These are conical-shaped gears, allowing the shafts of the gear and pinion to intersect at any desired angle and provide for speed change between gear and pinion.
a. bevel gear
b. helical gear
c. spur gear
d. worm gear
a. bevel gear
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Which of the following is an electrical device used to start, stop, or otherwise reconfigure the flow of electricity in a circuit?
A. Fuses B. Switch C. Transformer D. Circuit breaker
The crankcase heater protects the compressor on startup by
A) vaporizing any liquid refrigerant that may enter the compressor during the OFF-cycle B) Keeping the oil warm so that it does not become too thick to lubricate properly C) Drying out any water in the oil D) Providing an extra heat source, making the compressor's job easier
What is the function of the power supply?
What will be an ideal response?
Are beneficial insects like the honeybee and the butterfly immune to the
pesticides that are used to kill harmful insects? What do you think would happen if there were no butterflies or honeybees?
What will be an ideal response?