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【单选题】
在电力系统正常状况下,35kV及以上电压供电的用户受电端的供电电压正负电压允许偏差为绝对值之和不超过额定值的()。
A.
0.07
B.
0.1
C.
0.05
D.
0.06
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【单选题】The ligh The lightering hose was not secured at the manifold but the crewman was not injured when he disconnected the hose. tering hose was not secured at the manifold but the crewman was not injured ...
A.
The crewman was injured when he was connecting the lightering hose.
B.
The crewman was not injured when he was connecting the lightering hose.
C.
The crewman was injured when he was disconnecting the lightering hose.
D.
The crewman was not injured when he was disconnecting the lightering hose.
【单选题】There were no seats for hose who arrived late.
A.
enough
B.
sufficient
C.
available
D.
supplied
【单选题】Fire hose couplings().
A.
are made of bronze, brass, or soft alloy metals
B.
should be painted rad in order to identify hose lengths
C.
are specially hardended to prevent crushing
D.
should be greased frequently
【判断题】在装瓶线上,轧盖后的成品需要检验,而空瓶没有必要检验。
A.
正确
B.
错误
【单选题】Which statement is TRUE concerning cargo hose on tank barges ________.
A.
Cargo hose must be able to withstand the shut-off head plus the static head of the cargo pump
B.
Cargo hose must be able to withstand the static head of the cargo pump but no less than 100 psi
C.
Cargo hose must be able to withstand the shut-off head less the static head of the cargo pump but no less than 100 psi
D.
Cargo hose must be able to withstand at least 150 psi
【单选题】Listen! Who ________? [     ]
A.
singing
B.
are singing
C.
sing
D.
is singing
【单选题】Which statement about stowing spare hose is TRUE ________.
A.
Fold the hose so that the male coupling is about 4 feet from the female coupling,then roll it up
B.
Roll the hose starting at the female end
C.
Roll the hose starting at the male end
D.
Fold the hose into lengths about 6 feet long and then lash the folds together
【单选题】If you install a new hydraulic hose in a hydraulic system, the hose must be long enough to allow for contraction to prevent
A.
failure of the hydraulic hose
B.
excessive flow through the line
C.
friction in other areas of the hydraulic system
D.
overheating of the hydraulic fluid
【判断题】曲线上的 editpoint 是在曲线之外的 hull 线上,通过它可以判断曲线的 span 数量。
A.
正确
B.
错误
【简答题】阅读理解。 Being outgoing is good for your life.  rl'hose who are more outgoing like to meet lots of people and have more fun in life. In fact, being outgoing is not so hard as you think. Even shy people c...
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