Mechanical Engineering Questions And Answers :: Engineering Materials: part6



Mechanical Engineering : Engineering Materials QUESTIONS AND ANSWERS :: part6 : 1 to 5

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.A specimen of aluminium metal when observed under microscope shows

B.C.C. crystalline structure
F.C.C. crystal structure
H.C.P. structure
a complex cubic structure
orthorhombic crystalline structure.

2.If a refractory contains high content of silicon, it means refractory is

acidic
basic
neutral
brittle
none of the above.

3.Corrundum contains more than 95%

steel
A1203
Si02
MgO
german silver.

4.The usual composition of a soldering alloy is

tin, lead and small percentage of an-timony
tin and lead
tin, lead and silver
tin and copper
tin, copper and lead.

5.Steel made from phosphatic iron is

brittle
hard
ductile
tough
malleable.

More Engineering Materials QUESTIONS AND ANSWERS available in next pages

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