KPCL AE Mechanical Question Papers - 2015 with Answer Key

KPCL AE Mechanical Question Papers - 2015 with Answer Key

31) Which of the following process is uded to prevent formation of iron oxide by applying a protective zinc coating to iron?

Answer is:

Galvanizing

32) Which of the following is the heat treatment process in which iron or steel absorbs carbon liberated when the metal is heated in the process of a carbon bearing material, in order to make the metal harder?

Answer is:

Carburizing

33) The neutral flame is created by supplying the flame with the amount of oxygen which is

Answer is:

precisely enough for burning, and neither oxidation nor reduction occurs

34) The process where there is no reduction of material, only a modification in its geometry, is called

Answer is:

Lancing

35) Which of the following operations involves straightening a curved sheet metal?

Answer is:

Planishing

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