网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
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
参考答案
参考解析
解析：
暂无解析
更多 “单选题An ammeter should be used to measure （）A the voltage between two points in a circuitB circuit continuityC current flow in a circuitD total or partial circuit resistance” 相关考题
考题
________ is a device used to measure atmospheric pressure．A.BarometerB.ThermometerC.ChronometerD.Speedometer
考题
In the event of fire in a machinery space，______.A.the fixed carbon dioxide system should be used only when all other means of extinguishment have failedB.the fixed carbon dioxide system should be used immediately，as it is the most efficient means of extinguishmentC.water in any form should not be used as it will spread the fireD.the space should be opened 5 minutes after flooding CO2 to prevent injury to personnel
考题
A sling psychrometer is a(n) ______.A.type of cargo gearB.instrument used in celestial navigationC.instrument used to measure relative humidityD.instrument used to measure specific gravity
考题
A check line is ______．A.A safety line attached to a man working over the sideB.Used to measure water depthC.Used to slow the headway of a bargeD.Used to measure the overhead height of a bridge
考题
An aneroid barometer is an instrument ______.A.used to measure the speed of windB.in which the pressure of air is measuredC.that tells which direction a storm is coming fromD.used to measure the height of waves
考题
单选题When collecting condensation for drinking water，（）.A
a sponge used to mop up and store condensation must be kept salt freeB
only condensation on the bottom of the canopy should be collectedC
it should be strained through a finely woven clothD
chlorine tablets should be used to make it drinkable
考题
单选题A three-phase alternator operates at 450 volts with a power factor of 0~8.If the ammeter indicates 250 amperes, what should be the KW meter reading （）.A
90~0 kwB
127~27 kwC
155~70 kwD
194~85 kw
考题
单选题In order to accurately measure very low pressures, which of the instruments listed should be used?（）A
Compound gageB
Bonrdon tubeC
ManometerD
Deadweight gage
考题
单选题A compound gage is used to measure （）.A
temperature and pressureB
humidity and temperatureC
pressure and vacuumD
pressure and humidity
考题
单选题assessment is used to measure how the performance of a particular student orgroup of students compares with that of another.A
Criterion-referencedB
Norm-referencedC
FormativeD
Summative
考题
单选题A suggested measure to be taken to reduce teenagers’ driving accidents is that _____.A
driving in the presence of an adult should be made a ruleB
they should be prohibited from taking on passengersC
they should not be allowed to drive after 10 p. m.D
the licensing system should be improved
考题
单选题The （） is used to measure the volume of a liquid or gas through a pipeline within any given period of time.A
flowmeterB
viscometerC
micrometerD
feeler
考题
单选题Which of the following tools is BEST used to measure voltage and amperage from a power source?（）A
Loopback PlugB
MultimeterC
Power Supply TesterD
Extension Magnet
考题
单选题Radar is used to not only to look（）,but also to measure their distances away from you.A
at obscured objectsB
forward submerged targetsC
up exposed targetsD
for unseen objects
考题
单选题Which instrument is used to measure the relative humidity of air?（）A
HydrometerB
HygrometerC
SpectrometerD
Barometer
考题
单选题A hand held instrument used to measure distances between objects and the ship is a（）.A
vernierB
psychrometerC
hygrometerD
stadimeter
考题
单选题Bridge gauge can be used to measure （） of a diesel engine.A
diameters of journalsB
deflections of crankwebsC
diameters of crankpinsD
none of the above
考题
单选题The most common instrument used to measure diesel engine exhaust pressure is the （）A
pyrometerB
bourdon gaugeC
pneumercatorD
manometer
考题
单选题What can be used to measure the percentage of oxygen inside a chain locker?（）A
Flame safety lampB
Combustible gas indicatorC
Oxygen indicatorD
H2S meter
考题
单选题A resistance in a circuit of unknown value is to be tested using the voltmeter/ammeter methodTherefore, the meters should be connected with（）.A
both meters in series with the resistanceB
both meters in parallel with the resistanceC
the ammeter in series and the voltmeter in parallel with the resistanceD
the ammeter in parallel and the voltmeter in series with the resistance
考题
单选题A sling psychrometer is used to measure（）.A
seawater temperatureB
engine temperatureC
dry bulb and wet bulb temperaturesD
barometric pressure
考题
单选题A sling psychrometer is a(n)（）.A
type of cargo gearB
instrument used in celestial navigationC
instrument used to measure relative humidityD
instrument used to measure specific gravity
考题
单选题To determine the main bearing clearance of a propulsion diesel engine, you should measure the main bearing shell using a ball anvil outside micrometer and measure the crankshaft journal using a/an （）A
telescopingB
ring ‘snap’ gaugeC
inside vernier caliperD
outside micrometer
考题
单选题Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）A
Add ballast in the afterpeakB
Add ballast forwardC
Alter courseD
Reduce speed
热门标签
最新试卷