An electrically driven automatically operating auxiliary blower is provided for slow speed and （） of a low speed diesel engine.

[单选题]Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.A . increasing the volume of intake airB . shutting off the fuel supplyC . increasing the engine back pressureD . over-speeding the engine

[单选题]Excessive vibration of an automatically fired auxiliary boiler can be caused by （）A . air or water in the furnaceB . combustion pulsesC . fuel oil pump failureD . flame failure

[单选题]A governor automatically controls engine speed by regulating （）.A . fuel supplyB . firing orderC . engine loadD . oil level

[单选题]It is pretty hopeless as a venue for opera, it took years to build, its architect was forced to resign and it was never properly finished inside. None of this matters. The Sydney Opera House, by the reclusive Danish architect Jorn Utzon, is the mothe

[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]Camshafts are usually driven by timing gears or （）.A . push rodsB . chain drivesC . rocker armsD . flywheel

[单选题]Jim: I have a pair of tickets for an opera Saturday night. Would you like to go? Cindy: I don't think so. ______.A．I'm not too wild about operaB．I'm not too interested about operaC．I'm not very excited about operaD．I'm not very anxious about ope

[单选题] (74) is a single-user multi-task operating system．(74)A． MS-DOSB． WindowsC．UNIXD．Linux

[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