An advantage of aluminum pistons, when compared to cast iron pistons is ().
To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorterThis results in ()
Trunk-type diesel engine pistons are most effectively cooled by heat()
(), we continued lifting out the pistons.
The usual number of single-acting pistons used in a variable stroke axial-piston pump is ().
Pistons may be made in () in order to keep the weight down for balancing purposes at high speed.
() provide the water to the pistons.
() provide the water to the pistons.
Trunk-type diesel engine pistons are most effectively cooled by heat()
Aluminum pistons have () coefficient of thermal expansion compared with those of cast iron.