Maryland Stationary Engineer Actual Exam Questions and 100% Accurate Verified Answers

Maryland Stationary Engineer Actual Exam
Questions and 100% Accurate Verified
Answers
Question 1
The boiler steam-pressure gauge is protected from high temperatures by
Correct Answer
siphon



Question 2
Flow meters measure the rate of flow of....

Correct Answer
A variety of fluids



Question 3
What should never be blown down during furnace operation?
Correct Answer
Water walls



Question 4
The primary function of a combustion control is to ensure....
Correct Answer
Boiler efficiency



Question 5
Thermocouples measure...
Correct Answer
Temperature




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,Question 6
Recorders are used to....
Correct Answer
Give an overall view of the Steam planet operation



Question 7
Pressure gauges are calibrated in pounds per?
Correct Answer
square inch



Question 8
Compressor does what?
Correct Answer
Changes low pressure gas to a high pressure liquid



Question 9
Boil the water must be conditioned to prevent ______ (3 Answers)
Correct Answer
Formation of scale, oxygen pitting, carryover



Question 10
Adirect cause oh overheating of the boiler tubes is.....
Correct Answer
Scale formation on the tubes



Question 11
In the event of a flame failure, the programmer will______
Correct Answer
Secure the fuel, purge the firebox, and then shut down




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,Question 12
Oxygen in the boiler will cause
Correct Answer
pitting of boiler metal



Question 13
Bituminous coal has a high ______ content
Correct Answer
Volatile



Question 14
Air needed for combustion of fuel is made up of approximately _________% oxygen
and ________ nitrogen
Correct Answer
20, 80



Question 15
What is the pressure applied on the boiler during a hydrostatic test?
Correct Answer
1.5 times the Maximum Allowed Working Pressure



Question 16
What is the three types of fire tubs boilers?
Correct Answer
1. Horizontal Return Tubular Boiler
2. Scotch Marine Boiler
3. Vertical Firetube Boiler




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, Question 17
Natural water may contain....
Correct Answer
Solids, gases, and other pollutants from industrial waste



Question 18
Light and a photoelectric cell are sometimes used to indicate
Correct Answer
smoke density



Question 19
The four elements that must be regulated in a combustion controlled system are...
Correct Answer
Fuel supply, air supply, ratio of air to fuel, removal of combustion gases



Question 20
Carbon monoxide (CO) in the flue gas indicates ______
Correct Answer
incomplete combustion



Question 21
The types of variable area flow meters are.... (2 Answers)
Correct Answer
Rotometer and Valve



Question 22
What is the cooling tower supply water temperature generally?
Correct Answer
80 degrees




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