Black Seal Low Pressure Practice Test | Quizlet

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

None Of The Above

Soot build-up on heating surfaces ______.

Both increases the amount of fuel and blocks heat transfer

Which of the following statements describes the difference between a typical safety, relief and a typical safety valve

As the pressure increases above the setpoint a relief valve gradually opens; on a safety valve, the valve opens fully at setpoint pressure

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

No Valve

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

Both Botton And Surface Dlowdown

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

Fuel Soleinoid Valve- which shuts off the fuel supply

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

Basic

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

Neutral

Definition of a boiler dry lay up: The procedure that is generally used in Boilers that are to be OUT OF SERVICE for extend periods of time (>30 Days) where an operator needs to drain, clean and thoroughly dry the insie of a Boiler: for this procedure what else needs to be done?

Close all valve and openings

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

Neither neutral nor basic

Blowing down is most effective when the steam output is

At a low rate

An draft fan is located after the furnace

Induced

The following is used to perform a steam boiler function test

Safety Valve

What is the statedwide code which outlines the requirements to attain a boiler's license in New Jersey

New Jersey Administrative Code

A low water level in a steam should activate inmediately

Securing The Boiler

How is the number of blowdowns determined by water chemistry?

The more the impurities, the more blowdowns must be perform

Oxygen Causes

Corrosion and Pitting

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

INSTALLER/SERVICE VERIFICATION OF FUNCTION TESTING AND OPERATION OF CONTROLS AND

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

to remove dirt and sediment from the glass

One therm of natural gas equals how many BTU

100,000

What prevents explosions in a boiler room

All of the above

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

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

A vent valve should be open up when

Both warming up and shutting down the boiler

The purpose of the boiler modulating pressure control is to:

prevent carry over

The number of blowdowns required is determined by

water chemistry

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