A building requires a pump with a head pressure of 15 feet and a flow rate 12 gallons per minute. Which of the following pumps should be used, based on the supplied performance data?
A) Total head pressure range: 8 to 0 feet; flow rate: 0 to 10 gallons per minute
B) Total head pressure range: 16 to 2 feet; flow rate: 0 to 14 gallons per minute
C) Total head pressure range: 12 to 3 feet; flow rate: 0 to 32 gallons per minute
D) Total head pressure range: 32 to 8 feet; flow rate: 0 to 8 gallons per minute.
B
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A Simpson gear train consists of ________.
A) One sun gear with two carriers with planet gears and two ring gears B) Two sun gears and one planet carrier and one ring gear C) One sun gear and two planet carriers and one ring gear D) Two sun gears with two planet carriers and one ring gear
Why must the expansion tank always be located higher than the boiler?
What will be an ideal response?
The advantages of manually adding filler metal include:
A) Control over depth of penetration B) Complete control over amount of filler metal C) Control over finished appearance D) All of the above
AutoCAD, IDEAS, and Pro-E/Creo are examples of
a. solid modeling software. b. civil engineering drawings. c. electrical drawings. d. electronic drawings.