Give the components of a steep roof from top down.
What will be an ideal response?
(i) Roof shingles, (ii) roof underlayment, (iii) ice dam protection, where needed, (iv) roof deck, and (v) valley
flashing and perimeter flashings.
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Transformers in which the primary and secondary voltages are 180 degrees out of phase are known as _____.
a. unlike-wound transformers b. like-wound transformers c. unequal transformers d. step-up transformers
When using site-layout instruments, the readouts for angular measurements are typically expressed in _____.
a. degrees Celsius b. delta values c. decimal fractions d. degrees, minutes, and seconds
Used only on precision machine parts, a(n) ____ sealer hardens in the absence of air.
What will be an ideal response?
Baseboard hot water heat is an example of ____________________ heat.
Fill in the blank(s) with the appropriate word(s).