The air force developed the world’s first stealth aircraft, named what?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

On a average work day more than work place firs are reorted

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.