Chemical Engineering Basics Grain hardness is measured by the __________ hardness testing method. Shore sceleroscope Knoop Rockwell F Vicker's Shore sceleroscope Knoop Rockwell F Vicker's ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are 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 Welded steel cylinders ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Steel produced from phosphatic iron is __________ in nature. Malleable Ductile Tough Brittle Malleable Ductile Tough Brittle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Is immaterial 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Pick out the wrong statement. If the net positive suction head (NPSH) requirement of a pump is not satisfied, then It will be cavitated It will not develop sufficient head to raise water Its efficiency will not be affected It will deliver low discharge of liquid It will be cavitated It will not develop sufficient head to raise water Its efficiency will not be affected It will deliver low discharge of liquid ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature. Increases None of these Shows inversion of solubility Decreases Increases None of these Shows inversion of solubility Decreases ANSWER DOWNLOAD EXAMIANS APP