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Mechanical Engineering - IC Engines and Nuclear Power Plants

Exercise : IC Engines and Nuclear Power Plants - Section 4
21.
Which of the following statement is correct regarding normal cetaine?
It is a standard fuel used for knock rating of diesel engines.
Its chemical name is normal-hexadecane.
It has long carbon chain structure.
all ofthe above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has
high neutron absorption cross-section
low moderating efficiency
high neutron scatter cross-section
low neutron absorption cross-section
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
As compared to air standard cycle, in actual working, the effect of variation in specific heats is to
increase maximum pressure and maximum temperature
reduce maximum pressure and maximum temperature
increase maximum pressure and decrease maximum temperature
decrease maximum pressure and increase maximum temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The __________ engines can work on very lean mixture of fuel.
spark ignition
compression ignition
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The ignition quality of petrol is expressed by
cetane number
octane number
calorific value
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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