The process of using heat to soften metal so it can be bent or formed has been used ____.
A. as long as mankind has worked with metals
B. since the 13th century
C. since the 16th century
D. since the Industrial Revolution
Answer: A
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In a mixed air system, the amount of fresh air needed can be calculated if you know _____.
a. outdoor and indoor air dry-bulb temperatures and mixed air wet-bulb temperature b. outdoor and indoor air wet-bulb temperatures and mixed air dry-bulb temperature c. outdoor air, indoor air, and mixed air dry-bulb temperatures d. outdoor air, indoor air, and mixed air wet-bulb temperatures
Most of the larger high-investment swine operations exceed an average of 2.0 litters per
sow per year. A. True B. False
Two measuring systems for linear measurments are ___________ and ______________.
Fill in the blank(s) with the appropriate word(s).
Why is it recommended to evacuate from three points on a solenoid control system (Carrier)?
A. Because the system is larger B. Because of the discharge check valve C. Because of the closed SV2 solenoid valve D. Because of the closed pilot solenoid valve