Describe the A, B, and C gear hubs.
What will be an ideal response?
Gear hubs are referred to as A, B, or C hubs. An A hub is also called a flush hub, because there is no projection from the gear face. B hubs have a projection on one side of the gear, and C hubs have projections on both sides of the gear face.
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Chemical solutions used in a beauty salon should be:
What will be an ideal response?What will be an ideal response?
Even in a detailed drawing of a bevel gear, simplified representations are used, so in the circular view, the outside diameter and the root diameter are shown as centerlines, and the pitch diameter is shown as a phantom line.
Answer the following statement true (T) or false (F)
When changing the superheat setting on a TXV, _____
a. the system must be shut down b. the system must be in operation c. completely remove the packing nut from the adjusting stem d. close off the equalizer line until the adjustments are complete
The formation of black schools and churches illustrates both __________
a) expressions of black identity and the exclusion of blacks from white institutions b) the success of black business and the wealth of free black communities c) the openness of white northerners and the leadership of free black politicians d) the decline of slavery in the early United States