A227 pound compressor is supported by four legs that contact the floor of a machine shop. at the bottom of each leg there is a circular pad formed from a synthetic material to dampen vibration. the synthetic material will support up to a maximum pressure of 42 psi before deforming. what is the minimum diameter to avoid deforming the material?

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

Agas mixture with a compostion of 55 methane, 30% propane, and 15 butane by volume) is compressed from 1 bar and 25°c to 9bar in a compressor with an isentropic efficiency of 85%. the environment has a temperature of to25 c. determine (a) the exit temperature of the mixture (b) the specific work required to run the compressor (c) the specific entropy generation of the process (d) the specific exergy destruction of the process (e) the second law efficiency of the compressor