#$24,1\mathrm{.}08cfm$ delta Temp $=?$

#$25,$ you have a standing column of water is $40$ feet tall, what is the pressure at the bottom.

Reminder one foot water $=.$point $\mathrm{.}433$ psig

#$26,$ Your Boiler steam gauge reads $8\mathrm{.}6$ PSIG. But the boiler is OFF LINE,,, The boiler is $2$ stories high. Or

about $20$ feet, Why is the gauge reading $8\mathrm{.}6$ psig.

# $27,$ Name $4$ ways Cooling tower water can be addressed for Chemical Treatment.

#$28,$Name $5$ ways you can gain some confidence with CFM$.$

$1$

$2$

$3$

$4$

$5$