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.

$*$

$2\mathrm{.}8$ m$3/$s

$3\mathrm{.}0$ kg$/$s

$2800$ L$/$s

All choices

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

$*$

$24\mathrm{.}5$ kW$,10\mathrm{.}5$ kW

$21\mathrm{.}07$ kW$,10\mathrm{.}5$ kW

$21\mathrm{.}07$ kW$,9\mathrm{.}03$ kW

$19\mathrm{.}26$ kW$,10\mathrm{.}5$ kW

$8-$ Volumetric flow rate of supply air if the supply air temperature is $18\backslash$deg C$.$

$*$

$3300$ L$/$s

No correct choice

$3780$ L$/$s

$4880$ L$/$s

$9-$ Sensible heat ratio of the theater.

$*$

$0\mathrm{.}77$

$0\mathrm{.}45$

$0\mathrm{.}58$

$0\mathrm{.}68$

$10-$ Relative humidity of the supply air.

$*$

$57\%$

$82\%$

$76\mathrm{.}4\%$

$60\%$