Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A good grinding wheel will have a _________ sound
when it is “sounded”.
a. | dull | c. | ringing | b. | high
pitch | d. | low pitch |
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2.
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A fractured grinding wheel will have a _________
sound when it is “sounded”.
a. | dull | c. | ringing | b. | high
pitch | d. | low pitch |
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3.
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Grinding should be done only on the
__________.
a. | left side of the grinding wheel | c. | upper one-half of the grinding wheel | b. | right side of the grinding wheel | d. | lower one-half of
the grinding wheel |
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4.
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A grinder tool rest should never be more than _____
inch from the grinding wheel.
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5.
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When grinding, the operator should not stand
____________.
a. | in direct line with the grinding
wheel | c. | to the right side of the
grinder | b. | to the left side of the
grinder | d. | near the center line of the grinder |
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6.
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Grinding wheels which vibrate excessively do so
because ____________.
a. | they are out of round | c. | both a and b | b. | the arbor shaft of
the grinder is bent | d. | neither a nor b |
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7.
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The protective equipment item(s) which should be
used when truing a grinding wheel is/are _________.
a. | safety glasses | d. | all of
the above | b. | gloves | e. | a and c
above | c. | dust mask |
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8.
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If excessive pressure is applied to the grinding
wheel, it is likely to cause ________.
a. | a bent arbor | c. | an
overheated piece of metal | b. | a distorted piece
of metal | d. | a chipped grinding wheel |
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9.
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If the arbor revolutions per minute (RPM's) of
a given grinder is 3400, which grinding wheel would be safe for use on this particular
grinder?
a. | 1700 RPM grinding wheel | c. | 2800 RPM grinding wheel | b. | 2400 RPM grinding
wheel | d. | 4600 RPM grinding wheel |
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10.
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The spark deflector on a grinder should be adjusted
to within ____ inches of the grinding wheel.
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11.
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Before grinding, the operator should
_________.
a. | allow the grinder to reach full operating
speed | d. | a and b above | b. | make certain others are not standing in line with the grinding wheel
action | e. | a, b and c above | c. | clean the grinder
safety shields |
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12.
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Which of the following grinder wheels would cut the
fastest?
a. | Fine grit | c. | Course
grit | b. | Medium grit | d. | They would all cut
the same |
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13.
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A grinding wheel should be replaced when worn to
_____ of it’s original diameter.
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14.
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Which of the following grinding wheels would
produce the smoothest grinding surface?
a. | 30 grit | c. | 60
grit | b. | 40 grit | d. | 90
grit |
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15.
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The purpose of standing to the side when the
grinder is turned on is to ____________.
a. | to keep others out of the line of
work | c. | to make sure the grinder will come up to full operating
speed | b. | to keep from getting hit by flying
debris | d. | to make sure the wheel cover is on securely for the grinding operation to be
performed |
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Matching
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a. | Safety Shield | f. | Wheel Guard | b. | Plane Iron Grinding
Attachment | g. | Water
Pot | c. | Spark Deflector | h. | Motor | d. | Dust Chute | i. | Switch | e. | Tool
Rest | j. | Pedestal |
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16.
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#1
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17.
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#2
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18.
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#3
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19.
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#4
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20.
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#5
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21.
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#6
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22.
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#7
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23.
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#8
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24.
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#9
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25.
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#10
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