n 50. (1.5 Points) Which of the following are examples of physical properties? Q

Question

n 50. (1.5 Points) Which of the following are examples of physical properties? Question 1. Strength, toughness,stiffues 2. Electrical conductivity, transparency, specific heat 3. Corrosion resistance, oxidation resistance 4. Endurance limit, damping capacity Question 51. (1.5 Points) Casting technology involves control of 1. the surface topography 2. the grain structure 3. the part geometry 4 all of above Question 52. (1.5 Points) An allowance is best defined by, 1, unintentional but permissible difference in dimension between two mating parts 2. intentional, desired difference in dimension between two mating parts 3. not related to coatact pressure between two mating parts 1. none of the above Question 53. (3 Points) The general eutectoid reaction is (L liquid, S for solid) Question 54. (1.5 Points) Which of the following best gives a reason for the use of cutting Buid in a machining operation. 1. chip removal 2. shape change 3. promote cladding 4 all of the above wt%. Question 55. (1.5 Points) The carbon contest of s 1090 steel is 1. 90 2. 19 3. 0.9 4, 10

Explanation / Answer

Question 50 =====> Answer is 2

Remaining terms assosiate with composition of matter.

Question 51 =====> Answer is 4

By controling solidificatoion process and time grain structure can control and with help of mold making part geomenty can control.

Question 52 =====> Answer is 1

From Definition

Question 53 =====> Answer is 2

A eutectoid is a phase reactoin in which by cooling one solid phase it transform to other two new solid phases

Question 54 =====> Answer is 1

Question 55 =====> Answer is 1

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