Thermodynamics - Mechanical Engineering Questions and Answers

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Otto cycle is also known as

constant pressure cycle

constant volume cycle

constant temperature cycle

constant temperature and pressure cycle

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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

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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

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The efficiency of a dual combustion cycle __________ upon cut-off ratio.

depends

does not depend