A . are made of
B . are made from
C . make use of
D . are used to
[单选题]Modem engines （） exhaust gas driven turbo-chargers to supply pressurized fresh air for scavenging and supercharging.A . make use ofB . have made the use ofC . by means ofD . make advantage of
[单选题]Modem engines make use of exhaust gas driven turbo-chargers to supply pressurized fresh air for （） and supercharging.A . scavengingB . startingC . coolingD . blowing
[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]On most modern diesel engines, the main and connecting rod bearings receive their lubricating oil by （）.A . banjo feedB . splash feedC . gravity feedD . pressure feed
[单选题]Diesel engine exhaust gas temperatures can be used to determine individual cylinder （）.A . performanceB . horsepower outputC . fuel consumptionD . scavenge effect
[单选题]_______is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.A．An air receiverB．An operating valveC．An automatic valveD．An air distributor
[单选题]（） is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.A . An air receiverB . An operating valveC . An automatic valveD . An air distributor
[单选题]An electrically driven automatically operating auxiliary blower is provided for slow speed and （） of a low speed diesel engine.A . manoeuvring operationsB . bad combustionC . coolingD . mooring trial
[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