Most hammer drills will not hammer until pressure is _____
A) released from the powder charge
B) reached in the hydraulic cylinder
C) detected at the trigger lock
D) applied to the drill bit
Answer: D
Trades & Technology
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The Swiss Cheese model of accident causation is often referred to as what?
A) Cumulative act effect B) Layering effect C) Food-effect D) All of the above
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How many unique numeric symbols are used in the decimal number system?
A) ten B) one C) unlimited D) nine
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When referencing a triple-countershaft transmission which of the following is true?
A. Output torque is multiplied by 3 B. It transmits one third of the torque C. Input torque is split 3 ways D. It requires a torque converter
Trades & Technology
The Occupational Safety and Health Act, or OSH Act, of 1970 mandates that employers provide safety and health training.