3RD CLASS STATIONARY STEAM ENGINEER LICENSE EXAM PRE
QUESTIONS AND ANSWERS GRADED A+
1. are necessary for complete combustion: time, temperature,
mix- ture, and atomization
2. if the steam pressure gauge indicates 200 PSIG, the absolute
pressure is : 214.7
3. a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI
and closes at 398 PSI. The blowdown is psi: 12
4. an oil cooler is commonly used with a(n) when operating in
conjunction with a turbo-generator: steam turbine
5. a boiler is producing 40,000lb of steam/hr at a pressure of 100 PSI and a
steam temperature of 500 degrees Fahrenheit. The steam produced is
steam: superheated
6. the economizer on a boiler is used to : add heat to the feed wate
7. blowers are normally used with boilers: water tube
8. overheating of tubes on a boiler can be caused by : scale on
tubes
9. carbon dioxide in a condensate return system causes :
channeling
10.a pump is a positive displacement pump: reciprocating
11.a boiler generating 6000 lb of steam/hr produces btu/hr:
6,000,000
12.a bottom blowdown is performed on a boiler to : discharge sludge
and sediment
13.water columns are connected to the boiler with a minimum of "
pipe: 1
14.the minimum size of a water column blowdown valve is ".: 3/4
15.the maximum size bottom blowdown valve on a boiler is ".: 2 1/2
16.a allows condensate to pass through, but stops Steam.: a
steam trap
17.when taking over a shift, the first thing to do is check the :
water level in each boiler
18.according to the asme code, a high-pressure boiler having more than
500 square feet of heating surface shall have : two or more safety
valves
,19.the probable cause of an increase in temperature of gases of
combustion at the boiler Outlet is : dirty heating services
20.boilers in battery equipped with must have two main steam
stop valves and a free-flowing drain between them: manhole openings
21.in order to be sure the gauge glass is indicating an accurate water
level reading, the stationary engineer should : blowdown the gauge
glass
22.a continuous blowdown line is located : in the Steam and water
drum well below the nowl
23.a temperature reading of 80 degrees Celsius is equal to °f: 176
, 24.a chimney temperature of 250 degrees Fahrenheit above steam
tempera- ture indicates : poor efficiency
25.a manometer is red in : inches of water
26.the boiling point of water will with an increase in pressure: be raised
27.if a lather is not obtained when performing a soap hardness test, the
water sample is : hard
28.combustion efficiency can be increased when air is : preheated
29. draft is produced by a fan located between the boiler and
the chimney: induced
30.the overspeed trip on a steam turbine should be tested :
before putting the steam turbine on-line
31.a high CO2 reading in the gases of combustion is a sign of :
High combustion efficiency
32.the purpose of chemically treating feedwater is to : turn scale-
form- ing salts to a non adhering sludge
33.water in a d rating feed water heater is prevented from entering the
steam line by a(n) .: Loop seal or internal overflow
34.a steam turbine operating at 3600 RPM will trip at rpm: 3960
35. he
steam line going to The Blowers is connected to the main :-
steam drum
36.before using blowers on a boiler, : drain set blower lines
37.an accumulation of snow on the Fireside of a boiler tubes :
de- creases boiler efficiency
38.a globe valve installed in the feed water line between the feed water
pump and boiler has a pressure from the feed water pump the valve
disc: under
39.the range of a pressure gauge should be twice the safety valve setting,
but not less than time (s) the safety valve setting: 1 1/2
40.hard scale formed on the inside of tubes is best removed by :
air- or water-driven turbines
41.to correct a low water condition, : secure fires
42.desuperheater drain is used to : establish steam flow
43.a sudden rise in chimney temperature with no increase in load
indi- cates : there is a broken baffle
44.the btu content of natural gas is : 100,000 btu/therm
45.the safety valve setting on the Steam and water drum is a
superheater safety valve: higher than
46.the btu content of number 6 fuel oil is approximately: 18750 BTU / lb
