【单选题】What keeps Grimsvoto still?
A.
The slow flow of water.
B.
The low water temperature.
【判断题】汽车膜片弹簧离合器在分离时,膜片弹簧会产生反向锥形变形,使压盘与从动盘分离。( )
【单选题】If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be ________.
A.
a dirty lube oil strainer
C.
an oil suction line restriction
D.
excessive wears of the cooling water pump
【判断题】由于暴雨和泥石流导致铁路货物运输受阻,造成货物逾期运到,为此铁路运输承运人应当承担赔偿责任。
【单选题】If the water temperature had increased after submerging resistor B, which of the following statements would have been most accurate?
A.
The fact that the water temperature increased after submerging Resistor B shows that resistor B is a thermistor.
B.
The fact that the water temperature increased after submerging Resistor B shows that resistor B is not an ohmic device.
C.
Since the measured current was the same when the initial water temperature was 23°C as when it was 25°C,resistor B is an ohmic device.
D.
Since the measured current was the same when the initial water temperature was 23°C as when it was 25°C,resistor B is not a thermistor.
【判断题】膜片弹簧离合器在分离时,膜片弹簧会产生反向锥形变形,使压盘与从动盘分离。
【判断题】由于暴雨和泥石流导致铁路货物运输受阻,造成货物逾期运到,为此铁路运输承运人应当承担赔偿责任。( )
【单选题】The second stage feed-water temperature and shell absolute pressure in a multistage, flash type, distilling plant is ___.
A.
higher than the first stage feed-water temperature and absolute shell pressure
B.
lower than the first stage feed-water temperature and absolute shell pressure
C.
the same as the first stage feed-water temperature and absolute shell pressure
D.
not related to the feed-water temperature and absolute shell pressure
【判断题】膜片弹簧离合器在分离时,膜片弹簧会产生反向锥形变形,使压盘与从动盘分离。
【单选题】What keeps Grimsvotn still?
A.
The slow flow of water
B.
The low water temperature