Review 2 Flashcards

Quiz 2

1
Q

An initial EOP (Emergency operating permission) is good for 15 days only

A

True

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2
Q

One therm of natural gas equals how many Btu?

A

1,000,000

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3
Q

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

A

False

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4
Q

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

A

True

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5
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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6
Q

Contaminated oxygen is not required for the combustion of fuel.

A

True

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7
Q

Logbooks must be hardbound and have consecutively numbered pages.

A

True

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8
Q

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

A

Neither neutral nor Basic

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9
Q

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

A

False

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10
Q

A safety relief valve on a low pressure hot water boiler may be set at 160 psig

A

True

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11
Q

A boiler with very clean water does not require water treatment

A

False

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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

Boiler water is treated to remove nitrogen from the water

A

False

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14
Q

Is a welded repair allowed on the pressure retaining area of a boiler or pressure vessel?

A

False

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15
Q

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

A

True

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16
Q

Impurities that increase the density of the boiler water are removed by:

A

both bottom and surface blowdown

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17
Q

A vent valve should be opened up when:

A

Both warming up and shutting down the boiler

18
Q

Soot build-up on heating surfaces

A

both increases the amount of fuel and blocks heat transfer

19
Q

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

A

False

20
Q

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

A

True

21
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

Return the water to the boiler while the boiler is idle

22
Q

A boiler with water at a pH level of 7 will be considered alkaline/basic.

A

False

23
Q

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

A

to remove dirt and sediment from the glass

24
Q

A safety relief valve is considered the most important fitting.

A

True

25
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

26
Q

A dirty sight glass in a steam boiler is a violation in the State of NJ.

A

True

27
Q

What prevents explosions in a boiler room?

A

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

28
Q

A(n} _________draft fan is located after the furnace.

A

Induced

29
Q

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

A

false

30
Q

Blowing down is most effective when the steam output is _________

A

at a low rate

31
Q

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

A

True

32
Q

The following is used to perform a steam boiler function test.

A

Safety valve

33
Q

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

A

False

34
Q

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

A

False

35
Q

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

A

True

36
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

37
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

38
Q

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

A

True

39
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

40
Q

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

A

True