What is the relationship between backlash and helical gears?
What will be an ideal response?
Helical gears are much quieter and have replaced spur gears in transmissions. They are machined at an angle, which gives them a continuous flow of power across the gear teeth. Engagement starts at the tip of one end of the gear tooth and rolls across the tooth. This keeps backlash to a minimum and makes these gears quieter.
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A) The bucket B) Letting it all out C) Letting off steam D) The plate
The schematic wiring diagram uses photos to represent electrical components in the system.
Answer the following statement true (T) or false (F)
Galvanized iron pipe has been dipped in molten zinc to make it:
A) More aesthetically appealing. B) Corrosion resistant. C) Resistant to heat. D) Resistant to water.
No information to the left of a groove weld symbol indicates ________ required
A) Partial penetration B) No penetration C) Complete joint penetration D) None of the above