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Mechanical Engineering - Thermodynamics

Exercise : Thermodynamics - Section 4
16.
Which of the following is the correct statement?
For a given compression ratio, both Otto and Diesel cycles have the same efficiency.
For a given compression ratio, Otto cycle is more efficient than Diesel cycle.
For a given compression ratio, Diesel cycle is more efficient than Otto cycle.
The efficiency of Otto or Diessel cycle has nothing to do with compressioin ratio.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The temperature at which the volume of a gas becomes zero is called
absolute scale of temperature
absolute zero temperature
absolute temperature
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The heating of gas at constant volume is governed by
Boyle's law
Charles' law
Gay-Lussac law
Avogadro's law
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The absolute pressure of a given mass of a perfect gas varies inversely as its volume, when the temperature remains constant. This statement is known as Boyle's law.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The fuel mostly used in cement industry and in metallurgical processes is
wood charcoal
bituminous coke
pulverised coal
coke
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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