Mechanical Engineering - IC Engines and Nuclear Power Plants

11.
The indicated mean effective pressure of an engine is obtained from the indicator diagram drawn with the help of an engine indicator.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
A fuel of cetane number 40 has the same ignition quality as a mixture of
40% cetane and 60% alpha methyl napthalene
40% alpha methyl napthalene and 60% cetane
40% petrol and 60% diesel
40% diesel and 60% petrol
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
The two reference fuels used for cetane rating are
cetane and iso-octane
cetane and alpha-methyl naphthalene
cetane and normal heptane
cetane and tetra ethyl lead
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
In petrol engines, the delay period is of the order of
0.001 second
0.002 second
0.003 second
0.004 second
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
The reflectivity of a reflector is defined as the fraction of neutrons entering the reflector which are returned to the core.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.