What does a water hardness test indicate to us?
What will be an ideal response?
The combined quantity of Ca and Mg in the water expressed as calcium
carbonate equivalents.
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The shear strength may be expressed in pounds or ____ per spot.
A. grams B. vectors C. newtons D. slugs
Compute the effective file entropy H sub "f" (xx.x bits) of the file that contains the following symbol sequence
What will be an ideal response?
What type of detector uses ultrasonic waves to detect changes in the density of the fluid traveling through the pipe?
A) Fluorescent dye leak detector B) Electronic leak detector C) Electronic sight glass D) Ultrasonic-type leak detector
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