A16 mm wide space between two large fixed plane surfaces is filled with sae 30 oil at 35°c: what is the force required to drag a very thin plate of 0.4 m2 area, located midway between the two surfaces, at a speed of 0.25 m/s?

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

Which one of the following faults cause the coffee in a brewer to keep boiling after the brewing cycle is finished? a. an open circuit in the heating element b. a short circuit at the terminals c. welded contacts on the thermostat d. a leak around the gasket

Two slings are used to lift a girder of length l and uniform weight per unit length. what is the best position for the slings if the bending moment due to the weight of the girder is to be kept to a minimum?