Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Welded steel cylinders Seamless & made of steel Made by sand casting Heat treated before use Welded steel cylinders Seamless & made of steel Made by sand casting Heat treated before use ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Friction factor for fluid flow in pipe does not depend upon the Pipe length Fluid density & viscosity Pipe roughness Mass flow rate of fluid Pipe length Fluid density & viscosity Pipe roughness Mass flow rate of fluid ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 100 1000 10 10000 100 1000 10 10000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Cementite Flakes Nodular aggregates of graphite Spheroids Cementite Flakes Nodular aggregates of graphite Spheroids ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of Pure oxygen Sunlight Moisture Dry air Pure oxygen Sunlight Moisture Dry air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Decreased compressor power Can be prevented by proper design Causes heat loss due to poor heat transfer Is immaterial Decreased compressor power Can be prevented by proper design Causes heat loss due to poor heat transfer Is immaterial ANSWER DOWNLOAD EXAMIANS APP