If the gear in the train in question 20 operates at 1200 RPM, how fast does the pinion operate?
a. 600 RPM
b. 2400 RPM
c. 1200 RPM
d. 4800 RPM
a. 600 RPM
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a. hybrids c. zygotes b. genotypes d. clones
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a. planning b. place c. programming d. patience
To break up very large boulders, specialists use a technique known as _____
a. snakeholing b. delay pattern blasting c. blockholing d. time-delay blasting
To ensure that the rafters or joists do not interfere with installation of the plenums on a curb-mounted rooftop unit:
A) The roof curb must be square with the roof joists or rafters. B) The roof curb must be installed diagonal to the roof joists or rafters. C) The roof joists or rafters are cut out where the curb is installed. D) The plenums are fabricated in place with the roof joists or rafters passing through them.