Mechanical Engineering Questions And Answers :: Engineering Materials: part8



Mechanical Engineering : Engineering Materials QUESTIONS AND ANSWERS :: part8 : 6 to 10

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

6.Pearlite is a combination of

ferrite and cementite
cementite and gamma iron
ferrite and austenite
ferrite and iron graphite
pearlite and ferrite.

7.The transistor is made of

silver
gold
copper
germanium
german silver.

8.Acidic solution is one which has pH value

greater than 7
less than 7
equal to 7
pH value has nothing to do with neutral solution
none of the above.

9.The correct composition of Babbit metal is

87.75% Sn, 4% Cu, 8% Sb, 0.25% Bi
90% Sn, 2% Cu, 4% Sb, 2% Bi, 2% Mg
87% Sn, 4% Cu, 8% Sb, 1% Al
82% Sn, 4% Cu, 8% Sb, 3% Al, 3% Mg
none of the above.

10.Austenite rs a combination of

ferrite and cementite
cementite and gamma iron
ferrite and austenite
ferrite and iron graphite
pearlite and ferrite.

More Engineering Materials QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha
A real entrepreneur is somebody who has no safety net underneath them. Henry Kravis