更多"The （）is used to measure power."的相关试题:
[单项选择]The most common instrument used to measure diesel engine exhaust pressure is the （）
A. pyrometer
B. bourdon gauge
C. pneumercator
D. manometer
[单项选择]Which instrument is used to measure the relative humidity of air?（）
A. Hydrometer
B. Hygrometer
C. Spectrometer
D. Barometer
[单项选择]An ammeter should be used to measure （）
A. the voltage between two points in a circuit
B. circuit continuity
C. current flow in a circuit
D. total or partial circuit resistance
[单项选择]A manometer is used to measure （）.
A. pressure
B. temperature
C. volume
D. specific gravity
[单项选择]A hand held instrument used to measure distances between objects and the ship is a（）.
A. vernier
B. psychrometer
C. hygrometer
D. stadimeter
[单项选择]An ohmmeter can be used to measure（）
A. current flow in a circuit
B. voltage between two points in a circuit
C. circuit continuity
D. power
[单项选择]What can be used to measure the percentage of oxygen inside a chain locker?（）
A. Flame safety lamp
B. Combustible gas indicator
C. Oxygen indicator
D. H2S meter
[单项选择]A sling psychrometer is used to measure（）.
A. seawater temperature
B. engine temperature
C. dry bulb and wet bulb temperatures
D. barometric pressure
[单项选择]A compound gage is used to measure （）.
A. temperature and pressure
B. humidity and temperature
C. pressure and vacuum
D. pressure and humidity
[单项选择]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
[单项选择]A pyrometer is an instrument used to measure the temperature of the diesel engine（）
A. exhaust
B. fuel oil
C. cooling water
D. cylinder liner
[单项选择]The type of gauge most commonly used to measure pressure is the （）.
A. bimetallic type
B. diaphragm type
C. bourdon tube type
D. resistance-temperature type
[单项选择]Bridge gauge can be used to measure （） of a diesel engine.
A. diameters of journals
B. deflections of crankwebs
C. diameters of crankpins
D. none of the above
[单项选择]The （） is used to measure the volume of a liquid or gas through a pipeline within any given period of time.
A. flowmeter
B. viscometer
C. micrometer
D. feeler
[单项选择]Combustible gas indicators measure the presence of combustible gas as a percentage of the（）.
A. flash point
B. upper explosive limit
C. lower explosive limit
D. fire point
[单项选择]Ammeter is to measure the （）.
A. current
B. voltage
C. power
D. frequency
[单项选择]Pressure gradient is a measure of（）.
A. a high-pressure area
B. pressure difference over horizontal distance
C. pressure difference over time
D. vertical pressure variation
