Production Technology (2161909) MCQ

MCQs of Thermal Aspects in Machining

MCQ No - 1

In metal machining, the work-tool contact zone is a zone where heat is generated due to

(A) plastic deformation of metal
(B) burnishing friction
(C) friction between the moving chip and the tool face
(D) none of the above

B
MCQ No - 2

In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called

(A) friction zone
(B) work-tool contact zone
(C) shear zone
(D) none of these

C
MCQ No - 3

Which is effect of cutting temperature on tool

(A) Thermal fracturing of cutting edges
(B) Formation of built up edge
(C) Rapid tool wear
(D) All of these

D
MCQ No - 4

Which is effect of cutting temperature on workpiece

(A) Dimensional inaccuracy
(B) Burning
(C) Micro-cracks at the surface
(D) All of these

D
MCQ No - 5

Primary deformation zone in metal cutting operation is located at

(A) Around shear plane
(B) Tool chip interface
(C) Tool work piece interface
(D) Tool face

A