Production Engineering MCQ with Answers

Production Engineering MCQ with Answers

161) the hole to be drilled for tapping is ______ the outside diameter of the thread on the tap.

Answer is:

smaller than

162) In which of the following machine, the work remains stationary and the tool is rotated?

Answer is:

Horizontal boring machine

163) In which of the following machine, the work rotates and the tool is stationary?

Answer is:

Vertical boring machine

164) The main purpose of a boring operation, as compared to drilling, is to

Answer is:

enlarge the existing hole

165) The effect of setting a boring tool above centre height leads to

Answer is:

increase in the effective rake angle and a decrease in the effective clearance angle

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