Mechanical Engineering - IC Engines and Nuclear Power Plants

1.
The reference fuels for knock rating of spark ignition engines would include
iso-octane and alpha-methyl naphthalene
normal octane and aniline
iso-octane and normal hexane
normal heptane and iso-octane
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
The diesel engines are also known as __________ engines.
compression ignition
spark ignition
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the
beginning of suction stroke
end of suction stroke
beginning of exhaust stroke
end of exhaust stroke
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
In hit and miss governing, the fuel supply is cut-off completely during one or more number of cycles.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be
25%
50%
70%
100%
Answer: Option
Explanation:
No answer description is available. Let's discuss.