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Mechanical Engineering - Steam Boilers and Engines

Exercise : Steam Boilers and Engines - Section 4
6.
The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as
feedpump
injector
feed check valve
pressure gauge
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler ?
Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler.
Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler.
Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes.
Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
By compounding the expansion of steam in two or more cylinders, the ratio of expansion
does not change
increases
decreases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The water tubes in a simple vertical boiler are
horizontal
vertical
inclined
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as
equivalent evaporation
factor of evaporation
boiler efficiency
power of a boiler
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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