Read and answer each question carefully.
3. you should wear these type of gloves to protect yourself from electrical sparks.
a)
latex gloves
b)
aluminized oves
c)
aramid fiber gloves
d)
leather gloves

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero

An air-conditioning system consists of a heating section and an evaporative cooler. air enters the heating section at 10°c and 70 percent relative humidity at a rate of 30m^3/min, and it leaves the evaporative cooler at 20°c and 60 percent relatively humidity. if the air conditioning system operates at a total pressure of 98 kpa, determine (a) the temperature and relative humidity of the air when it leaves the heating section, (b) the rate of heat transfer in the heating section, and (c) the rate of water added to air in the evaporative cooler