Building Materials, Third Edition
QVP f 2w e Aluminium is commonly alloyed with copper silicon, magnesium or zinc to improve its mechanincal ...
xE2p 2w QVQ e Eg2econtains copper up to 4 per cent. Less liable to burning the alloy produces light ...
QVR f 2w and damp proofing. Its use is restricted in the appliances and connections used for water supplies in h ...
xE2p 2w QVS used for making valves and bearings. Bell metal is produced by alloying copper (65–45%) to zinc (35–20% ...
QVT f 2w is to be rolled or used for galvanising. They should not exceed 0.02 per cent. Zinc, either rolled or c ...
xE2p 2w QVU bearings. Lead antimony tin alloys containing 10–20% antimony, 5–20% tin and the remainder lead are use ...
QVV f 2w resists alkaline corrosion, but gets readily dissolved in nitric acid and aquaregia. The presence of ca ...
xE2p 2w QVW yftigsi2i2 isyx Aluminium can be riveted 2. welded 3. soldered Of the above (a) 2 and 3 are c ...
QWH f 2w Which of the following is not alloy of tin? (a) Babbitt metal (b) Mangolia metal (c) White metal (d) Pe ...
IS g2w s g 22g q q2 2 2g 2w ...
QWP f2w ISQ ipegysi These materials are capable of withstanding high temperature in different industrial pr ...
g 2w QWQ g are manufactured from graphite or coke. These have refractoriness above 1700° C a ...
QWR f2w to partial or complete devitrification (crystallisation) on cooling. These crystalline areas are extremel ...
g 2w QWS f " A 2 m long and 12 mm diameter blow pipe is dipped in the molten glass and taken out. It is held ve ...
QWT f2w g 2p q is used for glazing doors, windows and partitions and is obtained by b ...
g 2w QWU r % Two or more glass plates are sandwiched by a tinted plastic inner layer. It pr ...
QWV f2w ISS qve2yyv When silicate rock or flint is melted (1650° C) with a small quantity of calcareous matte ...
g 2w QWW p2ISR & 2i()22yR2 These three inversions affect the use of silica as a refract ...
RHH f2w ISW ivigsgev2yisi2yp2giewsg2rei Ceramic materials have no free electrons so they have low el ...
g 2w RHI The example of glass maker ’s soap is (a) nickel oxide (b) cobalt oxide (c) manganese dioxide (d) cullets ...
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