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Mechanical Engineering - Thermodynamics

Exercise : Thermodynamics - Section 2
41.
Hydrogen is the __________ substance.
lightest
heaviest
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Otto cycle is also known as
constant pressure cycle
constant volume cycle
constant temperature cycle
constant temperature and pressure cycle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
For a perfect gas, according to Boyle's law (where p = Absolute pressure, v = Volume, and T = Absolute temperature)
p v = constant, if T is kept constant
v/T = constant, if p is kept constant
p/T = constant, if v is kept constant
T/p = constant, if v is kept constant
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Producer gas is obtained by
partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
carbonisation of bituminous coal
passing steam over incandescent coke
passing air and a large amount of steam over waste coal at about 650°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The efficiency of a dual combustion cycle __________ upon cut-off ratio.
depends
does not depend
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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