Chamfers remove sharp edges, add to the appearance of the part, and:
A. Provide handling safety.
B. Reduce manufacturing costs.
C. Make assembly more difficult.
Answer: A
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Organisms that can derive energy from sunlight are called autotrophs, meaning “self-feeders.”
Indicate whether the statement is true or false.After conception, the hormone most responsible for alveolar development necessary for
milk synthesis is: A. estrogen B. progesterone C. follicle stimulation hormone
Why are slotted-head screws usually installed manually using a flat-blade screwdriver?
A) It is not possible to make flat-blade screwdriver tips for drills. B) It is very difficult to keep the bit aligned in the slot with a drill. C) The buildup of high static electricity charges can cause dangerous arcs. D) Federal legislation protecting domestic screwdriver manufacturers prohibits the sale of flat-blade screw driver tips for power drills.
What scale on a psychrometric chart can also be referred to as the sensible heat scale?
a. Wet-bulb b. Enthalpy c. Dry-bulb d. Dew point