For the generator control panel onboard a ship with AC electrical power network, it has voltage meter, current meter, and ( ) also.
A: frequency
meter, power meter, and power factor meter
B: frequency
meter, power meter and mega ohm meter
C: frequency
meter, power meter and rotating speed meter
D: frequency
meter, mega ohm meter and rotating speed meter
A: frequency
meter, power meter, and power factor meter
B: frequency
meter, power meter and mega ohm meter
C: frequency
meter, power meter and rotating speed meter
D: frequency
meter, mega ohm meter and rotating speed meter
举一反三
- The voltage meter and current meter on the main switchboard shows ( <br/>). A: phase voltage and phase current of generator B: line voltage and line current of generator C: line voltage and line current of crane D: line voltage and line current of shore power
- What is the meter of a minuet? A: duple meter B: triple meter C: quadruple meter D: sextuple meter
- Light meter has many types. Which one is Independent light meter? A: reflected light meter B: pointer light meter C: Digital LCD Light Meter D: incident light meter
- This doll is<br/>about ______high. A: a half meter B: half a meter C: half meters D: half meter
- When measuring current, circuit power before connecting the meter in the circuit.