Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as
A:
steam condenser
B:
steam boiler
C:
steam preheater
D:
economiser
Answer: A
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A water level indicator is a device to indicate the exact water level in the boiler at any instant.
A:
True
B:
False
C:
D:
Answer: A
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In surface condensers, the condensate and the cooling water mixes up.
A:
True
B:
False
C:
D:
Answer: B
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The indicated thermal efficiency is defined as the
A:
ratio of thermal efficiency to the Rankine efficiency
B:
ratio of brake power to the indicated power
C:
ratio of heat equivalent to indicated power to the energy supplied in steam
D:
product of thermal efficiency and Rankine efficiency
Answer: C
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The length of Cornish boiler varies from
A:
2 to 4.5 m
B:
3 to 5 m
C:
5 to 7.5 m
D:
7 to 9 m
Answer: C
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