B．efore starting the engine, the air bottle should be ____.

A．pumped up

B．loaded

C．discharged

D．closed

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

[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 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]During the inspection, the starting air valves should be closed （） the engine from turning.A . to increaseB . to speed upC . to preventD . to reduce

[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]When the starting air valve closes on one cylinder, another starting air valve has （） opened on another cylinder whose piston has just commenced its downward stroke.A . justB . nearlyC . merelyD . already

[单选题]During （）, the starting air valves should be closed to prevent the engine from turning.A . overhaulB . runningC . blowing downD . All of the above are correct

[单选题]The total starting air capacity required for reversible main engines is to be sufficient for at least （）.A . six consecutive startsB . eight consecutive startsC . ten consecutive startsD . twelve consecutive start

[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]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