Amount of energy that a material can absorb before its fracture is a measure of its Ductility Resilience Toughness Malleability TRUE ANSWER : ? YOUR ANSWER : ?
Telfon (PTFE) is corroded by Hydrochloric acid (95%) None of these Hydrochloric acid (10%) Sulphuric acid TRUE ANSWER : ? YOUR ANSWER : ?
A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Invar Heat resisting steel High speed steel Austenitic stainless steel TRUE ANSWER : ? YOUR ANSWER : ?
Babbit metal used for making bearings should have Low co-efficient of friction between journal and bearing Both B & C Ability to retain lubricant on its surface High-co-efficient of friction between journal and bearing TRUE ANSWER : ? YOUR ANSWER : ?
Concrete tank can be used to store Sulphuric acid Alum Ferrous sulphate Saturated brine TRUE ANSWER : ? YOUR ANSWER : ?
Galvanising is generally done on Stainless steel Cast iron Low carbon steel Non-ferrous metals TRUE ANSWER : ? YOUR ANSWER : ?
Nickel and molybdenum are the basic constituents of Inconel German silver Solder Hastealloy TRUE ANSWER : ? YOUR ANSWER : ?
Molten phthalic anhydride is stored in a/an __________ vessel. Aluminium Lead lined steel Nickel clad steel Glass lined steel TRUE ANSWER : ? YOUR ANSWER : ?
Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the Endurance limit Ultimate tensile strength (U.T.S.) None of these Elastic limit TRUE ANSWER : ? YOUR ANSWER : ?
__________ does not contain tin as an alloying material. Babbit metal Solder Pewter Brass TRUE ANSWER : ? YOUR ANSWER : ?