更多"The heat gained per pound of refrig"的相关试题:
[单项选择]The sum of the sensible heat and the latent heat of any substance is known as （）.
A. total heat
B. residual heat
C. specific heat
D. superheat
[单项选择]A fifteen-pound CO2 extinguisher（）.
A. contains 15 pounds of CO2
B. weighs 15 pounds when full of CO2
C. has 15 pounds of pressure at the nozzle
D. weighs 15 pounds when empty
[单项选择]A “fifteen-pound” CO2 extinguisher is so called because（）.
A. there are fifteen pounds of CO2 in the container
B. the container，when full，weighs fifteen pounds
C. the pressure at the discharge nozzle is l5 psi
D. the empty container weighs fifteen pounds
[判断题]CDMA2000 1X/EV-DO混合终端在1x与EV-DO网络中使用不同的IMSI。
[判断题]CDMA20001X/EV-DO双模手机开机后根据UIM卡中的PRL文件的信息首先捕获EV-DO网络。
[单项选择]EV表示的含义是（）
A. 汽油机缸内直喷
B. 可变气门正时
C. 电动汽车
D. 混合动力车
[单项选择]EV是（）的缩写。
A. 高级配电自动化
B. 分布式能源
C. 智能配电网
D. 电动汽车
[判断题]当CDMA20001X/EV-DO双模手机在EV-DO系统中处于激活状态时，应周期性地监听1X网络。
[单项选择]华为系统中，BTS3900 1X 和 EV-DO混合业务配置时，配置 1X（S2/2/2）EV-DO（S1/1/2）时，需要配置 HCPM.HECM、CMPT量 CRFU 等板卡数量为（）
A. 1、1、2、3
B. 1、2、1、3
C. 2、1、1、3
D. 1、1、1、3
[单项选择]Scale accumulation on evaporator heat exchange surfaces （）.
A. increases brine density
B. increases distillate salinity
C. reduces metal corrosion
D. reduces heat transfer
[单项选择]Additional heat extraction from the exhaust gases can be effected by adding an （） section to the unit in plants.
A. air cooler
B. economizer
C. injector
D. air blower
[单项选择]常用△EV值表示（）。
A. 光比
B. 亮度
C. 照度
D. 物体反差
[单项选择]Symptoms of heat stroke are（）.
A. cold and moist skin，high body temperature
B. cold and dry skin，low body temperature
C. hot and moist skin，high body temperature
D. hot and dry skin，high body temperature
[单项选择]Which of the statements listed concerning heat transfer is correct?（）
A. Heat is always transferred at a constant rate
B. Heat transfer rate increases as temperature difference increases
C. The rate of heat transfer is not affected by temperature difference
D. The high temperature region is known as a heat sink
[单项选择]A patient suffering from heat exhaustion should be（）.
A. moved to a cool room and told to lie down
B. kept standing and encouraged to walk slowly and continuously
C. given a glass of water and told to return to work after 15 minutes of rest
D. None of the above are correct
[单项选择]Generating tubes in waste heat boilers are finned to （）.
A. reduce gas flow turbulence
B. prevent exhaust gas corrosion
C. increase the rate of combustion
D. increase the rate of heat transfer
