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Mechanical Engineering - Steam Boilers and Engines

Exercise : Steam Boilers and Engines - Section 2
26.
Water tube boilers produce steam at a __________ pressure than that of fire tube boilers.
lower
higher
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The equivalent evaporation is defined as
the ratio of heat actually used in producing the steam to the heat liberated in the furnace
the amount of water evaporated or steam produced in kg per kg of fuel burnt
the amount of water evaporated from and at 100° C into dry and saturated steam
the evaporation of 15.653 kg of water per hour from and at 100° C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Locomotive boiler is a
single tube, horizontal, internally fired and stationary boiler
single tube, vertical, externally fired and stationary boiler
multitubular, horizontal, internally fired and mobile boiler
multitubular, horizontal, externally fired and stationary boiler
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The ratio of the __________ to the volume at cut-off is called expansion ratio.
swept volume
clearance volume
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
In water tube boilers, the water passes through the tubes which are surrounded by flames and hot gases.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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