更多"Line losses in a distribution circu"的相关试题:
[名词解释]SELV回路（SELV circuit）
[名词解释]土壤空间分布 soil spatial distribution
[单项选择]Energy losses due to （） occur in every machine.
A. speed
B. friction
C. impact
D. atmosphere
[单项选择]（），I hereby note my protest against all losses and damages，etc.，reserving the right to extend same at time and place convenient．
A. Fearing loss and／or damage
B. To fear loss and／or damage
C. For fear loss and／or damage
D. Fear loss and／or damage
[单项选择]Making cargo plan for appropritate distribution of the cargo on board is（）duty.
A. a ship's officer's
B. a tallyman's
C. a port planner's
D. a foreman's
[单项选择]Making cargo plan for appropriate distribution of the cargo on board is（）duty．
A. a ship's officer's
B. a Tallyman's
C. a port planner's
D. a foreman's
[单项选择]Assuming an even transverse distribution of weight in a vessel，which condition could cause a list?（）.
A. Empty double-bottoms and lower holds，and a heavy deck cargo
B. Flooding the forepeak to correct the vessel's trim
C. Having KG smaller than KM
D. Having a small positive righting arm
[单项选择]Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.
A. pilot charts
B. Notices to Mariners
C. Tide Tables
D. Current Tables
[单项选择]（）fear of the damages and losses，I hereby note my protest.
A. To
B. Against
C. For
D. With
[单项选择]Capacitance is the property of an electric circuit opposing a change in the （）
A. current in the circuit
B. voltage in the circuit
C. inductance in the circuit
D. resistance in the circuit
[单项选择]Inductance is the property of an electric circuit that （）
A. opposes any change in the applied voltage
B. opposes any change in the current flow through the circuit
C. aids any changes in the applied voltage
D. aids any changes in the current through the circuit
[单项选择]The purpose of a main switchboard circuit breakers reverse-power trip is to （）.
A. prevent main circuit overload
B. protect the circuit breaker blowout coil
C. prevent alternator motorization
D. prevent low voltage tripout
[单项选择]I hereby note my protest（）all losses, damage, etc.
A. for
B. against
C. with
D. of
[单项选择]After launching，an inflatable raft should be kept dry inside by（）.
A. opening the automatic drain plugs
B. draining the water pockets
C. using the electric bilge pump
D. using the bailers and cellulose sponge
[单项选择]Fuel injection equipment must be kept in good condition, timed correctly, and the （）in each cylinder must also be carefully balanced so that individual cylinders are not overloaded.
A. MIP
B. MCR
C. MEP
D. BHP
[单项选择]Water level controllers of the boiler must be kept operable to protect external steam-using plant from water “（）” danger.
A. carry off
B. carry down
C. carry on
D. carry over
[单项选择]The crankcase of many diesel engines are kept under a slight vacuum by the （）.
A. scavenging action of the piston
B. piston type vacuum pump taking suction off a differential manometer
C. gland exhausting manometer
D. crankcase exhaust fan
