The property of material, by which a given amount of energy is absorbed by it, without plastic deformation is called Impact strength Ductility Resilience Toughness TRUE ANSWER : ? YOUR ANSWER : ?
__________ test can be termed as the semi-distructive test. Torsion Hardness Impact Charpy TRUE ANSWER : ? YOUR ANSWER : ?
When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Increases & increases Decreases & increases Increases & decreases Decreases & decreases TRUE ANSWER : ? YOUR ANSWER : ?
Out of the following, the joint produced by __________ has the lowest strength. Brazing Soldering Rivetting Welding TRUE ANSWER : ? YOUR ANSWER : ?
Carnot cycle is also termed as the constant __________ cycle in thermodynamics. Volume Heat Entropy Pressure TRUE ANSWER : ? YOUR ANSWER : ?
Materials used for making permanent magnets containing iron and nickel are made by __________ technique. Casting None of these Forging Powder metallurgy TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following heat treatment processes is usually applied to castings ? Annealing Tempering Normalising Carburising TRUE ANSWER : ? YOUR ANSWER : ?
Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Lighter Oxidised preferentially Reduced preferentially Cheaper TRUE ANSWER : ? YOUR ANSWER : ?
Coke is added in the blast furnace to Reduce & melt the iron ore None of these Remove sulphur & phosphorus from molten metal Increase the fluidity of slag TRUE ANSWER : ? YOUR ANSWER : ?