Which of the following restrictions are best used for measuring fluids that contain solid particles?
A. orifice
B. flow nozzle
C. venturi
Answer: C
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What tool or instrument can be used for measuring infiltration or exfiltration in a building?
What will be an ideal response?
Electromagnetic induction is best defined as the process by which a voltage is produced in a conductor when there is:
A) motion between the magnetic poles. B) motion around the magnetic fields. C) motion between the conductor and the magnetic field. D) energy produced by the rotating coils.
What are the advantages of using pneumatic controls?
What will be an ideal response?
One key difference between mineral wool and fiberglass is _____.
a. only fiberglass can be referred to as "mineral wool" b. only fiberglass can be used for high-temperature applications c. only mineral wool can prevent fires d. only mineral wool is available in higher densities