Reducing the clearance between a valve stem and rocker arm will result in the valve ()
- Ahaving a shorter duration of opening
- Bhaving a longer duration of opening
- Cclosing sooner
- Dopening later
Reducing the clearance between a valve stem and rocker arm will result in the valve ()
1、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
2、If clearance between a piston and the
If clearance between a piston and the cylinder wall is excessive, piston slap will occurThe slap itself is caused by ()Aalternation of side ...
3、Valve lash, or clearance refers to the
Valve lash, or clearance refers to the ()Aclearance between the top of the valve stem and the rocker armBcompression of the valve springsCclearance between the valve seat inserts and the headDout of roundness of the fuel injection cam
4、The difference between the starboard a
The difference between the starboard and port drafts caused by shifting a weight transversely is().AlistBheelCtrimDflotatio
5、Reducing the liquid free surfaces in a
Reducing the liquid free surfaces in a vessel reduces the().Aroll periodBmetacentric heightCwaterplane areaDvessel's draft
6、The difference between international a
The difference between international and national Navtex Service is limited to().Afrequency allocatedBboth language and frequencyClanguage usedDtransmission power and time