Stationary Engineer local 99 214 questions with

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Stationary Engineer local 99| 214 questions| with complete solutions

Question 1: How much clearance from the top of the boiler is

needed for a HP boiler that produces 70000 lbs of steam?

CORRECT ANSWER : 7 feet

Question 2: On a gas fired boiler what is the proper gas to air

mixture

CORRECT ANSWER : 30%-70% and in special arrangements it

can be as high as 100% . ANSWER CHAPTER 11 remember%

Question 3: What is the total hardness in a system that was

found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm?

CORRECT ANSWER : TH=(Ca x 2.5) + (Mg x 4.1)\nTH=(60 x

2.5) + (18 x 4.1)\nTH= 150+73.8 =( 223.8 PPM)

Question 4: How often should a complete external inspection of

the boiler be done?

CORRECT ANSWER : Once a Shift

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Question 5: With 24 hr operation how often do you check the

water level?

CORRECT ANSWER : Once per shift

Question 6: How often do you check the LWCO?

CORRECT ANSWER: Once per shift

Question 7: How often do you check the High Limit Switch?

CORRECT ANSWER : Annually

Question 8: A 2" pipe was found to be delivering water at 100

psia at 1040ft per second. How many gallons per hour will it deliver?

CORRECT ANSWER : GPM= V (diameter squared) divided by

.4085 ANSWER pg 469 BOG

Question 9: What controls the amount of blowback on a safety

valve?

CORRECT ANSWER : Blowback ring or adjusting ring

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Question 10: On a open air expansion tank hot water boiler

system; how high should it be mounted?

CORRECT ANSWER : (4 Feet ) above the highest heating

element.

Question 11: What is the minimum top clearance of boilers with

manholes?

CORRECT ANSWER : 5 feet

Question 12: Package boilers; steam heating boilers and hot

water heating boilers shall have a minimum clearance of?

CORRECT ANSWER : 2 feet from ceiling. Code chapter 10

page76

Question 13: Most important safety device on a boiler?

CORRECT ANSWER : Safety relief valve

Question 14: What does a Black Liquor Boiler do?

CORRECT ANSWER : Black Liquor is the by product of wood

pulp processing in the paper making industry.

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Question 15: What does Black liquor boiler known for?

CORRECT ANSWER : Steam generation and recovery of soda

ash

Question 16: Maximum line voltage for control on a boiler?

CORRECT ANSWER : 150 volts

Question 17: Under what code are boilers designed and

constructed?

CORRECT ANSWER : ASME- CSD 1

Question 18: How many low water cut offs are needed per code

for a hot water system when a boiler has inputs greater than 400,000 btu per hr

CORRECT ANSWER : 1 LWCO is needed.

Question 19: What is the minimum and maximum size for a

safety valve per code for boilers?

CORRECT ANSWER : Minimum 3/4" and Maximum 4 1/2"

Question 20: What stamp is put on a boiler after repairs?