In the HVAC/R industry, __________ are often used to shift sections of metal ductwork during installation to prevent surface damage.
A. ball peen hammers
B. cold chisels
C. rubber mallets
D. wooden mallets
Answer: C
Trades & Technology
You might also like to view...
When the field winding of a DC motor is connected in parallel with the armature, the motor is called a _____ motor.
A. series B. shunt
Trades & Technology
Underground service conductors installed as a cable assembly are required to be buried at least __________ feet by the NECĀ®.
a. 1 b. 2 c. 3 d. 4
Trades & Technology
___________ is the removal of vegetable matter from fleece by chemical means
a. Carbonizing c. Boiling b. Scouring d. Drying
Trades & Technology
What is the minimum allowable oil pressure differential before an oil safety control will trip?
a. 10 psig b. 20 psig c. 30 psig d. 40 psig
Trades & Technology