Acts when external load is applied
Becomes zero when external load is removed
Is independent of external loads
Is always harmful
Law of gravitation
Archimedes principle
Principle of buoyancy
All of the above
Fuel pump
Governor
Injector
Carburettor
1539 °C
1610 °C
1489 °C
1712 °C
Remain same
Increase
Decrease
Depends upon rate of loading