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A batch of 20 tons of liquid copper is to be cooled from 2350°F to 2200°F by adding solid copper at 77°F . Assume no heat loss.
(a).What quantity of solid copper should be used?
(b) what temperature would be reached if 2 tons of solid copper were added instead?
Consider a building whose annual air-conditioning load is estimated to be 120,000 kWh in an area where the unit cost of electricity is $.10/kWh. Two air conditioners are considered for the building.
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The ammonia is fed at 100 m^3/hr and the reaction is 80% complete. The NO is separated form the ammonia and water and recycled back as shown in the figure below. Calculate the volumetric flow rate (m^3/hr) of ammonia recycled at 150 C and 150 kPa.
if a vsdmotor combination has a torque of 100 n.m at the rated speed and full power what is the maximum torque it can
Determine the work input and entropy generation during the compression of steam from 100 kPa to 5 MPa in (a) an adiabatic pump and (b) an adiabatic compressor is the inlet state is saturated liquid in the pump and saturated vapor in the compressor an..
assuming that the diameters of 1000 brass plugs taken consecutively from a machine form a normal distribution with
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silicon carbide sic has a specific gravity of 3.1 gcm3. a sintered sic part is produced occupying a volume of 500 cm3
consider the base of an 800 w household iron with a thickness l 0.6cm base area 160cm2 and thermal conductivity k 60
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