更多"Wearing seat belts in cars is（）by l"的相关试题:
[单项选择]SEAT BELT（座椅安全带）开关AUTO位时，哪种情况FASTEN SEAT BELT和RETURN TO SEAT标志自动亮（）
A. 缝翼放出至少15度
B. 主起落架放出
C. 以上都对
[单项选择]Is that seat taken?（）
A. Please don't worry.
B. I don't think so.
C. Why not?
D. It's very nice.
[单项选择]Metal particles accumulated from the wearing of components in a diesel engine can result from lube oil that has been contaminated with（）.
A. abrasive particles
B. metallic oxides
C. corrosive acids
D. any or all of the above
[单项选择]Scuffed cylinder liner wearing surfaces in a diesel engines can result from （）
A. chromium plating piston rings
B. knurling the piston skirt
C. extended maximum power operation
D. applying load to a cold diesel engine
[单项选择]品牌seat的中文名称是（）
A. 雪佛兰
B. 雪铁龙
C. 克尔维特
D. 西雅特
[填空题]Cars
turn
into
dead
weapons
when
they
are driven
carelessly.
[单项选择]The purpose of the wearing rings used in a centrifugal pump is to （）.
A. prevent an internal explosion in the pump when it is overheated
B. enable a visual inspection of the pump while it is running
C. insure a proper alignment of the pump coupling to the driver
D. accommodate for friction between the impeller and the easing
[单项选择]What is the function of wearing rings found on some centrifugal pumps? （）
A. Absorb erosion of high velocity discharge stream
B. Seal pump shaft against entry of air
C. Isolate the outlet side from the inlet side
D. Dampen the turbulent discharge flow
[单项选择]In order to increase the wearing resistance, the cylinder liner surfaces are sometimes （）.
A. aluminum-plated
B. bronze-plated
C. zinc-plated
D. chromium-plated
[单项选择]One of the main functions of wearing rings, as used in a centrifugal pump, is to （）.
A. maintain radial alignment between the pump impeller and casing
B. absorb all impeller shaft end thrust
C. prevent water leakage to the atmosphere
D. prevent wear of the pump casing and/or impeller
[单项选择]What is a function of the wearing rings used in most centrifugal pumps?（）
A. Absorb erosion of high velocity discharge stream
B. Seal pump shaft against entry of air
C. Isolate the discharge side from the suction side
D. Dampen the turbulent discharge flow
[单项选择]Go that way a take a seat.（）
A. No, I‘m not tired.
B. Thanks, but I would rather stand.
C. Yes, that‘s a good way.
D. It doesn‘t matter.
[单项选择]Dirt lodged on the nozzle valve seat of a fuel injection nozzle will cause（）
A. erosion and cratering of the nozzle orifices
B. fuel leakage into the nozzle drain line
C. fuel leakage before and after injection
D. insufficient fuel delivery though that nozzle
[单项选择]I can hear the noise from cars（）
A. in night
B. at night
C. at evening
[单项选择]It is（）to reserve a seat on this train.
A. advisable
B. athletic
C. accessible
D. additional
[单项选择]GM envisions a system（）connects intelligent cars to each other and to remote servers in a vast, moving peer-to-peer network that would let them（）efficiently and in sync.
A. that; to travel
B. which; travel
C. where; travel
D. that; travel
[单项选择]Hello! Can I get a seat on the 8 pm flight Detroit?（）
A. Hello! International Airline.
B. You‘d better look up the schedule first.
C. I‘m sorry, but it‘s completely booked.
D. I‘m afraid you have to change.
[单项选择]Is it OK if I take this seat? Sorry,（）
A. here you are
B. take it
C. it's taken
D. never mind
