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ISRO Technician-B
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ISRO Technician-B Fitter 2016
52

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

52) The index of performance for a machining operation is a function of MRR - Material Removal Rate, TWR - Tool Wear Rate

(MRR)/(TWR)

(TWR)/(MRR)

(MRR-TWR)/(MRR)

(TWR-MRR)/(TWR)

Answer is:

(MRR)/(TWR)

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

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Related ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

53) Degrees of freedom for a robot is

10

6

3

5

Answer is:

6

54) Shaving of metals is done in-order to

remove burr and improve accuracy

remove excess metal

remove scrap

all of the above

Answer is:

remove burr and improve accuracy

55) When holes are required to be machined in several faces in small work piece, the jig used is

box jig

latch jig

pot jig

post jig

Answer is:

box jig

56) Major draw back of EDM process is that

it has very high capital cost

power consumption is very high

wear takes place at electrode at each spark

material removal rate is less

Answer is:

wear takes place at electrode at each spark

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

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