Before starting any diesel or gasoline engine，which of the following must be checked? （）

[单选题]Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.A . open the bypass lineB . cut in the lube oil coolerC . pressurize the lube oil systemD . top off the expansion tank

[单选题]A diesel engine is similar to a gasoline engine except that the former has no （）.A . cross-headB . cylinderC . connecting rodD . spark plug

[单选题]A diesel engine burns （） a gasoline engine of the same capacity in the same period of time.A . as much fuel asB . less fuel thanC . less fuel asD . more fuel tha

[单选题]C．old weather starting of a diesel engine is more difficult than warm weather starting due toA．use of low viscosity oil in cold weatherB．increased moisture content of inlet air in cold weatherC．increased drag of pistons and bearings due to increased

[单选题]B．efore starting the engine, the air bottle should be ____.A．pumped upB．loadedC．dischargedD．closed

[单选题]Before hydraulic starting of an engine on a covered lifeboat，what need NOT be checked?（）A . Fuel supply line valveB . Pressure registered on the accumulator gaugeC . Cold-spark voltage readings test lampD . Engine stop control

[单选题]Before starting the engine the air bottle should be （）.A . pumped upB . loadedC . dischargedD . opened

[单选题]Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.A . the indicatorsB . the starting valvesC . the cylinder lubricatorsD . the turning gear

[单选题]D．iesel engine electric starting motors generally require heavier duty motors and motors and operate at higher voltages than comparable starting motors for gasoline engines due to _____________.A．higher speed requiredB．flywheel-effectC．lower starting

[单选题]The diesel engine must be started before it can run by it self For this purpose （） has to be used.A . a starting systemB . the starting airC . a starting operationD . A, B and C