Mechanical Engineering Questions And Answers :: Engineering Materials: part5



Mechanical Engineering : Engineering Materials QUESTIONS AND ANSWERS :: part5 : 16 to 20

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

16.The machinability of steel is increased by

silicon and sulphur
phosphorous, lead and sulphur
sulphur, graphite and aluminium
phosphorous and aluminium
none of the above.

17.The percentage of carbon in low carbon steel is

0.05%
0.15%
0.3%
0.5%
0.7%.

18.Which of the following elements does not impart hardness to steel

copper
chromium
nickel
silicon
none of the above.

19.Which of the following is not the correct method of increasing fatigue limit

shot peening
nitriding of surface
cold working
surface decarburisation
under-stressing.

20.Connecting rod is usually made of

aluminium
low carbon steel
medium carbon steel
high carbon steel
cast iron.

More Engineering Materials QUESTIONS AND ANSWERS available in next pages

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