Exhaust temperature increases in all cylinders, the possible cause may be_____(1) increased scavenging air temperature, (2) air in fuel pumps and fuel valves, (3) fouling of air and gas passages.

[单选题]Exhaust temperature increases in all cylinders, the possible cause may be（）(1) increased scavenging air temperature(2) air in fuel pumps and fuel valves(3) fouling of air and gas passagesA . (1)+(2)B . (1)+(3)C . (2)+(3)D . (1)+(2)+(3)

[单选题]The rising of the exhaust temperature in manifold pipe may NOT result from （）.A . too great a loadingB . fouled turbochargerC . bad combustionD . excessive air

[单选题]B．y comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine The device most commonly used is aA．tachometerB．pyrometerC．dynamometerD．calorimeter

[单选题]The best title for the text may be_____ .［A］ The Green Threat ［B］ Protecting Forests ［C］ Earth’s Liberation ［D］ Terrorism Defeated

[单选题]Once all cylinders are firing regularly, （） is shut off.A . the exhaust valveB . the starting airC . the inlet valveD . the fuel oil

Exhaust gases are generally removed from the cylinders of a two-stroke/cycle die

[主观题][ ] It may be possible to detect that a counterpart is lying by observing body language.

[单选题]E．xpenditure increased on all the following consumption EXCEPT ______.A．) foodB．) automobilesC．) educationD．) entertainment

[单选题]Which of the following may cause that an engine doesnt run on starting air?（）A . too low starting air pressureB . main start valve closedC . neither A nor BD . A and B

[单选题]Diesel engine exhaust temperatures may be used to indicate （）.A . leaking exhaust valvesB . an overloaded cylinderC . a clogged injector nozzleD . all of the above