Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Retained austenite Martensite formation Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Retained austenite Martensite formation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the None of these Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression None of these Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action. Proportional Integral None of these Derivative Proportional Integral None of these Derivative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of 0.084027777777778 0.042361111111111 0.044444444444444 0.043055555555556 0.084027777777778 0.042361111111111 0.044444444444444 0.043055555555556 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For hardening high alloy steel, it is to be heated slowly and uniformly to avoid Segregation Scale formation Local hardening Warpage Segregation Scale formation Local hardening Warpage ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the most important element, which controls the physical properties of steel. Carbon Manganese Silicon Vanadium Carbon Manganese Silicon Vanadium ANSWER DOWNLOAD EXAMIANS APP
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