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ISRO Technician-B Machinist 2012
6

ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

6) What is the effect of clearance angle of cutting tool in lathe, when it is set above the center height?

Front clearance angle gets increased

Front clearance angle gets decreased

No change in front clearance angle

None of these

Answer is:

ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

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Related ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

7) For turning cast iron, which tool material is most suitable for turning with maximum cutting speed?

Diamond

Stellite

Cemented carbide

HSS

Answer is:

Diamond

8) Weight of aluminum sheet (density 2.7gm/cc) of size 1 meter width, 1 meter length and 1 mm thickness is

27 kg

2.7 kg

0.27 kg

1 kg

Answer is:

2.7 kg

9) What is the name of the control system of the CNC machine in which the actual position of the tool is compared with the input value?

Hydraulic control

Servo control

Pneumatic control

None of these

Answer is:

Servo control

10) A hole of Diameter 20 H7 is to be finished. What measuring device will you select to check whether the size of hole is within the limit or not?

Limit plug gauge

Vernier micrometer

Vernier caliper

Limit ring gauge

Answer is:

ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key

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