單項(xiàng)選擇題

Which of the following statements is correct concerning the viscosity of lubricating oil?（）

A.Viscosity will increase as temperature increases
B.Viscosity is a measure of a fluid s internal resistance to flow
C.Viscosity will decrease as temperature decreases
D.Viscosity is not dependent on temperature

你可能感興趣的試題

單項(xiàng)選擇題

Under normal operating conditions, the rudder is hydraulically locked unless （）.

A.the manual trick wheel is engaged for steering
B.the variable stroke pump is off stroke
C.a rudder order is given by the control system
D.an electric power system failure occurs at the steering gear

單項(xiàng)選擇題

Saltwater is typically provided to a refrigeration system to （）.

A.cool the expansion valve
B.prevent refrigerant superheating
C.condense the refrigerant gas
D.prevent motor overheating

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

Which of the following statements is correct concerning the viscosity of lubricating oil?（）

你可能感興趣的試題

Under normal operating conditions, the rudder is hydraulically locked unless （）.

Saltwater is typically provided to a refrigeration system to （）.

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精