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Low Pressure Boilers > Review 3 > Flashcards

Review 3 Flashcards

Quiz 3

1
Q

If a substance has a pH level that is 7 it is considered to be:

A

Neutral

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2
Q

On a safety valve the valve opens fully at setpoint pressure.

A

True

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3
Q

As the pressure increases above the set point, a relief valve gradually opens

A

True

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4
Q

The minimum penalty for cheating on the boiler exam is $600

A

False

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5
Q

Boiler water is treated to remove nitrogen from the water.

A

False

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6
Q

Induced draft means that there is a fan on the back end of the system (by the chimney).

A

True

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7
Q

An air receiver with 16 psig rating is a pressure vessel

A

True

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8
Q

Definition of a boiler dry lay-up: the procedure that is generally used in boilers that are to be out of service for extended periods of time (30 Days) where an operator needs to drain, clean and thoroughly dry the inside of a boiler.
For this procedure, what else needs to be done?

A

Close all valves and openings

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9
Q

Cast-iron is a material that can be used to build a boiler.

A

True

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10
Q

A safety relief valve is considered the most important fitting.

A

True

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11
Q

In NJ a form must be filled out by the boiler installer prior to operating a new unit.
That form is called:

A

INSTALLER TESTING AND OPERATION OF CONTROLS AND SAFETY DEVICES FOR ALL BOILERS

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12
Q

A low pressure black seal operator is required in a multi-dwelling complex (apartment complex) when the boilers total 4,000,000 btus.

A

False

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13
Q

If you have a small steam leak in your plant, this is a state violation.

A

True

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14
Q

When a boiler has an unsafe level of water, what device is electronically activated?

A

Fuel solenoid valve- which shuts off the fuel supply

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15
Q

A low water level in a steam boiler should activate_________ immediately.

A

automatic feed

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16
Q

In accordance with accepted practice, the type of valve located between the boiler and the safety valve must be a/an:

A

NO Valve

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17
Q

A vent valve should be opened up when:

A

Both warming up and shutting down the boiler

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18
Q

The number of blowdowns required is determined by?

A

Water Chemistry

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19
Q

A leaking safety valve can be plugged to avoid wasting water until it is repaired.

A

False

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20
Q

NJ BBPVC published an advisory that states that a backflow preventer cannot be used to replace a metal check valve.

A

True

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21
Q

Why should the gauge glass on a steam boiler be blown down regularly?

A

to remove dirt and sediment from the glass

22
Q

A boiler license is required when a low pressure steam boiler is rated 4,001 lbs/hr

A

True

23
Q

What prevents explosions in a boiler room?

A

> the purge cycle during the sequence of operation
testing the low-water cut-off
the BMS

24
Q

Oxygen Causes:

A

Corrosion and pitting

25
Q

After boiler repairs are made, installer/service verification of function testing must be completed.

A

True

26
Q

An operator can frame and display a photocopy of his/her boiler license in the boiler room.

A

False

27
Q

Violations from the State of New Jersey have a maximum penalty of $6000

A

False

28
Q

A vacuum pump is used to create negative pressure.

A

True

29
Q

The maximum pressure setting allowed on a low pressure hydronic system is 170 psig.

A

False

30
Q

Logbooks must be hardbound and have consecutively numbered pages.

A

True

31
Q

If a substance has a pH level that is below 7 it is considered to be:

A

neither neutral nor basic

32
Q

The main reason make-up water is added to the boiler is to:

A

Replenish water that has been lost and to supply enough water to keep the proper amount of steam flowing

33
Q

A low pressure license may be used in two locations so far as the operator has the license in his/her possession.

A

False

34
Q

When oil strainers are cleaned properly, suction readings will be high

A

True

35
Q

To summarize N.J.A.C. 12:90-8.20, the BBPVC may grant permission in case of an emergency for a period not to exceed 15 days for an unlicensed person to operate a boiler.

A

True

36
Q

What is the statewide code which outlines the requirements to attain a boiler’s license in New Jersey?

A

New Jersey Administrative Code

37
Q

The primary function of adding make-up water to a system is to:

A

Replenish water that has been lost and to supply enough water to keep the proper amount of steam flowing

38
Q

The maximum setting allowed on a low pressure steam boiler safety valve is 15 psi.

A

True

39
Q

Contaminated oxygen is not required for the combustion of fuel.

A

True

40
Q

Most low pressure hydronic systems (hot water systems) utilize radiators to supply heat.

A

True

41
Q

Sediment can be removed by performing a bottom blowdown.

A

True

42
Q

A boiler inspector has the right to inspect the boiler without notice.

A

True

43
Q

All valves are not closed when completing a dry lay-up

A

False

44
Q

A safety valve on a low pressure steam boiler may be rated at 30 psig.

A

True

45
Q

One therm of natural gas equals how many Btu?

A

100,000

46
Q

Soot is an insulator and it blocks heat transfer.

A

True

47
Q

If a substance has a pH level that is above 7 it is considered to be:

A

Basic

48
Q

The purpose of the boiler modulating pressure control is to:

A

regulate the high and low firing rates of the burner

49
Q

A boiler pressure control device (pressuretrol) is not needed to control pressure in a steam boiler.

A

False

50
Q

Should an incident occur in the boiler room, you must immediately contact the Chief Inspector in Trenton.

A

True

51
Q

Bottom blowdown works best when the boiler is in high fire.

A

False

Low Pressure Boilers (8 decks)

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