更多"With a purely resistance load the v"的相关试题:
[单项选择]With a purely （） load the voltage and current are in phase, giving a power factor of one.
A. inductive
B. resistance
C. combined
D. capacitate
[单项选择]With a （） load the voltage and current are in phase.
A. pure resistance
B. capacitive
C. inductive
D. None of the above
[单项选择]According to Gencon，if at any time during the currency of this Charter，both Owners and Charterers are unable to arrange bunkers at the main bunkering ports for the voyage in question，the（）to have the privilege of canceling this Charter.
A. Charterers
B. Owners
C. both Charterers and Owners
D. neither Charterers nor Owners
[单项选择]Which is the summer load waterline on the load waterline mark?（）.
A. The first line at the bottom
B. The second line from the bottom
C. The third line from the bottom
D. The fourth line from the bottom
[单项选择]Which is the winter load waterline on the load waterline mark?（）.
A. The line over the summer load waterline
B. The line above the tropical load waterline
C. The line below the tropical load waterline
D. The line between the summer and the winter north Atlantic load waterline
[单项选择]在LOAD SHEET中“LOAD IN COMPARTMENTS 100671/25642/4807 3/608 4/1953 5/135 PASSENGER/CABIN BAG 11454 152/1/2 TTL 155 CAB0 FCY5/0/148 SOC 0/0/0”表示该航班旅客总人数为（）
A. 155人
B. 153人
C. 152人
D. 148人
[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]The resistance of a conductor varies （）
A. directly as its length and inversely as its cross-sectional area
B. inversely as its length and directly as its cross-sectional area
C. directly as its length and directly as its cross-sectional area
D. inversely as its length and inversely as its cross-sectional area
[单项选择]Wrought iron has an inherent resistance to corrosion but is not to be had freely , its place has been taken by the cuprous alloysAccording to the above sentence , which of the following statements is true?（）
A. Wrought iron can resist liquids flow
B. It is difficult to attain the wrought iron
C. Wrought iron should be combined with cuprous alloys
D. The cuprous alloys have mere disadvantages than wrought iron
[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]Possible phase relationships between voltage and current in an alternating current circuit include which of the following conditions?（）
A. Current and voltage may be in phase
B. Current may lead the voltage
C. Current may lag the voltage
D. All of the above
[单项选择]
以下这段在FORM的CLICK事件中的程序运行后的结果是（）.
CurrentX=1500
CurrentY=500
Line-（3000，2000）
Line-（1500，2000）
Line-（1500，500）
A. 三条直线
B. 矩形
C. 三角形
D. 等腰直角三角形
[单项选择]An accidental path of low resistance, allowing passage of abnormal amount of current is known as a/an（）.
A. open circuit
B. short circuit
C. polarized ground
D. ground reference point
[单项选择]The centre of lateral resistance is（）.
A. the center of the hydrodynamic forces acting on the underwater hull to resist the effect of the wind
B. the point of influence of wind on the ship
C. the pivot point
D. the point on the ship's above-water structure upon which the whole force of the wind can be considered an act
[单项选择]The resistance of electric wire will decrease as its （）
A. length increases
B. cross-sectional area increases
C. temperature increases
D. percent of metallic purities increases
