Piston compression rings used in a diesel engine function to （）
1、Oil control rings used in two-stroke/c
Oil control rings used in two-stroke/cycle diesel engines are located near the bottom of the piston skirt in order to （）Aincrease the liner ...
2、If the back clearance of a piston ring
If the back clearance of a piston ring is excessive,（）Acompression pressure in the cylinder will be higherBcarbon will accumulate behind the ringCcombustion gases will penetrate beneath the ring landDpiston side thrust will be increased
3、Excessive piston ring wear in a diesel
Excessive piston ring wear in a diesel engine will cause（）Ahigh lube oil viscosityBincreased lube oil consumptionClow lube oil temperaturesDhigh firing pressure
4、A diesel engine piston ring face is in
A diesel engine piston ring face is in direct contact with the （）.Atop of the ring grooveBcylinder liner oil filmCbottom of the ring grooveDback of the ring groove
5、A magnetic strainer is used in the die
A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles of（）.AwaterBbabbittCiron or steelDacid
6、The lowest ring of a piston is （）.
The lowest ring of a piston is （）.Aa coil springBa sealing ringCan oil distributor ringDmain seal ring