Technician A says heat checking can be caused by numerous panic stops in rapid succession. Technician B says it can be caused by "riding" the brake pedal. Which technician is correct?
A) Technician A only B) Technician B only
C) Both Technicians A and B D) Neither Technician A nor B
C
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One convention for sketching 3-D objects on a 2-D sheet of paper, called the 3-D coordinate system, uses mutually perpendicular axes, typically labeled ____.
A. a, b, and c B. alpha, beta, and gamma C. x, y, and z D. r, theta, and phi
The KDE terminal program is called ____.
A. Kterm B. Konsole C. Kicker D. Kommand
Brake cleaning is being discussed. Technician A says the fumes from aerosol cleaners and open part washers are heavier than air and will settle to the lower part of the work area. Technician B says solvent vapors are not harmful. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Problem 1.C1
A solid steel rod consisting of n cylindrical elements welded together is subjected to the loading shown. The diameter of element i is denoted by di and the load applied to its lower end by Pi, with the magnitude Pi of this load being assumed positive if Pi is directed downward as shown and negative otherwise. (a) Write a computer program that can be used with either SI or U.S. customary units to determine the average stress in each element of the rod. (b) Use this program to solve Probs. 1.1 and 1.3.