Hydrometer
Hygrometer
Spectrometer
Barometer
第1题：
Which of the listed devices is used to measure pressure and convert it to an electrical signal?
A.Transducer
B.Reducer
C.Transformer
D.Rectifier
第2题：
A hygrometer is device used for determining ______.
A.the absolute temperature
B.atmospheric pressure
C.wind velocity
D.relative humidity
第3题：
critical relative humidity
第4题：
临界相对湿度（critical relative humidity，CRH）
第5题：
As the temperature for an air mass decreases, the ______.
A.absolute humidity increases
B.relative humidity increases
C.specific humidity increases
D.dew point rises
第6题：
A sling psychrometer is a(n) ______.
A.type of cargo gear
B.instrument used in celestial navigation
C.instrument used to measure relative humidity
D.instrument used to measure specific gravity
第7题：
An aneroid barometer is an instrument ______.
A.used to measure the speed of wind
B.in which the pressure of air is measured
C.that tells which direction a storm is coming from
D.used to measure the height of waves
第8题：
A.cooling only
B.cooling and humidifying
C.cooling and dehumidifying
D.adiabatic(绝热的)cooling
第9题：
As the temperature for a given mass of air increases, the ______.
A.dew point increases
B.dew point decreases
C.relative humidity increases
D.relative humidity decreases
第10题：
Compound gage
Bonrdon tube
Manometer
Deadweight gage