If the turbocharger of a four-stroke/cycle diesel engine fails to operate, which of the following statements best describes the probable effect?（）
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 the speed of a turbocharged diesel
If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）Adecrease until the engine speed increasesBincrease as the load increasesCdecrease as the loadDincreases remain unchanged
3、If the compensating needle valve of a
If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will （）Ahave a larger than normal dead b...
4、If the turbocharger failed on an auxil
If the turbocharger failed on an auxiliary diesel engine, which of the following conditions would probably occur?（）AFull power cannot be developedBThe exhaust will contain black smokeCComplete combustion will be impossibleDAll of the above
5、If the head pressure of a reciprocatin
If the head pressure of a reciprocating refrigeration compressor is excessive, （）.Athe relief valve should open before the high pressure cutout...
6、If the result of loading a vessel is a
If the result of loading a vessel is an increase in the height of the center of gravity,there will always be an increase in the（）.Ametacentric heightBrighting armCrighting momentDvertical moment