If portability is desired, _______ fittings should be used.
Fill in the blank(s) with the appropriate word(s).
flanged
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Answer the following statements true (T) or false (F)
1 A gravimetric feeder conveys material at a controlled rate by running at a set motor speed. 2 A volumetric feeder must have a predetermined maximum feed rate that is calculated by the feeder’s maximum motor speed and material density. 3 A trickle valve is a free-hanging flap between two different pressure environments and maintains an air seal inside a flow area. 4 Flare systems are most often used during emergency situations and unit start-ups and shutdowns to dispose of gases rapidly. 5 "Landfills allow contaminants to leach into the soil to complete their for proper decomposition." 6 A cement truck is an example of a drum mixer.
In the accompanying figure, find side x to the nearest hundredth millimeter. All dimensions are in millimeters.
A. 35.54 mm B. 36.96 mm C. 37.88 mm D. 39.00 mm
The reproductive disease campylobacteriosis may cause the conception rate to drop below _____
percent.
a. 40 c. 60 b. 50 d. 80
Voltage sources connected in parallel must have ____, and care must be taken to match the polarities—positive to positive and negative to negative.
a. the same voltage rating b. different voltage ratings c. proportionate voltage ratings d. equal or smaller voltage ratings