All of the following are steps in inspecting the fifth wheel EXCEPT:
A. check the kingpin for bends, breaks, or rust
B. make sure the locking jaws are closed
C. make sure the fifth wheel is tilted downward toward the rear of the tractor with service brakes on
D. make sure the safety release handle is in the automatic lock position
Answer: B
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Lime-based mortar is high in _____, which means that the mortar resists drying effects when combined with the masonry units to build a wall.
A. water retentivity B. bond strength C. workability D. tensile strength
Which of the following is an NEC® requirement for grounding and bonding cable tray installations?
a. Only single conductor cable may be used in cable trays used as equipment grounding conductors. b. Nonmetallic cable trays must be bonded with flexible bonding jumpers. c. Steel or aluminum trays may be used as equipment grounding conductors. d. Metal cable tray does not require bonding.
Heat is an example of a catalyst in a process called catalyzation
Indicate whether the statement is true or false
The time taken by an automobile mechanic to complete an oil change is random with mean 29.5 minutes and standard deviation 3 minutes.
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