When creating an offset using 10° bends (with a multiplier of 6) to cross a 6-inch obstruction, the distance between bends is _____.

a. 12 inches
b. 24 inches
c. 36 inches
d. 42 inches


c. 36 inches
6.0 x 6" = 36"

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Rule 2 for calculating rise-to-run ratio is stated as _____.

a. Tread width + riser height = 17" to 18" b. Tread width + (2 × riser height) = 24" to 25" c. Tread width + (3 × riser height) = 34" to 35" d. Tread width × riser height = 70" to 75"

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The pump horsepower requirement is nearest:

Refer to the Rankine cycle with temperatures and pressures shown. Note that m = 2 kg/s of water.


A) 10 hp
B) 13 hp
C) 16 hp
D) 19 hp

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_____ operations are the second phase of the beef industry

A) Purebred B) Stocker C) Cow-calf D) Feedlot

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A chemist wishes to estimate the concentration of particles in a certain suspension. She withdraws 3 mL of the suspension and counts 48 particles. Estimate the concentration in particles per mL and find the uncertainty in the estimate.

What will be an ideal response?

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