A sling psychrometer ____.
A. measures the dry-bulb and wet-bulb temperatures of air
B. measures the air velocity through a duct
C. uses a microprocessor to provide information for proper air balance
D. measures the quantity of air, in cfm, flowing through a duct
Answer: A
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Answer the following statement(s) true (T) or false (F)
1. Circularity is a perfect condition. 2. Surface texture deviations are included in a cylindricity tolerance zone. 3. Rule #1 is a direct form control. 4. Where a cylindricity tolerance is applied to a cylindrical surface, the tolerance zone applies along the entire length of the cylinder. 5. A cylindricity gauge is an instrument used to measure cylindricity deviation.
La lógica del relé y la tabla real que se muestran en la Figura 2 representan una función_______.
a. AND
b. OR
c. NOR
d. NAND
A belt-driven blower assembly that has a resilient mounting requires a grounding strap. Why?
What will be an ideal response?
The institution of encomienda allowed the
A. native people to enslave members of other tribes. B. Europeans to marry Native Americans. C. European governments to give Indians to colonists if they promised to Christianize them. D. governments of Europe to abolish the practice of Indian slavery and to establish African slavery. E. Europeans to establish an economy based on capitalism.