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ISRO
ISRO Technician-B
Machinist
ISRO Technician-B Machinist 2015
12

ISRO Technician-B Machinist Question Paper - 2015 (Set -1) with Answer Key

12) Open tolerance is an indication of

Medium precision

High precision

Very high precision

low precision

Answer is:

Medium precision

ISRO Technician-B Machinist Question Paper - 2015 (Set -1) with Answer Key

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Related ISRO Technician-B Machinist Question Paper - 2015 (Set -1) with Answer Key

13) coatings are applied to cutting tools to

Reduce cutting forces

increaseing cutting forces

reduce surface finish

none of the above

Answer is:

Reduce cutting forces

14) Angle plate is made of

Closed grain cast iron

cast steel

tool steel

high speed steel

Answer is:

Closed grain cast iron

Angle plate is made of

15) The grain size of a grinding wheel is indicated by number. Which range of grain size reffered to 'very fine'?

10 - 20

30 - 60

220 - 600

80 - 180

Answer is:

220 - 600

The grain size of a grinding wheel is indicated by number. Which range of grain size reffered to 'very fine'?

16) Due to continuous use the grinding wheel of an offhand grinder is glazed locally. What tool will you use to rectify these defects?

Buffing wheel

Diamond wheel

CBN wheel

Diamond dresser

Answer is:

Diamond dresser

ISRO Technician-B Machinist Question Paper - 2015 (Set -1) with Answer Key

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