Engineering, 14.08.2020 09:01 alex43079
A 40MF capacitor in series with a coil of resistance 8ohms and inductance
80m H as connected to a 200v, 100Hz supply Calculate (a) The circuit impendance
b) the current flowing (C) the phase angle between voltage and current, d)
the voltuge across tho coil and (c) the voltage across the capacitor
Answers: 1
Engineering, 04.07.2019 12:10
On a average work day more than work place firs are reorted
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Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
Engineering, 04.07.2019 18:20
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
A 40MF capacitor in series with a coil of resistance 8ohms and inductance
80m H as connected to a 2...
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