Of what MA does a screw jack take advantage?
A. lever
B. inclined plane
C. rack and pinion
D. block and tackle
Answer: B
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It is more difficult for new rings to seal against an out-of-round cylinder than a tapered one.
Answer the following statement true (T) or false (F)
Which of the following components is a requirement on every air tank?
A. An air dryer B. A safety valve C. A drain cock D. A pressure protection valve
Joe wants to be given a job to do and then left alone to do it. He tends to set moderately
difficult goals for himself and to really get involved in his work. He also has a strong need for knowing how he is doing. In which of the following needs is Joe high?
a. Achievement b. Affiliation c. Power d. Security e. Potential
A dynamometer actually measures ________ output of an engine
A) Torque B) Force C) Power D) None of these