Leaky exhaust valve will result in which of the following?（）

(1) high exhaust temperature;

(2) low compression pressure;

(3) low firing pressure.

[单选题]Exhaust valve grooving and corrosion is caused by certain components of residual fuel oilThese components are sodium, sulfur, and （）.A . vanadiumB . carbonC . copperD . ash

[单选题]The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by （）.A . direct action of cam shaftB . compressed air pressureC . hydraulic “push rods”D . direct action of the main piston movin

[单选题]Which of the following is the result of the volcanic eruption?A． People stop traveling in EuropeB． Airlines suffer from the loss of planesC． It becomes dangerous for animals to eat outsideD． Farmers have lost many of their animals

[单选题]Which of the following is the result of the volcanic eruption?A．People stop traveling in EuropeB．Airlines suffer from the loss of planesC．It becomes dangerous for animals to eat outsideD．Parmers have lost many of their animals

[单选题]Valve overlap is the period during which （）.A . the inlet valve is openB . the exhaust valve is openC . both valves are closedD . both valves are ope

[单选题]Which of the following would most likely result in a current liability?A.Po

[单选题]Which of the following is the most likely result of an internally, financed

[单选题]An increase in which of the following ratios would most likely result in an

[单选题]Which of the following is the proper pronunciation of "meet you" as a resul

[单选题]Which of the following will most likely result in an increase in a company'