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Mechanical Engineering - Steam Boilers and Engines

Exercise : Steam Boilers and Engines - Section 2
21.
The relative efficiency is defined as the
ratio of thermal efficiency to Rankine efficiency
ratio of brake power to the indicated power
ratio of heat equivalent to indicated power to the energy supplied in steam
product of thermal efficiency and Rankine efficiency
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Benson boiler is a __________ water tube steam boiler using forced circulation of water.
low pressure
high pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Lancashire boiler has __________ internal flue tubes.
one
two
three
four
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Locomotive boiler is a __________ boiler.
fire tube
water tube
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
When steam after doing work in the cylinder passes into a condenser, the engine is said to be a
slow speed engine
vertical steam engine
condensing steam engine
non-condensing steam engine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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