A.What
B.How
C.How many
D.How much
[单选题]The temperature of the refrigerant in the evaporator coil depends mostly upon the ___.A.refrigerant pressure in the evaporatorB.cooling water temperature to the condenserC.heat load in the refrigerator compartmentD.solenoid valve in the liquid line
[单选题]______ the temperature, ______ water turns into steam.A. The high... the fastB. Higher... fasterC. The more higher... the fasterD. The higher... the faster
[单选题]The rising of the exhaust temperature in manifold pipe may NOT result from ().A . too great a loadingB . fouled turbochargerC . bad combustionD . excessive air
[单选题]B.y comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine The device most commonly used is aA.tachometerB.pyrometerC.dynamometerD.calorimeter
[单选题]If the coolant temperature of a closed cooling water system for a diesel enginegradually increases, the trouble usually is( ).A.a broken shaft on the freshwater pumpB.an excessive accumulation of scale in the heat exchangerC.an incorrect thermostatic
[名词解释] 英译汉:temperature
[单选题]The cooling water temperature () over a period of 8 hours, and then shut down.A . should be gradually increasedB . should be gradually reducedC . should be constantly keptD . should be varied up and dow
[单选题]Increasing the temperature of a fuel will reduce its ().A . viscosityB . pressureC . resistanceD . setting point
[单选题]As the temperature of the air reaches the dew point,().A . rain must developB . fog may formC . it begins to snowD . water freeze
[单选题]As the temperature of an air mass decreases,the().A . absolute humidity decreasesB . relative humidity increasesC . specific humidity decreasesD . dew point rise