Materials and Construction Telfon (PTFE) is corroded by Hydrochloric acid (10%) Hydrochloric acid (95%) Sulphuric acid None of these Hydrochloric acid (10%) Hydrochloric acid (95%) Sulphuric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Is desirable Makes it brittle Increases its strength Increases its hardness Is desirable Makes it brittle Increases its strength Increases its hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. 250 5 500 100 250 5 500 100 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Super conductors are those substances, which Offer high resistance to current flow Offer no resistance to current flow Conduct electricity at low temperature Conduct electricity at high temperature Offer high resistance to current flow Offer no resistance to current flow Conduct electricity at low temperature Conduct electricity at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Trough of an apron conveyor is made of Metal Either B or C Lead lined concrete vessel Wood Metal Either B or C Lead lined concrete vessel Wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material is able to retain the deformation permanently by virtue of its Plasticity Malleability Elasticity Ductility Plasticity Malleability Elasticity Ductility ANSWER DOWNLOAD EXAMIANS APP
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