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
A、low lube oil temperature B、low starting air temperature C、air bubbles in the fuel oil system D、water in the starting air system
A、overloading in all cylinders B、a jammed three-way thermostatic valve C、chromate PH too low D、a high level in the surge tank
A、A.increase in resistance with increased temperature B、B.increase in resistance with decreased temperature C、C.decrease in resistance with increased temperature D、D.increase in conductance with increased temperature
A、amount of temperature rise with no load B、temperature of the compartment where the motor is located C、normal operating temperature, less the room temperature D、amount of temperature developed by an operating motor
A、its pressure and temperature are both lowered B、its pressure and temperature are both raised C、its pressure is lowered and its temperature is raised D、its pressure is raised and its temperature is lowered