Technician A says that whenever the speed of the drive gear is lower than the speed of the driven gear an overdrive results. Technician B says that gear speeds are proportionate to their respective gear ratios. Who is correct?
A. Technician A
B. Technician B
C. Both
D. Neither
Answer: B
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Why did the development of 80 percent efficient furnaces using draft-inducer fans present a problem for venting tables?
A) The inducer fan cooled the air, and a smaller vent was required to prevent condensation. B) The use of natural-draft and draft-induced furnaces had little impact on venting tables. C) The draft-inducer fans required the use of a larger vent. D) The fan heated the air too much for standard venting.
Parthenon in Athens, Greece, represents ____________________ architecture.
Fill in the blank(s) with the appropriate word(s).
Mechanical type brakes cannot hold a suspended load.
Answer the following statement true (T) or false (F)
¿Qué tipo de aislamiento se puede instalar con una pistola de pegamento?
a. Fibra de vidrio. b. Silicato de calcio ("kaylo"). c. Espuma flexible. d. Foamglass.