题目
Which of the following statements is correct concerning the viscosity of lubricating oil?（）A: Viscosity will increase as temperature increasesB: Viscosity is a measure of a fluid s internal resistance to flowC: Viscosity will decrease as temperature decreasesD: Viscosity is not dependent on temperature
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
题目解答
答案
B
解析
粘度是流体内部阻力的度量，它描述了流体在流动时的阻力大小。对于润滑油而言，粘度是其关键特性之一。温度对粘度有显著影响，通常情况下，温度升高会导致粘度降低，而温度降低则会导致粘度增加。