Compressed air is supplied by air compression to （）.

[单选题]The compressed air is supplied by （） to the air reservoirs.A . compressorsB . forced fansC . ventilatorsD . generator

[单选题]The high air velocity leaving the compressor of an exhaust gas turbocharger is converted to pressure in the_______.A．inlet nozzle ringB．turbine wheel bladeC．diffuser passagesD．inlet volute

[单选题]The compressed air is admitted to each cylinder through a cam operated by starting air valve when the piston has just passed its （）.A . BDCB . TDCC . BBDCD . ATDC

[单选题]Compressed air is used on board ship （）.A . for starting diesel enginesB . in pneumatic control systemC . in pneumatic toolsD . All the above are true

[单选题]Cooling the intake air supplied to a diesel engine will （）.A . reduce mean effective pressureB . decrease average compression pressureC . decrease air charge densityD . increase power output

[单选题]Air cargo is （）A . air transportB . air freightC . air deliveryD . plane

[单选题]An air waybill is （ ）.A.flexibleB.negotiableC.non-negotiableD.transferable

[单选题]An air waybill is （ ）.A.flexibleB.negotiableC.non-negotiableD.transferable

[单选题]______no air or water, there would be no life in the world.A． There wasB． There wereC． Is thereD． Were there

[单选题]In a （） engine the charge of air in the cylinder before compression commences is above atmospheric pressure.A . pressure chargedB . naturally aspiratedC . contaminatedD . high speed diesel