What is the primary difference between a freestanding deck and a basic porch system?
A) Basic porches require footers but freestanding decks do not.
B) Freestanding porches do not require guardrails.
C) Basic porches require diagonal bracing but freestanding decks do not.
D) Freestanding porches do not attach directly to the house.
[Ques. 2] The flanges of steel studs are ________ inches thick.
A) 1 1/2 B) 3/4 C) 3 1/2 D) 2
[Ques. 3] When copper is being brazed to steel _____.
A) the technique is identical to brazing copper to copper
B) more heat is applied to the steel fitting
C) a filler metal with a high silver content is used
D) a filler metal with a high phosphorus content is best
[Ques. 4] According to the text, 100 pieces of concrete tile are needed to cover one square (100 sq.ft) of roof area.
Indicate whether the statement is true or false
[Ques. 5] Grease and oil must be kept away from oxygen tanks used for brazing because they _____.
A) could cause an explosion in the presence of oxygen
B) will clog the oxyacetylene torch
C) will contaminate the brazed joints and cause them to fail
D) are incompatible with lubricants used on the oxygen regulator
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