If an electric heater requires 23 A at 110 V, determine
a. The power it dissipates as heat or other losses.
b. The energy dissipated by the heater in a 24-h period.
c. The cost of the energy if the power company charges at the rate 6 cents/kWh.
What will be an ideal response?
Known quantities:
Current absorbed by the heater; voltage at which the current is supplied; cost of the energy.
Find:
a) Power consumption
b) Energy dissipated in 24 hr.
c) Cost of the Energy
Assumptions:
The heater works for 24 hours continuously.
Analysis:
You might also like to view...
After parking the vehicle and shifting out of gear it is discovered that the key will not come out of the ignition switch. What transmission area could cause this problem?
A) The rear transmission mount B) The manual valve system C) Low fluid level D) The shift interlock system
What is the relationship between the concentration of a gas in air in mg/m3 and ppmv at standard temperature and pressure?
What will be an ideal response?
After replacing a set of E3 injectors in a Mack MP8 engine, the engine rhythmically hunts after being started. Technician A says that a new set of calibration codes should be downloaded and flashed to the EECU. Technician B says that the calibration codes are inscribed on the E3 injector and should be reprogrammed to the EECU. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
The smaller line in an air-to-air split-system heat pump is known as the ____ line.
A. gas B. vapor C. solid D. liquid