单项选择题

Brine density in a distilling plant is measured with a/an （）.

A.psychrometer
B.salinometer
C.anemometer
D.sphygmomanometer

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

Which of the following statements is correct regarding an oil with a high viscosity index?（）

A.A large change of viscosity occurs with a minor change in temperature
B.No change in viscosity occurs with any change in temperature
C.Very little change in viscosity occurs with a significant change in temperature
D.The viscosity of the oil increases with an increase in temperature

单项选择题

If you were operating a centrifugal water service pump with worn wearing rings, the （）.

A.pump would be very noisy
B.pump would vibrate excessively
C.pump would develop insufficient flow
D.stuffing box would leak excessively

单项选择题

The packing installed in the pump stuffing box is lubricated by （）.

A.gravity and feed oil cups
B.grease cups
C.hand during installation
D.leakage through the stuffing box