- (A) Less than 0.02%
- (B) Less than 0.1%
- (C) Less than 0.01%
- (D) None of the above
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) Using spherical particles
- (B) Lathe cut alloy
- (C) Altering Hg-Alloy ratio
- (D) Trituration time
- (A) Increase in tarnish and corrosion resistance
- (B) Increase the marginal strength
- (C) Decrease the tarnish and corrosion resistance
- (D) Increased compressive strength
- (A) 9-20% copper
- (B) 13-20% copper
- (C) 9-30% copper
- (D) 13-30% copper
- (A) 80 Mpa
- (B) 140 Mpa
- (C) 260 Mpa
- (D) 510 Mpa
- (A) Compressive stress
- (B) Impact stress
- (C) Shear stress
- (D) Tensile stress
- (A) Cu
- (B) Zn
- (C) Pd
- (D) Ag
- (A) A metallic powder composed of silver, tin, copper and zinc
- (B) An alloy of two or more metals one of which is mercury
- (C) An alloy of two or more metals that have been dissolved in each other in the molten state
- (D) A metallic substances in powder or tablet from that is mixed with mercury
- (A) Low tensile and compressive strength
- (B) Low Hg: Alloy ratio
- (C) High tensile strength
- (D) Low creep
- (A) 35 pounds
- (B) 3 pounds
- (C) 15 lb
- (D) 25 lb
