單項(xiàng)選擇題

A safe fuel system must（）.

A.prevent engine overheating
B.have proper air/gasoline fuel mixture ratio
C.be liquid- and vapor-tight
D.supply sufficient air to the intake manifold

你可能感興趣的試題

單項(xiàng)選擇題

A petroleum liquid has a flash point of 135°Fahrenheit. This liquid is classed as a grade （）.

A.B flammable liquid
B.C flammable liquid
C.D combustible liquid
D.E combustible liquid

單項(xiàng)選擇題

A flame screen（）.

A.permits the passage of vapor but not of flame
B.prevents the passage of flammable vapors
C.prevents inert gas from leaving a tank
D.permits vapors to exit but not enter a tank

无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

A safe fuel system must（）.

你可能感興趣的試題

A petroleum liquid has a flash point of 135°Fahrenheit. This liquid is classed as a grade （）.

A flame screen（）.