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Question 1
Question
In offhand grinding operations, ____.
Answer
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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.
Question 2
Question
A wet grinder __________.
Answer
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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.
Question 3
Question
For safety reasons, the tool rest on a bench or pedestal grinder should be a maximum of ______ from the wheel.
Answer
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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)
Question 4
Question
Portable hand grinders are often used for ___________.
Answer
-
roughing
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light deburring
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sharpening tools
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grinding to precise sizes
Question 5
Question
Grinding wheels should be examined frequently for all of the following except
Answer
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cracks
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diameter
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concentricity
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roundness
Question 6
Question
To obtain maximum efficiency from a grinder, you should _________.
Answer
-
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
Question 7
Question
The face of the wet grinder is crowned slightly to minimize the possibility of a carbide tip lathe cutting tool from. _____
Answer
-
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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