Chemical Engineering Basics The best criterion for analysing an economic investment is the Present value method Rate of return criterion Future value method Salvage value Present value method Rate of return criterion Future value method Salvage value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Toughness of a material is measured by the Vicker's hardness test Scratch test Notched bar test Universal testing machine Vicker's hardness test Scratch test Notched bar test Universal testing machine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics With increase in steam pressure, its specific volume decreases Slowly first and then rapidly Rapidly first and then slowly Linearly Exponentially Slowly first and then rapidly Rapidly first and then slowly Linearly Exponentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Can be prevented by proper design Is immaterial Causes heat loss due to poor heat transfer Decreased compressor power Can be prevented by proper design Is immaterial Causes heat loss due to poor heat transfer Decreased compressor power ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The process of removal of scale formed during hot rolling of steel is termed as Skimming Pickling Shot blasting Descaling Skimming Pickling Shot blasting Descaling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. Hexagonal close packed (hcp) Body centred cubic (bcc) None of these Face centred cubic (fcc) Hexagonal close packed (hcp) Body centred cubic (bcc) None of these Face centred cubic (fcc) ANSWER DOWNLOAD EXAMIANS APP
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