Air in the hot water circulating system will cause ____.

A. corrosion
B. noise
C. flow blockage
D. all of the above


Answer: D

Trades & Technology

You might also like to view...

Nails for drywall application should have heads that are thin at the rim and _____.

a. oval b. domed c. flat or concave d. convex

Trades & Technology

Cotton insulation, available in unfaced batts, is made from over 80% post-industrial recycled denim waste with ____ that are similar to those used in textiles.

A. natural fibers B. flame retardants C. man-made fibers D. microfibers

Trades & Technology

t is

A. Benchmark B. Fore sight C. Instrument location D. Back sight E. Rod F. Turning Point G. Line of sight H. Height of instrument

Trades & Technology

The amount of voltage produced by a cell is determined by the material of which it is made.

Answer the following statement true (T) or false (F)

Trades & Technology