Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke Pressure after compression to that before compression None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Redundant work is a function of the die angle Speed of the extruded material is same as that of ram speed Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of Fe₃ C nucleated on dislocations in austenite A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of intermetallics of Fe, Ni, Ti etc Fine dispersions of Fe₃ C nucleated on dislocations in austenite A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Can be prevented by proper design Decreased compressor power Causes heat loss due to poor heat transfer Is immaterial Can be prevented by proper design Decreased compressor power Causes heat loss due to poor heat transfer Is immaterial ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Friction factor for fluid flow in pipe does not depend upon the Fluid density & viscosity Pipe roughness Mass flow rate of fluid Pipe length Fluid density & viscosity Pipe roughness Mass flow rate of fluid Pipe length ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Iron pyrite Magnesium silicate Calcium silicate Sand Iron pyrite Magnesium silicate Calcium silicate Sand ANSWER DOWNLOAD EXAMIANS APP
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