Author Question: When mixing dry mix with a powered device, such as an electric drill, the rotation speed should be ... (Read 50 times)

MirandaLo · **on:** Jul 24, 2018

When mixing dry mix with a powered device, such as an electric drill, the rotation speed should be slow,
typically _____.

a. 100 to 300 rpm
b. 200 to 400 rpm
c. 300 to 500 rpm
d. 400 to 600 rpm

Question 2

The type of compound commonly called 20-minute mud, 30-minute mud, or hot mud is _____ compound.

a. timed
b. minute
c. quickset
d. premix