An enthalpy control measures of the outside air to determine if outside air can be used in the conditioned space.

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um

Apressure vessel with an r/t 20 cannot be treated as thin walled vessel. a)-trune b)- false