The temperature of the mortar should never exceed ____ degrees Fahrenheit.
A. 120
B. 130
C. 140
D. 150
Answer: A
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A large quantity of smoke that can be generated during FCA welding.
Answer the following statement true (T) or false (F)
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What is the ideal velocity for landscape irrigation in feet per second?
a. 3 c. 5 b. 4 d. 6
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In an acute triangle, one angle is greater than 90°.
Answer the following statement true (T) or false (F)
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Most HVACR systems operate on:
A) Modulating current (MC). B) Direct current (DC). C) Alternating current (AC). D) Natural current (NC).
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