更多"Which instrument is used to measure"的相关试题:
[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]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]The （）is used to measure power.
A. ammeter
B. voltmeter
C. wattmeter
D. frequency meter
[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]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]Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）
A. Add ballast in the afterpeak
B. Add ballast forward
C. Alter course
D. Reduce speed
[单项选择]If separating effect is not good, which measure should be taken （）
A. working at intervals and properly heating
B. warming up to 70℃, increase water supply flow
C. improving impulse of water supply
D. reducing water supply flow
[单项选择]A low pressure annular preventer which is used to direct flow of kick fluids away from the rig floor is called a （）.
A. dump valve
B. deflector
C. separator
D. diverter
[单项选择]Freon 12 which is used to produce intense cold is normally a （） when at atmospheric pressure and temperature.
A. liquid
B. gas
C. solid
D. water only
[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
