Why are air-acetylene, air MAPP, or air-propane torches preferred over oxyacetylene torches for soldering copper pipes?

A) Oxyacetylene temperatures can easily overheat the pipe.
B) They have smaller, more focused flames than oxyacetylene torches.
C) They all produce a much hotter flame than oxyacetylene torches.
D) Oxyacetylene torches cannot be used with solder because of the possibility of adverse chemical reactions.


A

Trades & Technology

You might also like to view...

One way of estimating masonry cement is by calculating the number of cubic feet per _____ square feet of wall area.

A. 50 B. 100 C. 200 D. 250

Trades & Technology

What are the three stages of parturition?

What will be an ideal response?

Trades & Technology

Alternate freezing and thawing of the soil during the winter can cause ____________________ of the turfgrass

Fill in the blank(s) with correct word

Trades & Technology

Foundation plans and roof framing plans are included in the _____

a. structural drawings b. elevation drawings c. mechanical drawings d. civil drawings

Trades & Technology