Knowing that the bending moment in the reinforced concrete beam shown is 150 kip. ft
and the modulus of elasticity is 3.75*106 psi
for the concrete and 30*106 for the steel,
determine (a) the stress of the steel (b) the
maximum stress of the concrete
1-in.
diamel

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.