A three phase resistive heater operates at 480 volts and its power rating is 100,000 watts. This heater has a power rating of what in kw?
A three phase resistive heater operates at 480 volts and its power rating is 100,000 watts....
What is the power rating if a heater is running from 120 volts socket and has a resistance of 30 ohms.
An immersion heater has a power rating of 600 watts. It is used to heat water for coffee. How long (in minutes) should it take to bring 1.1 L of water from room temperature (20°C) to 84°C?
An immersion heater has a power rating of 1200 watts. It is used to heat water for coffee. How long (in minutes) should it take to bring 1.3 L of water from room temperature (20°C) to 83°C?
a) Three-Phase Motor Specs: Line Voltage: 113.7 volts True power: 1,275 watts Apparent power: 1,888 voltamps What is the power factor of this circuit? b) Single-Phase Motor Specs: Voltage: 126.9 volts Amperage Draw: 13.5 amps Motor Resistance: 149 ohms Motor Inductive Reactance: 63 ohms What size of a capacitor, in microfarads, is needed to change PF = 1.0?
Time 2 An immersion heater has a power rating of 700 watts. It is used to heat water for coffee. How long in minutes) should it take to bring 0.2 L of water from room temperature (20°C) to 88°C? Submit Answer Tries 0/20 e Post Discussion Send Feedback
A 2 pole ac induction motor operates on a 480 V three phase power system. The motor is rated a 50 hp and 460 V with a full load shaft speed of 3400 rpm. The motor currently operates a 3510 rpm. determine the mechanical power the motor develops in hp using the slip method.
A 2 pole ac induction motor operates on a 480 V three phase power system. The motor is rated a 50 hp and 460 V with...
A transformer has a primary rating of 480 volts and supplies 240 volts to a 7.4 kVA load. The circuit that is connected to the primary originates from a 2-pole circuit breaker in a 277/480-volt 3 phase, 4-wire panelboard. The current measured in one of the circuit conductors connected to the breakers is 15.9 amps. The efficiency of this transformer is ___%
what is the real power of a three-phase circuit if its RMS voltage is 220 volts, its RMS voltage is 220 volts, its RMS current is 22amps, ain its power factor is 0.86?
A motor circuit is providing 480 volts and 25 amps to a 3-phase motor that is rated at 10 HP. What is the apparent power? What is the true power? What is the power factor? What is the reactive power?
If a three-phase load is a pure reactive load, then the power calculated has units of _____. A delta-connected three-phase alternator is driving a wye-connected resistive load. The alternator output voltage is 480 V. The load resistors are 12 W each. What is the phase current in the alternator?