soot

Front 19

During boiler shutdown, the ____ should be opened when the steam pressure in the boiler has dropped to 10 psi to 15 psi

Back 19

Boiler vent

Front 20

As the boiler is cooling down, the boiler operator must maintain _____

Back 20

The NOWL

Front 21

After a boiler has had major repair work done that could affect the boiler internals or has developed a low-water condition, it should be subjected to _____

Back 21

A hydrostatic test

Front 22

A _____ is used to verify the flame in a burner

Back 22

Flame scanner

Front 23

Boilers that are out of service for an extended period of time can be laid up with _____

Back 23

Dry lay-up

Front 24

Plant emergency procedures should be established by the ____

Back 24

Chief engineer

Front 25

What does a low-water fuel cutoff do? _____

Back 25

Shuts off the fuel supply

Front 26

A boiler that has experienced a low-water condition should be _____

Back 26

Thoroughly examined for signs of overheating

Front 27

A high-water condition in the boiler can be corrected by ____

Back 27

Performing a bottom blowdown

Front 28

If there is a danger of the boiler freezing, the boiler should be laid up _____

Back 28

Completely dry

Front 29

A furnace explosion can be caused by _____

Back 29

An accumulation of combustible gases

Front 30

The ASME code recommends that boilers be inspected internally and externally every _____

Back 30

Year

Front 31

Maintenance work performed inside a boiler requires a(n) _____, which contains procedures based on safety considerations for workers

Back 31

Confined space permit

Front 32

New or retubed boilers should be cleaned with _____

Back 32

Alkaline detergent

Front 33

The three ingredients needed to start a fire are fuel, heat, and _____

Back 33

Oxygen

Front 34

A fire caused by oil, gas, grease, or paint would be classified as a Class ______ fire

Back 34

Class B