Polyurethane can be purchased in a high ____________________ form or ____________________
form.
Fill in the blank(s) with the appropriate word(s).
gloss, satin
satin, gloss
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Problem 1.36 A steel pipe of 400-mm outer diameter is fabricated from 10-mm-thick plate by welding along a helix that forms an angle of 20° with a plane perpendicular to the axis of the pipe. Knowing that the maximum allow¬able normal and shearing stresses in the directions respectively normal and tangential to the weld are ? = 60 MPa and ? = 36 MPa, determine the magnitude P of the largest axial force that can be applied to the pipe.
Determinant soybean varieties are generally grown in the southern states
Indicate whether the statement is true or false
The cutoff frequency for a frequency response is defined to be at the point where
A. the frequency is half of the fundamental B. the frequency is 0.707 times the fundamental C. the output power is 0.707 times the input power D. the output power is half the input power E. the output amplitude is half the input amplitude
A equivalent pipe is an
a. average length of pipe replacing a looped pipe system b. average pipe diameter replacing a series or parallel pipe system c. average pipe that has the same flow rate as a given real system d. theoretical pipe that has a minimum head loss for a given flow e. theoretical pipe that replaces a section of a real system so that the head loss in the two systems are identical for any flow