C．old weather starting of a diesel engine is more difficult than warm weather starting due to

A．use of low viscosity oil in cold weather

B．increased moisture content of inlet air in cold weather

C．increased drag of pistons and bearings due to increased oil viscosity

D．higher compression pressures reached due to smaller clearances existing in the engine during cold weather

[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]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]In cold, damp weather, the buildup of ice on airplane wings can pose significant aerodynamic problems. Which of the following effects would you expect?A．As ice builds up on the top of the wing, drag increases.B．As ice builds up on the top of the wing

[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 any diesel or gasoline engine，which of the following must be checked? （）A . Oil levelB . Flow of cooling waterC . Exhaust dischargeD . All of the above

[单选题]_____ the engines, the diesel engine is ____ used engine on boardA．Between / more commonlyB．Among / the most commonlyC．Between / not more commonlyD．Among / not the most commonly

[单选题]The heart of the diesel engine is the （） where the fuel is burnt and the power developed.A . crankcaseB . cylinderC . scavenge boxD . pisto

[单选题]The diesel engine is a type of （）.A . turbine engineB . gas turbineC . steam engineD . internal combustion engine