The uniform concrete slab has a weight of 5500lb. determinethe
tension in each of the three parallel supporting cables whenthe
slab is held in the horizontal plane as shown.

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false