A . by turning the pump plunger
B . by vary the fuel valve spring force
C . by no means by controlling the governor
D . by enlarging or diminishing the injection hole
[单选题]The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the （） caused by the friction at the bearings.A . acidsB . additivesC . heatD . gear
[单选题]The amount of fuel injected in a particular time, or degree, of crankshaft rotation is termed （）.A . meteringB . timingC . rate of injectionD . rate of distributio
[单选题]F．uel droplets injected into a diesel engine cylinder must have adequate penetration to ____.A．prolong the ignition delay periodB．ensure the beginning of fuel injectionC．thoroughly utilize the air chargeD．allow controlled fuel combustion
[单选题]When fuel is injected late into a diesel engine cylinder_______.A．the exhaust will be clearB．fuel consumption will be lowC．all the fuel will be burned at top dead centerD．fuel consumption will be high
[单选题]Generally speaking，the fuel injected into a marine diesel engine combustion chamber is ignited by（）.A . spark plugsB . glow plugsC . heat of compressionD . a magneto
During ______ fuel is injected and burnt.A. the suction strokeB. the power strok
[单选题]If quantity supplied of refrigerators exceeds quantity demanded at the curr
[单选题]（）is the operation to check the quantity, quality and package of the goods according to the contract and the specific standard.A . InspectionB . ExaminationC . ControlD . Test
[单选题]CY-CY运输条款是（）。A . 门-场B . 场-门C . 门-门D . 场-场