The most common and simplest form of gear is:
a. bevel gear
b. helical gear
c. spur gear
d. worm gear
c. spur gear
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Answer the following statement(s) true (T) or false (F)
1. Alessandro Volta had begun his work in the 1830s by suspending zinc in zinc sulfate and platinum in nitric acid. 2. The Grove battery had a blotter soaked with salt water (later sodium nitrate) between a silver electrode and a zinc electrode with the two electrodes connected by wire. 3. In the contact theory, electricity is produced when chemical reactions occur, preferably spontaneously. 4. The market for electricity through most of the 20th century was in two things: heavy work and lighting. 5. At the turn of the century, Walther Nernst went from the liquid acid and molten alkali electrolytes to a solid electrolyte.
How can Boolean problems with five or six variables be solved?
What will be an ideal response?
The neutral point is the common point on a ____ in a polyphase system.
A. bye-connection B. branch circuit C. wye-connection D. delta circuit
When performing annual PM activities, measure the end play of the bearings and compare them to ________
A) the manufacturer's specifications B) the previous inspection report C) another machine's bearings D) an unused set