FREE AND STUDY GAMES ABOUT LOW PRESSURE BOILER

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FREE AND STUDY GAMES ABOUT LOW PRESSURE BOILER

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -226 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: As the water in a hot water system expands:

Answer:

The pressure remains constant Question 2: The maximum temperature and pressure allowed on low pressure heating boilers is:

Answer:

250°F at 160 psi

Question 3: What is the minimum fine for not properly posting a licence?

Answer:

$500.00

Question 4: In order to verify the position of a fully open manual valve, the operator should

operate the handwheel:

Answer:

In the closed direction, then open the valve to the previously open position

Question 5: What # oil needs to be preheated with what piece of equipment?

Answer:

#6 oil with an oil heater Question 6: What protects the sewer line from the high temperature pressure coming from the boiler blowdown lines?

Answer:

Blowdown tanks

Question 7: What is the most important rule in operating boilers?

Answer:

Keep water are proper level

Question 8: When would a high suctii j line be used in a fuel tank?

Answer:

When there is sludge or water in the tank Question 9: What is the minimum size safety valve allowed on a low pressure boiler?

Answer:

3/4 inch Question 10: Combustion air is controlled by:

Answer:

Inlet dampers, fan intake vanes and fan speed

Question 11: Where should the boiler registration number be located?

Answer:

On the front of the boiler

Question 12: What type of test is a hardness test?

Answer:

A titration test

Question 13: The main purpose of testing a safety valve is to:

Answer:

Make sure it operates freely

Question 14: A furnace explosion can be prevented by _______.

Answer:

Purging after ignition failure Question 15: The low water fuel cut-off should be blown down:

Answer:

Daily

Question 16: A boiler that is priming has ______.

Answer:

Water carried over with the steam Question 17: The pressuretrol:

Answer:

Turns the burner on and off Question 18: To produce one pound for steam, it is necessary to evaporate:

Answer:

One pound of water

Question 19: When a baffle breaks in a fire tube boiler, what condition occurs?

Answer:

Increase in stack temperature Question 20: If water leaves the boiler at 170°, what temperature does it return at?

Answer:

150°

Question 21: When the heat energy in steam is lost, what happens to it?

Answer:

Turns to condensate Question 22: True or false: In a plant which has 100 HP total capacity, a licensed operator is not needed.

Answer:

True Question 23: Draft is a difference in pressure that causes:

Answer:

Air or gases to flow Question 24: The relieving capacity of a safety valve is measured in:

Answer:

Lbs./hr. that it is discharging

Question 25: What chemical prevents pitting?

Answer:

Sodium sulfate Question 26: The expansion tank in a hot water system allows for the expansion of:

Answer:

Water Question 27: When the vaporstat starts operating, it activates the:

Answer:

Fuel line solenoid valve Question 28: If the fire-eye or flame scanner shuts off because the main flame fails, what device does it secure?

Answer:

Fuel solenoid valve