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A large fireplace in a ski lodge has a glass firescreen which covers a vertical opening in the fireplace. The opening is 1.2 m high and 2.5 m wide. Its surface temperature is 230 0C and the ambient air temperature is 24 0C. Determine the convective rate of heat transfer from the fireplace to the room.
an oven has five radiant heaters each one is rated at 15 kw. it should heat some 2-kg steel plates from 20 degrees
a floating cone with tip angle 60 degrees has. mass of m1300kg is placed in sea water with density rho 1025kgm3. on top
water is the working fluid in an ideal rankine cycle. superheated vapor enters the turbine at 8 mpa 450 degc. the
convert the following pressures into absolute presuures.you may assume that the atmospheric pressure at the time of
saturated water vapor at 13.32 bar enters an insulated throttling valve which drops the pressure to 1.50 bar. determine
the molar heat capacity of liquid iron exceeds that of iron vapor by 2.5222calkthe molar heat of evaporation of liquid
A collar B of weght W can move freely along thevertical rod. The constant of the spring is k and the spring is unstretched when theta=0. Derive an equation in W thrta k and l that must be satisfied when h collar is in equilibrium.
determine the minimum no of teeth required on pinion in order to avoid interference which is to gear with 1 a wheel to
Water at 150C flows in 1½-inch Sch 40 steel pipe with a flow velocity of 2.86 m/s. The pipe expands to 4-inch Sch 40.
stainless stell ball bearings desity 8085 kgm3 and cp 0.480 kjkgc having a diameter of 1.2 cm are to be quenched in
If after 49.5 h the concentration of carbon is 0.35 wt% at a position 4.0 mm below the surface, determine the temperature at which the treatment was carried out.
Advanced Stress Analysis Assignment
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