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Mechanical
ME Set-3
Engineering Materials
269

Engineering Materials MCQ with Answers

269) Neutral 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

Answer is:

equal to 7

Engineering Materials MCQ with Answers

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Related Engineering Materials MCQ with Answers

270) 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

Answer is:

less than 7

271) Basic solution is one which has pH value

greater than 7

equal to 7

less than 7

pH value has nothing to do with basic solution

Answer is:

greater than 7

272) Following elements have face-centred cubic structure

gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt

Mg, Zn, Ti, Zr, Br, Cd

a iron (below 910°C and between 1400 to 1539°C), W

all of the above

Answer is:

gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt

273) Recrystallisation temperature can belowered by

purification of metal

grain refinement

working at lower temperature

all of the above

Answer is:

all of the above

Engineering Materials MCQ with Answers

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