Chemical Process Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre. Hydration Strengthening Cutting Fibrillation Hydration Strengthening Cutting Fibrillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of oil does not None of these Improve its resistance to oxidation Remove double bonds Raise its melting point None of these Improve its resistance to oxidation Remove double bonds Raise its melting point ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermosetting materials Are cross-linked molecules Are solvent soluble None of these Soften on application of heat Are cross-linked molecules Are solvent soluble None of these Soften on application of heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate Has high water solubility and is unstable Is soluble in ammonium chloride and potassium chloride solution All of these Is prone to thermal decomposition Has high water solubility and is unstable Is soluble in ammonium chloride and potassium chloride solution All of these Is prone to thermal decomposition ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 1600 800 4000 8500 1600 800 4000 8500 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dacron (or terylene) fibres as compared to nylon's fibres have Poorer resistance to alkalis Better heat & acid resistant properties Poorer dyeability All of these Poorer resistance to alkalis Better heat & acid resistant properties Poorer dyeability All of these ANSWER DOWNLOAD EXAMIANS APP