36059366
Questão 1
Questão
In offhand grinding operations, ____.
Responda
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Great accuracy is required.
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The grinding is done on a lathe.
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The part is held in the operator’s hands.
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The part is rotated against a stationary abrasive tool.
Questão 2
Questão
A wet grinder __________.
Responda
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Has no provision for cooling the work.
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Requires that the part be dipped in water.
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Keeps the wheels constantly flooded with fluid.
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Cools the work by blowing air across its surface.
Questão 3
Questão
For safety reasons, the tool rest on a bench or pedestal grinder should be a maximum of ______ from the wheel.
Responda
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1/16”(1.5mm)
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3/32”(2.4mm)
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1/8”(3.2mm)
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3/16”(4.8mm)
Questão 4
Questão
Portable hand grinders are often used for ___________.
Responda
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roughing
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light deburring
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sharpening tools
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grinding to precise sizes
Questão 5
Questão
Grinding wheels should be examined frequently for all of the following except
Responda
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cracks
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diameter
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concentricity
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roundness
Questão 6
Questão
To obtain maximum efficiency from a grinder, you should _________.
Responda
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hold the work in one place on the wheel face
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grind using the sides of the wheel
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use the face of the wheel, not the sides
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grind only soft metals
Questão 7
Questão
The face of the wet grinder is crowned slightly to minimize the possibility of a carbide tip lathe cutting tool from. _____
Responda
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being ground away too rapidly
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damaging the wheel by causing excessive wear
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being damaged or destroyed by excessive heat buildup
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cracking the grinding wheel
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