更多"The most inefficient method of volt"的相关试题:
[单项选择]Voltage generated by most AC generators is fed from the machine to the bus by means of（）.
A. brushes on a commutator
B. brushes on slip rings
C. slip rings on a commutator
D. direct connections from the stator
[单项选择]The most accurate method of determining gyrocompass error while underway is by（）.
A. Comparing the gyro azimuth of a celestial body with the computed azimuth of the body
B. Comparing the gyro heading with the magnetic compass heading
C. Determining from the chart the course made good between celestial fixes
D. It cannot be determined accurately at sea due to drift of unknown currents
[单项选择]Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
A. Crossing the spring lines
B. Slacking all forward running lines while keeping all after running lines taut
C. Doubling up on spring or breast lines
D. Slacking bow and stern lines
[单项选择]The most effective method in removing water from diesel fuel oil is by（）
A. centrifuging the fuel
B. using it in the engine
C. heating the fuel tanks
D. starting the fuel
[单项选择]The most common method of securing a line to a cleat is a（）.
A. half hitch，then round turns
B. round turn，then figure eights
C. figure eight，then round turns
D. figure eight，then half hitches
[单项选择]The primary method by which water spray puts out fires is by（）.
A. removing the oxygen
B. cooling the fire below the ignition temperature
C. removing combustible material
D. diluting combustible vapors
[单项选择]0f the following, the most important consideration for a tank vessel is（）.
A. GM
B. the vertical center of gravity
C. the longitudinal center of gravity
D. the stress on the hull
[单项选择]Which one might be used most likely in case of a fire?（）
A. lifejacket
B. SCBA
C. lifeboat
D. torch
[名词解释]额定电压（rated voltage）
[名词解释]标称电压（nominal voltage）
[名词解释]接触电压（touch voltage）
[名词解释]故障电压（fault voltage）
[单项选择]在新7系F02车上哪个模块是MOST的主控单元：（）
A. CIC
B. SBX
C. VM
D. ZGM
[单项选择]（）的英语是voltage。
A. 电压
B. 电阻
C. 电流
D. 电器
[单项选择]When the voltage remains constant and the resistance is increased in a series circuit, the flow of current （）
A. increases by the square of the original value
B. increases
C. remains the same
D. decreases
[名词解释]接触电压限值（touch voltage limit）
[名词解释]预期接触电压（prospective touch voltage）
[单项选择]With a purely resistance load the voltage and current are in phase, giving a power factor of （）.
A. one
B. less than one
C. more than one
D. negative one
