engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Mechanic Diesel Engine Performance and Rating
Which of the following is true for an internal combustion engine?
1
Cost of air-cooled system is considerably higher than that of liquid-cooled system.
2
Air-cooled system is used for big sized engine while liquid-cooled system is used for smaller sized engine.
3
Thermosiphon system is a type of air-cooled system.
4
Evaporative cooling system is a type of liquid-cooled system.