34) The normal range of operating temperature of Hard Anodising process is

55 to 60 degree centigrade

"-15 to -20 degree centigrade"

0 to -5 degree centigrade

15 to 20 degree centigrade

Answer is:

0 to -5 degree centigrade

ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

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35) The main etchant used for Chemical Milling of Aluminium alloys is

Sodium Hydroxide

Sodium Chloride

Copper Sulphate

Chromic acid

Answer is:

Sodium Hydroxide

36) Which method is used to measure the thickness of anodised film of aluminium

Ultrasonic

Magnetic

Eddy current

None

Answer is:

Eddy current

37) The following is not a "Personal Protective Equipment"

Desiccator

Apron

Respirator

Goggles

Answer is:

Desiccator

38) Which is a type of electro-deposition in which metal is deposited onto an electro conductive surface and is built up into a rigid structure and reproduced it, after getting the desired geometry.

Electro-winning

Electro-chemical machining

Electro-phoretic deposition

Electro-forming

Answer is:

Electro-forming

ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

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34) The normal range of operating temperature of Hard Anodising process is

0 to -5 degree centigrade

ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

Related ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

35) The main etchant used for Chemical Milling of Aluminium alloys is

Sodium Hydroxide

36) Which method is used to measure the thickness of anodised film of aluminium

Eddy current

37) The following is not a "Personal Protective Equipment"

Desiccator

38) Which is a type of electro-deposition in which metal is deposited onto an electro conductive surface and is built up into a rigid structure and reproduced it, after getting the desired geometry.

Electro-forming

ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key