A work area at bench level is to be illuminated to a value of 300 lux, using 85W single fluorescent fittings having an efficacy of 80 lumens/watt. The work area is 10m X8 m, the MF is O.8 and CU is 0.6. Calculate the following (a) Total Wattage? (b) Total Lumen for the Fixtures? (c) No. of Fixtures?

A work area at bench level is to be illuminated to a value of 300 lux, using 85W single fluorescent fittings having an efficacy of 80 lumens/watt. The work area is 10m X8 m, the MF is O.8 and CU is 0.6. Calculate the following (a) Total Wattage? (b) Total Lumen for the Fixtures? (c) No. of Fixtures?

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter23: Special-purpose Outlets—electric Heating, Air Conditioning

Section23.2: Air Conditioning

Problem 3R

See similar textbooks

Similar questions

- Loads, Service, and Overcurrent Protection 17.a. A one-family dwelling contains an electric range rated at 25 kW. What's the neutral load demand forthis range?A. 13,200 VAB. 9,800 VAC. 9,240 VAD. 10,465 VA17.b. What's the general lighting and receptacle load for a 3,000 sq ft dwelling with three small appliancebranch circuits and one laundry branch circuit?A. 15,000 VAB. 7,200 VAC. 4,500 VAD. 3,000 VA
When applying the general provisions for receptacle spacing to the rooms of a dwelling unit, which require receptacles in the wall space, no point along the floor line in any wall space of a dwelling unit may be more than——- from an outlet. A. 12ft. B. 10ft. C. 8ft. D. 6ft.
17. Which chapter of the National Electrical Code covers communications systems installations andequipment, which have grounding and bonding rules that provide different safety benefits?A. Chapter 5B. Chapter 6C. Chapter 8D. Chapter 7
The dwelling has a floor area of 142 sq. m. It has a typical household appliance including one 8 kW electric range, one 1 Hp room air-conditioning unit, one 3 Hp room air-conditioning unit and one 1 Hp water pump. (Draw the diagram) Determine the following: Total Load:A) Service Entrance ConductorsB) Service EquipmentC) Other Load
A resistor and an inductor are connected in parallel to a 120 volt, 60 cps source. If the total current and power in the circuit are, respectively, 17 amperes and 1,800 watts, calculate the values of R and L. b) If a 177 uF capacitor is connected in parallel with the circuit, what will be the line current, power and circuit power factor?
4. Which of these can be installed without needing an electrical permit first? A. Hot tubB. Bank of lights at a football stadiumC. Building security system D. Basement furnace
The percent values of the voltage, current, impedance, and volt-amperes for a givenpower system are 90, 30, 80, and 150 percent, respectively. The base current and baseimpedance are 60A and 40Ω, respectively. Calculate the actual values of the voltage,current, impedance, and volt-amperes.
Design a solar refrigerator and air conditioner for the domestic purpose. USING DIAGRAM
here are 240 square meters of floor area in a house that contains an electric range rated as 12 kW and an electric dryer rated at 5000 watts. Calculate (a) the minimum size of feeders (service conductors) required.
A house has the following specifications for a circuit. Determine the size of the circuit breaker, wire, and size of pipe to be used for each circuit and the service entrance. Show a detailed computation and also tabulate the final answer. 15 lighting outlets1 kitchen range12 lighting outlets1 water heater at 1500 watts12 convenience outlet8 convenience outlet9 convenience outlet12 lighting outlet3 convenience outletspare-1500 wattsspare- 1500 watts
20. A separately derived system is an electrical source, other than a service, having ____ connection(s) to circuit conductors of any other electrical source other than those established by grounding and bonding connections. Select one: A. INDIRECT B. NO DIRECT C. DIRECT D. COMPLETE
a) In a Power System, Define the following (i) Peak Load (ii) Spinning Reserve b) With a neat diagram, explain the working of the Solar Power Plant? 2. What are the various types of Line supports of the transmission line? Draw a neat sketch of any one type. Please do not write the answer on a paper