Answer is:
Limit of proportionality
Explanation:
Hooke's law hold good upto Limit of proportionality.
Answer is:
Heat resulting from compressing air that is supplied for combustion
Explanation:
The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to the mechanical compression. Hence diesel engines are also called as Compression ignition (C.I) engines.