An evening auditorium seats $350-$persons and is maintained at $26\backslash$deg C db and $50\%$ RH$.$ The heat gain due to heat transfer through walls roof, etc. is $15$ kW$.$ The outside air temperature is $38\backslash$deg C and its relative humidity is $60\%.$

$6-$ Ventilation air required.

$7-$ Sensible and latent heat gains due to occupants. The CLF$)$oc$.=0\mathrm{.}86$

$\mathrm{.}8-$ Volumetric flow rate of supply air if the supply air temperature is $18\backslash$deg C$\mathrm{.}9-$ Sensible heat ratio of the theater$\mathrm{.}10-$ Relative humidity of the supply air.