The ____ on a machine print alerts the machinist that the surface must be machined to the given specification.
A. surface finish symbol
B. surface symbol
C. boss symbol
D. default symbol
E. none of the above
Answer: A
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Power equipment engine batteries are rated in ____________________ hours.
Fill in the blank(s) with the appropriate word(s).
Express 12/17 as a decimal fraction rounded four places.
A. 0.7059 B. 0.6542 C. 0.7058 D. 0.2563
Controlling algae or slime in open recirculating systems involves using chemical treatments and _____.
a. cleaning the equipment thoroughly at regular intervals b. injecting scavenger microorganisms into the makeup water c. keeping the temperature of the water in the sump below 60°F d. restricting the air current path to the cooling tower periodically
All of the below are factors in camshaft performance EXCEPT _____.
A. duration B. rate of lift C. overlap D. valve size