Acar engine rotates at a speed of 3500 rpm and transmits 290 kw. determine the torque applied to the crankshaft of the car a)- 791.2 n. m b)- 1108 n. m c)- 13.2 n. m d)- 453.7 n. m

An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0

The proportional limit is always greater than the yield strength for a material. a)-trune b)- false

The power source in a certain welding setup generates 3500w that is transferred to the low carbon steel work with a heat transfer factor of 0.85. the melting factor in the operation is 0.45. a continuous fillet weld is to be made with a cross-sectional area of 23 mm2 determine the travel speed at which the welding can be accomplished.