Engineering, 23.10.2019 23:00 ilpark0125
An air conditioner unit contains a 8.7 hp electric motor to drive the compressor and a 0.6 hp electric motor to drive the fan. assuming that both motors are fully loaded, what is the combined current draw of the unit (in amps). answer format: ( _ _ . _) motor specs: both motors are 230 v motors between 1 to 10 hp draw 1,067 w per hp (power factor 0.76) motors between 0.1 to 1 hp draws 686 w per hp (power factor 0.7)
Answers: 1
Engineering, 03.07.2019 15:10
Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.
Answers: 1
Engineering, 04.07.2019 18:10
Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer
Answers: 2
Engineering, 04.07.2019 18:20
Air flows over a heated plate àt a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point.the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
Answers: 1
Engineering, 04.07.2019 19:10
Arigid tank contains 10 kg of air at 137 kpa (abs) and 21°c. more air is added to the tank until the pressure and temperature rise to 242 kpa (abs) and 32°c, respectively. determine the amount of air added to the tank. [r-0.287 kj/kg k]
Answers: 3
An air conditioner unit contains a 8.7 hp electric motor to drive the compressor and a 0.6 hp electr...
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