Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger? .

A．Reduce engine speed to idle before removing the filter

B．Soak the dirty filter in kerosene only

C．Blow out the air inlet with compressed air

D．Cover the air inlet after removing the filter

[单选题]Which of the following problems is the main source of fuel pump and injection system malfunctions?A．Improper lubricationB．Air in the fuel systemC．Coated fuel linesD．Excessive vibration

[单选题]10 Which of the following costs should be included in valuing inventories of finished goods held by a manufacturingcompany, according to IAS2 Inventories?1 Carriage inwards.2 Carriage outwards.3 Depreciation of factory plant.4 Accounts department cos

[单选题]Which of the following problems may occur if the opening pressure of a fuel injection nozzle is greater than specified by the engine manufacturer?（）A . The amount of fuel injected will be increasedB . The start of injection will be retardedC . The no

[单选题]Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?（）A . Defective temperature controls in the systemB . Cavitation in the cooling water pumpC . Opened vent in the cooling s

[单选题]Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?A．Corrosion and eventual failure of the tankB．Gumming of the tank relief valvesC．Immediate failure of components downstream of the

[单选题]Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?A．A shortage of liquid refrigerant.B．Excessive frost on the evaporator.C．Excessive condenser cooling water.D．Insufficien

[单选题]According to International Financial Reporting Standards, which of the foll

[单选题]The intervals in a frequency distribution should always have which of the f

[单选题]Which of the following should least likely be included as a constraint in a

[单选题]Which indefinite article \"a\" should be read emphatically in the following