By design, which of the following air ducts will allow 250 cfm to flow with a velocity of 500 ft/min?
A. 9" x 8"
B. 16" x 9"
C. 10" x 9"
D. none of the above
Answer: A
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A section of a spur gear is shown in the accompanying figure. Clearance = 0.05 x Circular pitch. What is the clearance in inches if the circular pitch is 0.3692 inches? Round to four decimal places.
A. 0.0158 B. 0.0185 C. 0.0199 D. 0.0239
A technician notices during a road test for a pulling complaint that the steering wheel is slow to return to center and requires higher than normal steering effort. The most likely cause of this condition could be:
A. A worn lower ball joint B. Tire pressure is set too high C. A loose outer tie rod joint D. An over-adjusted steering rack preload
If each count of a four-bit Gray code represents a sector of equal size on a circular disc, the disc will be divided into how many sections? What are the degrees of each sector?
What will be an ideal response?
Which welding position would be used when the metal to be welded is at a right angle to the floor and the bead is drawn across the metal from right to left or left to right?
A. flat B. overhead C. horizontal D. vertical