Any increase in the exhaust back pressure of a four-stroke/cycle diesel engine will （）.

[单选题]A．ny increase in the exhaust back pressure of a four-stroke/cycle diesel enginewill( ).A．reduce engine horsepower outputB．aid in silencing the exhaust noiseC．increase the mean effective pressureD．contribute to effective cylinder scavenging

[试题](ii) Any increase or decrease in the group’s budgeted corporation tax liability for the year ending 30 June2008 due to the restructuring on the assumption that trading losses will be used as efficiently aspossible. (8 marks)

[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]An increase in the policy rate will most likely lead to an increase in:A.Bu

[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]E．xhaust gas pyrometers are useful forA．detecting faulty combustion in individual cylindersB．adjusting fuel racks to maintain equal loading between cylindersC．adjusting the load limit setting of the governor at idle conditionsD．calculating engine hor

[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]Scavenging is （） of exhaust gases by blowing in fresh air.A . the suctionB . the compressionC . the removalD . the deliver

[单选题]（） is the removal of exhaust gases by blowing in fresh air.A . Gas exchangeB . ChargingC . ScavengingD . Supercharging