QUESTIONS AND ANSWERS GRADED A+
1. are necessary for complete combustion: time, temperature,
mix- ture, and atomization
2. if the steam pressure gauge indicates 200 PSIG, the absolute
pressure is : 214.7
3. a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI
and closes at 398 PSI. The blowdown is psi: 12
4. an oil cooler is commonly used with a(n) when operating in
conjunction with a turbo-generator: steam turbine
5. a boiler is producing 40,000lb of steam/hr at a pressure of 100 PSI and a
steam temperature of 500 degrees Fahrenheit. The steam produced is
steam: superheated
6. the economizer on a boiler is used to : add heat to the feed wate
7. blowers are normally used with boilers: water tube
8. overheating of tubes on a boiler can be caused by : scale on
tubes
9. carbon dioxide in a condensate return system causes :
channeling
10.a pump is a positive displacement pump: reciprocating
11.a boiler generating 6000 lb of steam/hr produces btu/hr:
6,000,000
12.a bottom blowdown is performed on a boiler to : discharge sludge
and sediment
13.water columns are connected to the boiler with a minimum of "
pipe: 1
14.the minimum size of a water column blowdown valve is ".: 3/4
15.the maximum size bottom blowdown valve on a boiler is ".: 2 1/2
16.a allows condensate to pass through, but stops Steam.: a
steam trap
17.when taking over a shift, the first thing to do is check the :
water level in each boiler
18.according to the asme code, a high-pressure boiler having more than
500 square feet of heating surface shall have : two or more safety
valves
,19.the probable cause of an increase in temperature of gases of
combustion at the boiler Outlet is : dirty heating services
20.boilers in battery equipped with must have two main steam
stop valves and a free-flowing drain between them: manhole openings
21.in order to be sure the gauge glass is indicating an accurate water
level reading, the stationary engineer should : blowdown the gauge
glass
22.a continuous blowdown line is located : in the Steam and water
drum well below the nowl
23.a temperature reading of 80 degrees Celsius is equal to °f: 176
, 24.a chimney temperature of 250 degrees Fahrenheit above steam
tempera- ture indicates : poor efficiency
25.a manometer is red in : inches of water
26.the boiling point of water will with an increase in pressure: be raised
27.if a lather is not obtained when performing a soap hardness test, the
water sample is : hard
28.combustion efficiency can be increased when air is : preheated
29. draft is produced by a fan located between the boiler and
the chimney: induced
30.the overspeed trip on a steam turbine should be tested :
before putting the steam turbine on-line
31.a high CO2 reading in the gases of combustion is a sign of :
High combustion efficiency
32.the purpose of chemically treating feedwater is to : turn scale-
form- ing salts to a non adhering sludge
33.water in a d rating feed water heater is prevented from entering the
steam line by a(n) .: Loop seal or internal overflow
34.a steam turbine operating at 3600 RPM will trip at rpm: 3960
35. he
steam line going to The Blowers is connected to the main :-
steam drum
36.before using blowers on a boiler, : drain set blower lines
37.an accumulation of snow on the Fireside of a boiler tubes :
de- creases boiler efficiency
38.a globe valve installed in the feed water line between the feed water
pump and boiler has a pressure from the feed water pump the valve
disc: under
39.the range of a pressure gauge should be twice the safety valve setting,
but not less than time (s) the safety valve setting: 1 1/2
40.hard scale formed on the inside of tubes is best removed by :
air- or water-driven turbines
41.to correct a low water condition, : secure fires
42.desuperheater drain is used to : establish steam flow
43.a sudden rise in chimney temperature with no increase in load
indi- cates : there is a broken baffle
44.the btu content of natural gas is : 100,000 btu/therm
45.the safety valve setting on the Steam and water drum is a
superheater safety valve: higher than
46.the btu content of number 6 fuel oil is approximately: 18750 BTU / lb
