Q. Uniform ramming of sand in green sand moulding process leads to

View solution

Q. The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

View solution

Q. Wave length of X-rays is about 1 angstron, however it can not pass through a sheet of

View solution

Q. Alloying elements present in Hayness stel-lite, which has superior performance than high speed steel, are

View solution

Q. The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

View solution

Q. The leaching solvent used in Baeyer's process for the purification of bauxite is

View solution

Q. Austempering process results in the formation of __________ structure.

View solution

Q. Upto the critical radius of insulation, added insulation, will

View solution

Q. Limestone is added in the blast furnace (during pig iron manufacture) to

View solution

Q. Cementite is in the lamellar form in the __________ phase of steel.

View solution

Q. To improve the machinability of steel, it is generally subjected to

View solution

Q. Silicon in steel

View solution

Q. The noble metals

View solution

Q. Which of the following is an example of cathodic protection of metals against corrosion ?

View solution

Q. Thermal efficiency of an internal combustion engine is around __________ percent.

View solution

Q. Pick out the correct combination about the role of various additives used in polymers.

View solution

Q. The lightest non-inflammable gas is

View solution

Q. Electrometallurgical methods of metal extraction is normally used for those metals

View solution

Q. Lowering of recrystallisation temperature of metals can be achieved by its

View solution

Q. An example of a buffer solution is

View solution