Every liquid has a pressure at which it will vaporize and this pressure varies with temperatureThe word “which” means ().
A、a liquid
B、a pressure
C、a temperature
D、none of the above
A、a liquid
B、a pressure
C、a temperature
D、none of the above
A、flammable liquid B、nonflammable liquid C、inflammable liquid D、disflammable liquid
A、flammable liquid B、nonflammable liquid C、inflammable liquid D、disflammable liquid
A、B flammable liquid B、C flammable liquid C、D combustible liquid D、E combustible liquid
A、B flammable liquid B、C flammable liquid C、D combustible liquid D、E combustible liquid
A、has no right B、has partial right C、has the right D、has not any right
A、At the designed operating temperature, the liquid refrigerant charge has changed to a vapor B、The liquid refrigerant tends to collect at the bellows or diaphragm and reduces the valve sensitivity C、The sensing bulb is empty of liquid refrigerant charge at the designed operating temperature D、The sensing bulb is never emptied of liquid refrigerant under normal operating conditions
A、Hydraulic oil B、Water-antifreeze mixture C、Distilled water D、Oil from the cargo
A、A.every 6 months after initial installation B、B.every 12 months after initial installation C、C.every 24 months after initial installation D、D.on or before the expiration date of the power source