Engineering Materials Chromium when added to steel _________ the tensile strength. Does not effect Decreases None of these Increases Does not effect Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below lower critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 2.1180555555556 40 : 60 2.9375 30 : 70 2.1180555555556 40 : 60 2.9375 30 : 70 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Gas turbine blades Cast iron pipes Flywheel of steam engine Cycle chains Gas turbine blades Cast iron pipes Flywheel of steam engine Cycle chains ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cyaniding is the process of Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Dipping steel in cyanide bath Obtaining cyanide salts Reacting steel surface with cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Dipping steel in cyanide bath Obtaining cyanide salts Reacting steel surface with cyanide salts ANSWER DOWNLOAD EXAMIANS APP
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