Metallurgical Testing and Inspection Quiz Questions and Answers - 2

Question: 6

Which of the following metals appear silvery white on visual inspection?

(A) Magnesium

(B) Zinc

(C) Lead

(D) None of these

Question: 7

Which of the following is a pre-requisite for the test specimen before it is subjected to examination under metallurgical microscope for studying its metallographic structure?

(A) Etching

(B) Heating and annealing

(C) Elastic deformation

(D) Plastic deformation

Question: 8

The crystal structure of a material can be examined by the

(A) X-rays and electron diffraction

(B) Gamma radiology

(C) Optical microscope

(D) Electron microscope

Question: 9

Which of the following is the most vulnerable point for notch brittleness to occur in a metallic bar specimen?

(A) A distance of three fourth of the length of the specimen

(B) Mid-point of the specimen

(C) Corner points

(D) Points of stress concentration

Question: 10

_____ test is a non destructive test.

(A) Radiography

(B) Tensile

(C) Charpy

(D) Cupping