Two technicians are discussing engine vacuum readings. Technician A says that a fluctuating vacuum gauge is a sign of a vacuum leak. Technician B says that a fluctuating vacuum gauge is a sign of possible engine problems. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: B
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A PV panel weighs 28.167 lbs. and covers 13.74 sq. ft. of roof space. What is the rati?o of panel weight to sq. ft. of roof?
Fill in the blank(s) with the appropriate word(s).
The term quarter-sawedmeans _____.
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Fill in the blank(s) with correct word
A power tool that is well suited for breaking up concrete during demolition work is a(n) _____
a. saber saw b. impact wrench c. pavement breaker d. powder actuator