On which of the two types of roofs (low-slope roofs and steep roofs) are the roof coverings more durable and why?

What will be an ideal response?


Steep roof coverings are more durable because they shed water rapidly. The rate of discharge of water from a roof is the primary determinant of a roof covering's durability.

Trades & Technology

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Line voltage devices may have contacts rated for 15 to ____________________ amperes.

Fill in the blank(s) with the appropriate word(s).

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Which of these is a high school program designed to train aspiring automotive technicians?

A) NATEF B) AYES C) ASE D) COBRA

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 Technician A says double-wall tubing is made in two ways: seamless and multiple ply. Technician B says that each must meet the specifications of SAE Standard J1047 as amended. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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____________________ is the standard metric expression for pressure.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology