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ISRO Technical Assistant Mechanical 2017
4

ISRO Technical Assistant Mechanical Question Paper - 2017 with Answer Key

4) Which of the following is not a cause of weld spatter?

Wrong polarity

Presence of surface contaminants

High welding current

Quality of consumables

Answer is:

Wrong polarity

ISRO Technical Assistant Mechanical Question Paper - 2017 with Answer Key

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Related ISRO Technical Assistant Mechanical Question Paper - 2017 with Answer Key

5) Open-circuit test on a transformer is to measure its

Copper loss

Leakage reactance

Equivalent impedance

Core loss

Answer is:

Core loss

6) Dow metal is an alloy of

Copper

Magnesium

Zinc

Molybdenum

Answer is:

Magnesium

7) Mond process is used for extraction of

Copper

Steel

Nickel

Aluminium

Answer is:

Nickel

8) The equilibrium state of a substance which co-exists in solid, liquid and vapour from at a single point is called

Critical point

Saturation point

Triple point

None of these

Answer is:

Triple point

ISRO Technical Assistant Mechanical Question Paper - 2017 with Answer Key

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