Which of the following roofing asphalts is commonly used for interply mopping?
A) Type I
B) Type II
C) Type III
D) Type IV
E) None of the above
C) Type III
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Answer the following statement(s) true (T) or false (F)
Cast iron fittings 4" or larger cannot be used indoors for fuel gas piping systems.
The number of full-time farms in the United States has been growing steadily since 1936
Indicate whether the statement is true or false.
____ are used in the mass production of automobiles, aircraft, railroad cars, home appliances, and similar products where relatively thin sheets are to be welded.
A. Rocker-arm spot welders B. Press-type spot welders C. Portable spot welders D. Resistance welders
X-rays are very sensitive and can be used to inspect the _____ of almost any material
a. density b. acoustic impedance c. magnetic flux d. magnetic permeability