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.
- Ajust
- Bnearly
- Cmerely
- Dalready
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1、4 When does the bank close on Sa turda
4 When does the bank close on Sa turday?AA At l：00 pmBB At 3：00 pmCC At 4：00 pm
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2、If the discharge valve is closed befor
If the discharge valve is closed before the drive motor is stopped, which of the following types of pumps will most likely be damaged?（）ACentrifugalBGearCPropellerDTurbine
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3、When does the bank close on Saturday?
When does the bank close on Saturday?AA AT 1:00 pmBB AT 3:00 pmCC AT 4:00 pm
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4、when does the bank close on Sunday ?
when does the bank close on Sunday ?Aat 1:00pmBat 3:00pmCat 4:00pm
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5、Intercoolers installed on starting air
Intercoolers installed on starting air compressors, reduce the possibility of（）Adust entering the high pressure stageBlube oil carbonizationCdischarge pulsationsDinter-stage vapor lock
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6、If the engine does start on air, but c
If the engine does start on air, but combustion does not immediately begin, the cause may not be （）.Alow compressionBfailure of the fuel pump to discharge fuelCincorrect timing of fuel pumpDturning gear being still o