Production Engineering MCQ with Answers

Production Engineering MCQ with Answers

156) The cutting speed for drilling aluminum, brass and bronze with carbon steel drills is______ Cutting speed for drilling mild steel with high speed steel drills.

Answer is:

equal to

157) The cutting speed of a drill depends upon the

Answer is:

all of these

Explanation:

The cutting speed of a drill depends upon the
* material of drill
* type of material to be drilled
* quality of surface finish desired

158) In drilling softer materials, the cutting speed is ______ As compared to harder materials.

Answer is:

high

159) High speed steel drills can be operated at about ______ the speed of high carbon steel drills

Answer is:

double

160) The tap used to cut threads in a blind hole is

Answer is:

bottoming tap

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