《汽车发动机构造(双语课程)》习题——项目一 任务一 发动机总体构造及安全操作规程(无答案).docx
项目一任务一发动机总体构造及安全操作规程
Item1Task1Useofcommontoolsandmeasuringtoolsforautomobileengines
一.判断题(对“√”,错“×”)(41题)
Ⅰ.Trueorfalsequestions(True“√”,false“×”)(41questions)
1.汽车的动力源是起动机。()
1.Thepowersourceofthecaristhestarter.()
2.活塞环包括气环和水环两种。()
2.Pistonringincludestwokindsofgasringandwaterring.()
3.曲柄连杆机构由机体组、活塞连杆组和曲轴飞轮组等三部分构成。()
3.Thecrankconnectingrodmechanismiscomposedofthreeparts:bodygroup,pistonconnectingrodgroupandcrankshaftflywheelgroup.()
4.四冲程发动机的工作循环包括四个活塞行程,即进气、作功、和排气。()
4.Theworkingcycleofafour-strokeengineconsistsoffourpistonstrokes,namely,intake,work,andexhaust.()
5.在安装气环时,各个气环的切口应该错位。()
5.Wheninstallinggasrings,thecutsofeachgasringshouldbemisaligned.()
6.气门式配气机构由气门组和气门起动组组成。()
6.Thevalvevalvemechanismiscomposedofavalvegroupandavalvestartinggroup.()
7.气门弹簧座是通过安装在气门杆尾部的凹槽或圆孔中的锁片或锁销固定的。()
7.Thevalvespringseatisfixedbyalockpieceorlockpininstalledinthegrooveorroundholeattheendofthevalverod.()
8.强制冷却水在发动机内进行循环的装置是水泵。()
8.Thedevicethatforcesthecoolingwatertocirculateintheengineisthepump.()
9.发动机的曲柄连杆机构采用压强润滑和飞溅润滑相结合的润滑方式。()
9.Thecrankconnectingrodmechanismoftheengineadoptsthelubricationmethodcombiningpressurelubricationandsplashlubrication.()
10.机油泵常见的结构形式有齿轮式和转子式机油泵。()
10.Thecommonstructureofoilpumpisgeartypeandrotortypeoilpump.()
11.活塞环有“三隙”:间隙、背隙和端隙。()
11.Thepistonringhasthreegaps:clearance,backclearanceandendclearance.()
12.一般水冷式发动机的冷却水温最佳范围为25—35℃。()
12.Thebestrangeofcoolingwatertemperatureofgeneralwater-cooledengineis25-35℃.()
13.曲轴变形,主要是指曲轴的弯曲变形。()
13.Crankshaftdeformation,mainlyreferstothebendingdeformationofthecrankshaft.()
14.将油箱中的燃油吸出来并送到燃油分配管中的元件是活塞。()
14.Theelementthatsucksthefueloutofthetankandsendsit