Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

The amount of water evaporated from feed water at __________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.
A:
0°C
B:
40°C
C:
60°C
D:
100°C
Answer: D
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The diameter of superheated tubes in a locomotive boiler is
A:
13 mm
B:
31 mm
C:
130 mm
D:
230 mm
Answer: C
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The fittings mounted on the boiler for its proper and safe functioning is a
A:
water level indicatior
B:
pressure gauge
C:
safety valve
D:
all of these
Answer: D
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The average value of diagram factor lies between
A:
0.2 to 0.5
B:
0.5 to 0.65
C:
0.65 to 0.9
D:
0.8 to 1.2
Answer: C
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Fire tube boilers are limited to a maximum working pressure of
A:
0.17 MN/m2
B:
1.7 MN/m2
C:
17 MN/m2
D:
170 MN/m2
Answer: B
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