Mechanical Engineering Questions And Answers :: Engineering Materials: part3



Mechanical Engineering : Engineering Materials QUESTIONS AND ANSWERS :: part3 : 1 to 5

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations :

1.Solder is an alloy consisting of

tin, antimony, copper
tin and copper
tin and lead
lead and zinc
lead and copper.

2.Maximum percentage of carbon in ferrite is

0.025%
0.06%
0.1%
0.25%
0.8%.

3.Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

silver metal
duralumin
Hastelloy
monel metal
invar.

4.An engineer's hammer is made of

cast iron
forged steel
mild steel
high carbon steel
H.S.S.

5.Cyaniding is the process of

dipping steel in cyanide bath
reacting steel surface with cyanide salts
adding carbon and nitrogen by heat treatment of steel to increase its surface hardness
obtaining cyanide salts
making corrosion resistant steel.

More Engineering Materials QUESTIONS AND ANSWERS available in next pages

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