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A Carnot Engine operates between two reservoirs maintained at 400 degrees celcius(673.15K) and T2, respectively. The heat transfer from the high temperature reservoir is 25kW. If the power developed by the engine is 13.74kW, determine T2. Caculate the heat loss at 30 degrees celcius (303.15K).
A 40 mm diameter hole is drilled 3 m deep into the steel shaft. When the two torque are applied, determine (a) the maximum shear stress in the shaft: and (b) the angle of rotation of the free end of the shaft. Use G= 83GPa for steel.
refrigerant-134a enters the evaporator coils placed at the back of the freezer section of a household refrigerator at
What is the composition, in atom percent, of an alloy that consists of 5.5 wt% Pb and 94.5 wt% Sn?
an industrial water shutoff valve is designed to operate with 30 lb of effort force. The valve will encounter 200 lb of resistance force applied to a 1.5 in. diameter axle. what is the required wheel diameter to overcome the resistance force?
two rigid tanks that are each 20 ft3 are connected by a line containing a control valve that is initially closed. tank
two tanks are connected by a valve. tank a contains air at 200 kpa volume of a 0.5 m3 and temperature of a 30oc. tank
a thermopane window consists of two 6-mm thick glasses separated by a stagnant air space of thickness 6 mm. the thermal
Using the formula to compute torque and having a torque of 4966.97, with the RPM's at 250, Would my calculation for horsepower be correct at 236.4 hp?
Calculate the magnitude of the moment about the base point O of the 600 N force and calculate and draw the shear force and bending moment diagram for the cantilever beam
1. a commercial refrigerator keeps food fresh at -12 ordmc. it is estimated that the refrigerator removes 3300 kjhr
steam with 88.6% quality and a flow rate of 750 kg/s enters a condenser operating @ 75 KPa. Saturated liquid leaves the condenser. How much heat is rejected to the cooling system.
a specimen of material a in a tension test elongates from an original length of 2.2 to a length l uniformly after which
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