A receptacle below a 4-way switch in the corner of a living room is required because the Code requires that a receptacle be installed in any wall space in. or more in width.

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.

Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.

The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false