Mechanical Engineering Questions And Answers :: Engineering Materials: part3



Mechanical Engineering : Engineering Materials QUESTIONS AND ANSWERS :: part3 : 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.German silver is an alloy of

silver and some impurities
refined silver
nickel, copper and zinc
nickel and copper
silver and gold.

17.Machining properties of steel are improved by adding

sulphur, lead, phosphorous
silicon, aluminium, titanium
vanadium, aluminium
chromium, nickel
lubricants.

18.In which of the following cases, consideration of creep is important

flywheel of steam engine
cast iron pipes"
cycle chains
gas turbine blades
piston I.C. engine.

19.Maximum percentage of carbon in austenite is

0.025%
0.26%
0.8%
1.25%
1.7%.

20.The basic constituents of Hastelloy are

aluminium, copper etc.
nickel, molybdenum etc.
nickel, copper, etc.
all of the above
none of the above.

More Engineering Materials QUESTIONS AND ANSWERS available in next pages

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