Author Question: Which statement about economizers installed with packaged units is correct? a. All packaged units ... (Read 186 times)

panfilo · **on:** Jul 24, 2018

Which statement about economizers installed with packaged units is correct?

a. All packaged units are equipped with economizers.
b. Economizers require at least two compressors.
c. Compressors run less with economizers installed.
d. Economizers only function in the winter.

Question 2

For a welder qualification test, plate thicker than 3/8 (1.6 to 10 mm) thick requires _____.

a. a face bend and a root bend
b. two side bends
c. two side bends and two root bends
d. two face bends and two root bends