The temperature at which water vapor in the atmosphere begins to condense is called the ().
A、dew point temperature
B、condensation temperature
C、psychometric temperature
D、absolute humidity temperature
A、dew point temperature
B、condensation temperature
C、psychometric temperature
D、absolute humidity temperature
A、It is lower than the ignition temperature B、It is the temperature at which a substance will spontaneously ignite C、It is the temperature at which a substance, when ignited, will continue to bum D、It is the temperature at which the released vapors will fall within the explosive range
A、A.always higher than the air temperature B、B.always lower than the air temperature C、C.equal to the difference between the wet and dry bulb temperatures D、D.the temperature at which the air is saturated with water vapor
A、Degree of saturation B、Saturation temperature C、Superheated temperature D、Degree of superheat
A、A.more than the working temperature B、B.less than the working temperature C、C.the working temperature D、D.the same as the surrounding temperature
A、rapidly B、by gravity C、through a standard orifice at a specified temperature D、at a rate of 60cc per second
A、can be started at low temperature and are free from preheating B、usually are preheated by steam before being started C、are kept at a constant temperature and free from preheating D、are kept at a low temperature to save energy
A、A.vaporize, with the unflashed water remaining at the temperature at which it entered the flash chamber B、B.vaporize, with the unflashed water equalizing to the saturation conditions existing in the flash chamber C、C.vaporize, with the remaining water at the temperature greater than it entered the flash chamber D、D.boil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber
A、at the compressor discharge B、at the compressor suction C、in the expansion valve D、in the receiver