1000+ Basic Mechanical Engineering MCQ with Answers - 2

Question: 6

Which of the following strain gauge material has the highest value of gauge factor?

(A) soft iron

(B) manganin

(C) constantan

(D) nichrome

Question: 7

Which of the following magnetic material has highest coercive force?

(A) alcomax

(B) tungsten steel

(C) dead mild steel

(D) carbon steel

Question: 8

A discrepancy is

(A) the difference between the measured values of the same quantity

(B) the difference between the measured value and actual value

(C) the difference between true value of the quantity and error

(D) the difference between a measurement and true value of the quantity measured

Question: 9

Optical flats are used in conjunction with

(A) interferometric measurement

(B) surface parallelism

(C) surface flatness

(D) angular measurements

Question: 10

A polarograph is used for the analysis of

(A) gases

(B) solids

(C) liquids

(D) all of the above