Mechanical Engineering - IC Engines and Nuclear Power Plants

16.
The knocking tendency in spark ignition engines can be decreased by adding dopes like tetra ethyle lead and ethylene dibromide.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
If V1 is the jet velocity and V0 is the vehicle velocity, then the propulsive efficiency of a rocket is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
A diesel engine has compression ratio from
6 to 10
10 to 15
15 to 25
25 to 40
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
A petrol engine, during suction stroke draws
air only
petrol only
a mixture of petrol and air
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
A supercharged engine as compared to an ordinary engine
requires smaller foundation
is lighter
consumes less lubricating oil
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.