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A 10 cm cube of aluminium initially in the oven at a temperature of 300c is immersed in boiling water at a constant temperature if 100c and the convection coefficient of h=900 w/m^2.c
Apply the lumped heat capacity theory and solve for the temperature of aluminium cube after one minute.
Calculate the heat loss rate at -10 F outside temperature, 70 F inside, assuming NO internal heat generation, i.e. shutdown at night - Calculate the outside "balance temperature" when the building is fully lighted and occupied with 200 customers an..
the cutting stroke of a planing machine is 500 mm and it is completed in 1 second. the planing table accelerates
one pound of nitrogen as an ideal gas expands isothermally at 70 f from a volume of 1 ft3 to a volume of 2 ft3. during
a car with mass 3250 lbm is driven at 60 mih when the brakes are applied to quickly decrease its speed to 20 mih.
an artificial kidney is a device that removes water and waste products from the blood. one kind of artificial kidney is
The magnetic flux that passes through one turn of a 12-turn coil of wire changes to 4.0 from 9.0 Wb in a time of 0.050 s. The average induced current in the coil is 230 A. What is the resistance of the wire?
A gear system having velocity ratio of 4 is connected by spur gears and has a 5-inch in center distance. The diametral pitch P is to be 6 T/in and the pressure angle is 20 degrees
methane is to be compressed from 0.05 mpa and -120degf to 5 mpa in a two-stage compressor. in between adiabatic
thermal convection in the presence of heating can be modelled bydtdt u dtdx v dtdy qcp k d2tdx2 d2tdy2 all are
A uniform solid circular cylinder of density 0.5p floats in a liquid of density p with its axis upright. The radius and height of the cylinder are R and 2R, respectively. Determine the mecacentric height and analyze the static stability of the floati..
the weight of a water tank open to the atmosphere is balanced by a counterweight equidistant from the fulcrum. there is
find the sum of two harmonic motions of equal amplitude but of slightly different frequencies. discuss the beating
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