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空调度日数（CDD26）cooling degree day based on26℃
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更多 “空调度日数（CDD26）cooling degree day based on26℃” 相关考题
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If air at 95°Cdry bulb temperature and 50%relative humidity is conditioned to 75°Cdry bulb temperature and 50%relative humidity, it is an example of()
A.cooling onlyB.cooling and humidifyingC.cooling and dehumidifyingD.adiabatic(绝热的)cooling
考题
下列程序段的执行结果为 a=95 If a ＞ 60 Then degree=1 If a ＞ 70 Then degree=2 If a ＞ 80 Then degree=3 If a ＞ 90 Then degree=4 Print"degree="；degreeA．degree=1B．degree=2C．degree=3D．degree=4
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设某城市的供暖度日数(HDD18)为1950℃·d，空调度日数(CDD26)为200℃·d，某住宅需要进行节能综合指标的计算和判定，经计算供暖年耗电量为33.5kW·h/㎡，允许空调年耗电量为( )。A.26.8kW·h/㎡
B.30.1kW·h/㎡
C.29.OkW·h/㎡
D.31.2kW·h/㎡
考题
国务院办公厅关于严格执行公共建筑空调温度控制标准是（）.A、夏季室内空调温度设臵不得低于24摄氏度，冬季室内空调温度设臵不得高于20摄氏度B、夏季室内空调温度设臵不得低于26摄氏度，冬季室内空调温度设臵不得高于26摄氏度C、夏季室内空调温度设臵不得低于26摄氏度，冬季室内空调温度设臵不得高于20摄氏度
考题
国务院办公厅关于严格执行公共建筑空调温度控制标准是（）A、夏季室内空调温度设置不得低于24摄氏度，冬季室内空调温度设置不得高于20摄氏度B、夏季室内空调温度设置不得低于26摄氏度，冬季室内空调温度设置不得高于26摄氏度C、夏季室内空调温度设置不得低于26摄氏度，冬季室内空调温度设置不得高于20摄氏度
考题
Which of the following accurately describes the meaning of redundant cooling？（）A、The source of cooling to a RAID systemB、The cooling system in a redundant power supplyC、A cooling system that can be installed in case of failureD、A second cooling system in case of a failure
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单选题High diesel engine cooling water temperatures can be caused by （）.A
air in the cooling systemB
an overhauled water pumpC
correct amount of coolantD
no air in the cooling system
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单选题In a closed cooling system for a turbocharged, four-stroke/cycle diesel engine, fluctuating water pressure can be caused by （）A
improper venting of the cooling systemB
carrying the expansion tank water level too highC
a totally clogged impeller in the cooling water pumpD
an incorrectly set cooling system temperature control
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单选题Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to （）A
maintain low pH in the cooling waterB
reduce the cooling water temperatureC
increase cooling water hardnessD
form a protective film on metal surfaces
考题
单选题Which of the following accurately describes the meaning of redundant cooling？（）A
The source of cooling to a RAID systemB
The cooling system in a redundant power supplyC
A cooling system that can be installed in case of failureD
A second cooling system in case of a failure
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单选题As to the piston cooling, of the following, which statement is not true?（）A
Because the piston is exposed to very high temperature, it must be cooledB
The lower the piston cooling temperature is, the better it isC
Both water and lube oil can be used as coolantD
One of the piston cooling methods is vibration cooling, with better effect
考题
单选题A separate piston cooling system is used to limit any contamination （） piston cooling glands（） the piston cooling system only.A
between；toB
either；orC
from；toD
neither；nor
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单选题As an alternative to the conventional seawater cooling system, is based on principles about cooler locations, （）flow control and preheating, but with a central cooler and one additional set of pumps（）.A
the central cooling system, differentB
the central cooling system, the sameC
the open cooling system, differentD
the open cooling system, the same
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多选题关于某特定人群人日数与标准人日数的关系，正确的说法是（）A人日数一定比标准人日数大B人日数一定比标准人日数小C家庭标准人日数除家庭人日数以即得混合系数D标准人日数除以人日数即得混合系数E标准人日数是通过人日数及标准人系数计算而得
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名词解释题阴道清洁度(vaginal cleaning degree)
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