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【多选题】
坚持以人为本要求( )
A.
发展为了人民
B.
发展依靠人民
C.
发展的成果由人民共享
D.
不断推动人的全面发展
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【单选题】Diesel engines are considered safer than gasoline engines because ______．
A.
They are more heavily built
B.
The fuel used is less volatile
C.
They can be easily reversed
D.
They operate at a lower speed
查看完整题目与答案
【单选题】Some diesel engines are supercharged with a （）
A.
slam charger
B.
turbocharger
C.
fuel atomizer
D.
fuel injector
查看完整题目与答案
【单选题】下长坡连续使用行车制动会导致什么？
A.
会缩短发动机寿命
B.
增加驾驶人的劳动强度
C.
会使制动器温度升高而使制动效果急剧下降
D.
容易造成车辆倾翻
查看完整题目与答案
【单选题】Diesel engines are classified as reciprocating internal combustion engines because they
A.
rn fuel in a chamber where its energy moves a piston up and down
B.
use energy from fuel burned outside their cylinders
C.
a continuous combustion process to impart rotary motion to the pistons
D.
burn fuel in a combustion chamber that moves back and forth
查看完整题目与答案
【单选题】In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.
A.
stop your engines
B.
sound the danger signal at two-minute intervals
C.
hold course and speed until the other vessel is sighted
D.
take avoiding action as soon as possible
查看完整题目与答案
【单选题】Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine _____.
A.
camshaft beatings
B.
main bearings
C.
piston crowns
D.
cylinder walls
查看完整题目与答案
【单选题】Diesel engines are considered safer than gasoline engines because.
A.
they are more heavily built
B.
the fuel used is less volatile
C.
they can be easily reversed
D.
they operate at a lower speed
查看完整题目与答案
【单选题】Diesel engines are classified as reciprocating internal combustion engines because they
A.
use energy from fuel burned outside their cylinders
B.
burn fuel in a combustion chamber that moves back and forth
C.
burn fuel in a chamber where its energy moves a piston back and forth
D.
use a continuous combustion process to impart rotary motion to the pistons
查看完整题目与答案
【简答题】下长坡连续使用行车制动会导致什么？
查看完整题目与答案
【单选题】Diesel engines are started by supplying into the cylinders in the appropriate sequence for the required direction.
A.
cooling water
B.
compressing air
C.
compressed air
D.
cylinder oil
查看完整题目与答案
相关题目：
【单选题】Diesel engines are considered safer than gasoline engines because ______．
A.
They are more heavily built
B.
The fuel used is less volatile
C.
They can be easily reversed
D.
They operate at a lower speed
查看完整题目与答案
【单选题】Some diesel engines are supercharged with a （）
A.
slam charger
B.
turbocharger
C.
fuel atomizer
D.
fuel injector
查看完整题目与答案
【单选题】下长坡连续使用行车制动会导致什么？
A.
会缩短发动机寿命
B.
增加驾驶人的劳动强度
C.
会使制动器温度升高而使制动效果急剧下降
D.
容易造成车辆倾翻
查看完整题目与答案
【单选题】Diesel engines are classified as reciprocating internal combustion engines because they
A.
rn fuel in a chamber where its energy moves a piston up and down
B.
use energy from fuel burned outside their cylinders
C.
a continuous combustion process to impart rotary motion to the pistons
D.
burn fuel in a combustion chamber that moves back and forth
查看完整题目与答案
【单选题】In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.
A.
stop your engines
B.
sound the danger signal at two-minute intervals
C.
hold course and speed until the other vessel is sighted
D.
take avoiding action as soon as possible
查看完整题目与答案
【单选题】Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine _____.
A.
camshaft beatings
B.
main bearings
C.
piston crowns
D.
cylinder walls
查看完整题目与答案
【单选题】Diesel engines are considered safer than gasoline engines because.
A.
they are more heavily built
B.
the fuel used is less volatile
C.
they can be easily reversed
D.
they operate at a lower speed
查看完整题目与答案
【单选题】Diesel engines are classified as reciprocating internal combustion engines because they
A.
use energy from fuel burned outside their cylinders
B.
burn fuel in a combustion chamber that moves back and forth
C.
burn fuel in a chamber where its energy moves a piston back and forth
D.
use a continuous combustion process to impart rotary motion to the pistons
查看完整题目与答案
【简答题】下长坡连续使用行车制动会导致什么？
查看完整题目与答案
【单选题】Diesel engines are started by supplying into the cylinders in the appropriate sequence for the required direction.
A.
cooling water
B.
compressing air
C.
compressed air
D.
cylinder oil
查看完整题目与答案