Cylinder是哪种基本物体（）。A、立方体B、圆柱体C、球体D、茶壶
Cylinder是哪种基本物体（）。
- A、立方体
- B、圆柱体
- C、球体
- D、茶壶
相关考题：
Each cylinder is closed at the top by a _____, made of a special heat-resistant steel.A.cylinder linerB.coupling flangeC.cylinder coverD.piston crown
The main factor which determines the output of each cylinder is _____.A.the cylinder weightB.the cylinder boreC.the cylinder lengthD.the cylinder cover
单选题Which of the listed problems would be indicated by an accumulation of water in one cylinder, in addition to the crankcase of an idle diesel engine?（）AExcessive cylinder linerBwater in the fuel systemCCracked cylinder linerDLeaking lube oil cooler
单选题The primary purpose of oil control rings on a diesel piston is to（）Aprovide a reservoir for cylinder lubricationBpump oil into the combustion space for cylinder coolingCprevent excessive lubricating oil consumptionDallow hydraulic oil film formation on the cylinder
单选题Fix the fuel injector into （） after repair.Athe cylinder linerBthe cylinder coverCthe cylinder jacketDthe piston
单选题One end of a diesel engine cylinder is sealed by the cylinder head and the other end by the （）AcrankcaseBpistonCcylinder linerDcrank cheek
单选题A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to （）Afeel the high pressure fuel lineBcheck the cylinder exhausts for white smoke frequentlyCcheck the cylinder exhaust temperatureDisolate each cylinder and inspect the injector
单选题The most practical way of detecting an overload in one cylinder of an operating large, low-speed ,main propulsion diesel engine is to （）Acheck the cylinder exhausts for black smokeBlisten for combustion knock in that cylinderCisolate each cylinder and inspect the injectorDcheck the cylinder exhaust temperature frequently
单选题Opening of the cylinder （） will admit compressed air into the cylinder.Asafety valveBindicator cockCblow-down valveDstart valve
单选题For Vee-form engines, （） is shaped to given two slopping surface on which （） are placed at the correct relative angle to each other.Athe bottom of the column；the cylinder blocksBthe top of the column；the cylinder headsCthe top of the column；the cylinder blocksDthe bottom of the column；the cylinder heads
单选题（）during the last repair?ADid you have No.4 cylinder repairBDo you have No.4 cylinder repairedCDidn’t you have No.4 cylinder repairingDDidn’t you have No.4 cylinder repaired
单选题If water is found in the crankcase of a diesel engine, the cause may be due to（）Aa cracked cylinder headBa leaky cylinder head gasketCa cracked cylinder linerDany of the above
单选题The main factor determining the output of each cylinder is the cylinder （）.AdensityBboreCweightDmaterial
单选题There is a support ring between the cylinder block and collar of the cylinder liner, thus carrying both the liner and the cylinder coverIt also passes to the cooling bores and to the cover（）Acooling waterBcooling oilCrefrigerantDlubricate oil
单选题The cylinder covers and the liners are bolted together by means of （）.Abolts welded into the cylinder headBbolts welded into the cylinder framesCstuds screwed into the cylinder headDstuds screwed into the cylinder frames
单选题Cracks in cylinder and cylinder covers may （） from unequal heating.AmakeBcauseCresultDproduce
单选题Diesel engine cylinder head test cocks are used to （）Acheck cylinder lubricationBconnect the pressure indicator pressureCtest cylinder headsDconnect the exhaust gas pyrometers
单选题The cylinder liners are made of （） and the cylinder surfaces are sometimes chromium-plated.AsteelBcopperCcast ironDstainless steel