Materials and Construction

241. Materials having _________ lattice structure are usually most ductile.

1. FCC
2. BCC
3. HCP
4. Cubic

View answer

242. Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making

1. Nuts
2. Bolts
3. Chisels
4. Studs

View answer

243. Maximum carbon content in cast iron is _________ percent.

1. 3.8
2. 5.2
3. 4.8
4. 4.3

View answer

244. Maximum consumption of copper is in

1. Utensil manufacture
2. Electrical industry
3. Industrial equipment manufacture
4. Small scale industries

View answer

245. Maximum consumption of lead is in the manufacture of

1. Storage batteries
2. Solder alloys
3. Electric cable sheathing
4. Lead lined vessels

View answer

246. Maximum consumption of zinc is in

1. Alloying
2. Galvanising
3. Utensil manufacture
4. Electrical industry

View answer

247. Maximum permissible sulphur content in steel is _________ percent.

1. 0.015
2. 0.055
3. 0.505
4. 0.805

View answer

248. Mercury is transported in metal containers made of

1. Aluminium
2. Iron
3. Lead
4. Nickel

View answer

249. Metal at the top of the electromotive series is

1. Least active
2. Most stable
3. Most active
4. Most noble

View answer

250. Metalloid is

1. An element, which exhibits the properties of both metal & non metal
2. Highly electronegative in nature
3. An alloy
4. All (A), (B) & (C)

View answer