____ is a force that holds together the molecules of unlike substances when the surfaces come in contact.
A. Fusion
B. Adhesion
C. Malleability
D. both a and b
E. none of the above
Answer: B
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Problem 1.58* The Load and Resistance Factor Design method is to be used to select the two cables that will raise and lower a platform support¬ing two window washers. The platform weighs 160 lb and each of the window washers is assumed to weigh 195 lb with equip¬ment. Since these workers are free to move on the platform, 75% of their total weight and the weight of their equipment will be used as the design live load of each cable. (a) Assuming a resis¬tance factor ? = 0.85 and load factors ?D = 1.2 and ?L = 1.5, determine the required minimum ultimate load of one cable. (b) What is the corresponding conventional factor of safety for the selected cables?
Technician A says that a slide-bump shift can be caused by a defective throttle valve (TV). Technician B says that this type of shift can be caused by the accumulator piston bottoms out before the shift is complete. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Determine v for t > 0 in the circuit in Fig. 16.60.
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If the previous backlog was 20 units, the planned input was 25 units, and the planned output was 30 units, the planned backlog would be:
A) 15 units. B) 25 units. C) 10 units. D) 5 units. E) 20 units.