The addition of which of the following improves machining of copper? Mark as favorite Copy Link Sulphur Vanadium Tin Zinc Check Answer
In induction hardening …………… is high? Mark as favorite Copy Link current voltage frequency tempering Check Answer
The type of space lattice found in gamma-iron is? Mark as favorite Copy Link face centred cubic space lattice body centred cubic space lattice close packed hexagonal space lattice none of these Check Answer
Which of the following process of steel making is in operation at Tata Iron and Steel Works in Jamshedpur? Mark as favorite Copy Link Bessemer process Open hearth process Duplex process Electric process Check Answer
White cast iron has? Mark as favorite Copy Link carbon in the form of carbide high tensile strength low compressive strength all of these Check Answer
Cast iron has? Mark as favorite Copy Link high compressive strength excellent machinability good casting characteristic all of these Check Answer
The process which improves the machinability of steels, but lowers the hardness and tensile strength, is? Mark as favorite Copy Link normalising full annealing process annealing spheroidising Check Answer
The silicon steel is widely used for? Mark as favorite Copy Link connecting rods cutting tools generators and transformers in the form of laminated cores motor car crankshafts Check Answer
When a low carbon steel is heated upto lower critical temperature? Mark as favorite Copy Link there is no change in grain size the average grain size is a minimum the grain size increases very rapidly the grain size first increases and then decreases very rapidly Check Answer
There are fourteen atoms in a unit cell of? Mark as favorite Copy Link body centred cubic space lattice face centred cubic space lattice close packed hexagonal space lattice none of these Check Answer