Top 1000+ Solved Material Science MCQ Questions Answer
Q. one of the following is the main advantage of impressed current method
a. applicable to large objects
b. uncoated parts can be protect
c. can protect underground steel structure
d. all of the above
Q. anodes are dissolving in case of sacrificial anode method which is one of the cathodic protectionmethod. This statement is
a. true
b. false
c. not applicable to it
d. none of the above
Q. anodes are dissolving in case of impressed current method, which is one of the cathodic protection method. This statement is
a. false
b. true
c. not applicable to it
d. none of the above
Q. one of the following is a corrosion resistance alloy
a. stainless steel
b. nickel base alloys
c. cobalt base alloys
d. all of the above
Q. the examples of face centred cubic structure are
a. cr, mo. fe, ta, w
b. al, cu, ag, au, ni
c. mg, cd, zn, co, be
d. none of the above
Q. the examples of hexagonal close packed crystal structure are
a. cr, mo. fe, ta, w
b. al, cu, ag, au, ni
c. mg, cd, zn, co, be
d. none of the above
Q. Chromium has crystal structure
a. simple cubic
b. body centred
c. face centred
d. hexagonal close packed
Q. Aluminum has crystal structure
a. simple cubic
b. body centred
c. face centred
d. hexagonal close packed
Q. Magnesium has crystal structure
a. simple cubic
b. body centred
c. face centred
d. hexagonal close packed
Q. Zinc has crystal structure
a. simple cubic
b. body centred
c. face centred
d. hexagonal close packed
Q. Copper has crystal structure
a. simple cubic
b. body centred
c. face centred
d. hexagonal close packed
Q. Molybdenum has crystal structure
a. simple cubic
b. body centred
c. face centred
d. hexagonal close packed
Q. Tungsten has crystal structure
a. simple cubic
b. body centred
c. face centred
d. hexagonal close packed
Q. Silver has crystal structure
a. simple cubic
b. body centred
c. face centred
d. hexagonal close packed
Q. Lead has crystal structure
a. simple cubic
b. body centred
c. face centred
d. hexagonal close packed