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21
In gear hobbing
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Answer: Option C
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22
The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel)
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Answer: Option C
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23
In order to grind soft material
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Answer: Option A
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24
The in-feed grinding is used to
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Answer: Option B
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25
The cutting tool in a milling machine is mounted on
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Answer: Option B
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26
It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?
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Answer: Option C
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27
In which of the following machine, the work is usually rotated while the drill is fed into work?
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Answer: Option D
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28
Crater wear is predominant in
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Answer: Option B
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29
In a shaper, the metal is removed during
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Answer: Option A
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30
The type of reamer used for reaming soft aluminium or copper, is
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Answer: Option B
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