Engineering, 29.11.2021 23:50, silviamgarcia
A single-phase,230V, flat twin and earth TPS copper cable is to be installed to supply to a new oven in a bakery. The installation conditions are:
The voltage at the switchboard is 230V
The maximum permitted drop 2%.
The cable is route length is20metres
The cable is clipped direct (touching)
The load is 8 kW.
The ambient air temperature is 35 degrees
The conductor temperature is 75 degrees.
.(a)Calculate minimum size copper cable that can be used to supply the load.(turn over)
(b)Calculate minimum size copper cable that can be used to satisfy the volt drop requirements.
(c)State the minimum size copper cable that will satisfy the load and voltage drop requirements.
Answers: 1
Engineering, 04.07.2019 18:10, keigleyhannah30
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
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Engineering, 04.07.2019 18:10, redrosesxx
Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux
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Engineering, 04.07.2019 19:10, 592400014353
For a process taking place in a closed system containing gas, the volume and pressure relationship is pvi-constant. -1.5 bar, the process starts with initial conditions, pi = =0.03 m3 and ends with final volume, v2-0.05 m3 determine the work done by the gas.
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A single-phase,230V, flat twin and earth TPS copper cable is to be installed to supply to a new oven...
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