Engineering Materials If a refractory contains high content of silicon, it means refractory is Acidic Brittle Neutral Basic Acidic Brittle Neutral Basic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Has a fixed structure under all conditions Has its atoms distributed in a random pattern Exists in several crystal forms at different temperatures Responds to heat treatment Has a fixed structure under all conditions Has its atoms distributed in a random pattern Exists in several crystal forms at different temperatures Responds to heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Relieve stresses Improve machining characteristic Soften material Harden steel slightly Relieve stresses Improve machining characteristic Soften material Harden steel slightly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Flakes Cementite Free carbon Nodular aggregates of graphite Flakes Cementite Free carbon Nodular aggregates of graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Contain carbon in free from Is used where rapid machining is the prime requirement Can be cut freely Require minimum cutting force Contain carbon in free from Is used where rapid machining is the prime requirement Can be cut freely Require minimum cutting force ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 48 RC 80 RC 57 RC 65 RC 48 RC 80 RC 57 RC 65 ANSWER DOWNLOAD EXAMIANS APP
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