$1.$ Define the following terms and processes:

a$.$ Sensible heat balance ventilation rate

b$.$ Moisture balance ventilation rate

c$.$ Contaminant balance ventilation rate

d$.$ Minimum ventilation requirement

e$.$ Maximum ventilation rate for building airspace

f$.$ Ventilation graph

g$.$ Heat deficit temperature

h$.$ Heating load of a building

i$.$ Cooling load of a building

j$.$ Heating capacity for a ventilated airspace

$2.$ Given:

$-$ A grain drying facility dries $2000$ kg of corn per hour. Water content of the corn is $\backslash (30\backslash \%\backslash )$ in mass initially. After one hour drying, water content of the corn is $20\backslash \%.($All mass and percentage are on wet base.$)$

$-$ Outside air at $\backslash (20^\{\backslash$circ$\}\backslash$mathrm$\{$C$\}\backslash )$ and $\backslash (40\backslash \%\backslash )$ relative humidity. Air is heated $($sensible heating$)$ and then is forced into the drying chamber by a blower.

$-$ On average, air within the drying chamber is maintained at $\backslash (45^\{\backslash$circ$\}\backslash$mathrm$\{$C$\}\backslash )$ and $\backslash (35\backslash \%\backslash )$ relative humidity.

$-$ Assume the facility is well insulated and the heat transfer through the chamber shelter is negligible.

$3.$ Find:

a$.$ Total moisture removed per hour from the chamber.

b$.$ Air flow rate of the blower based on moisture balance ventilation.

c$.$ Temperature of supply air after heater but before entering the drying chamber, $\backslash ($ T$\_\{1\}\backslash ).($Hint: The enthalpy after the heater is the same as the enthalpy in the drying chamber.$)$

d$.$ The heater size $($i$.$e$.,$ heating capacity$),\backslash ($ q$\_\{$s$\}\backslash ),($in kW $)$ of the drying facility. Note: The heater only gives off sensible heat.