The rack-type system is the most common configuration for which type of system?
A) Distributed B) Secondary-loop C) Multiplex D) Direct-expansion
C
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Which of the following should you do when servicing tapered roller-type wheel bearings?
A. Reinstall the old hub seal B. Spin the bearings with compressed air C. Leave metal burrs in the hub seal recess D. Clean, inspect, and repack the bearings
Materials that are thick, are round, or have surfaces covered with rust, paint, oil, and so on, require less preheat flame.
Answer the following statement true (T) or false (F)
As new highways are constructed and old ones are widened, moved, or repaired, millions of miles of road banks are subject to water-caused erosion
Indicate whether the statement is true or false
The manipulation of the electrode or torch in a straight line or oscillating pattern affects ____.
A. the size and shape of the weld B. the width, reinforcement, and penetration of the weld C. the strength, appearance, and possible acceptance of the joint D. the reinforcement, width, and appearance of the weld