Chemical Process Nylon-6 is a Polyester None of these Thermosetting resin Polyamide Polyester None of these Thermosetting resin Polyamide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the second major component of cement? CaO SiO₂ Al₂O₃ Fe₂O₃ CaO SiO₂ Al₂O₃ Fe₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of portland cement are calcium aluminate and Gypsum Sodium silicate Silicates Carbonates Gypsum Sodium silicate Silicates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid completely saturated with sulphur trioxide is called Oleum Sulphurous acid Dilute sulphuric acid Concentrated sulphuric acid Oleum Sulphurous acid Dilute sulphuric acid Concentrated sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In multistage equilibrium conversion of SO₂ to SO₃ (2SO₂ + O₂ ⇋ 2SO₃), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO₂ to SO₃ can be increased by Removing some quantity of SO₃ during intermediate stage Putting more quantity of V₂O₅ catalyst in the converter Maintaining low temperature & pressure in the converter Increasing the oxygen concentration Removing some quantity of SO₃ during intermediate stage Putting more quantity of V₂O₅ catalyst in the converter Maintaining low temperature & pressure in the converter Increasing the oxygen concentration 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. 800 8500 4000 1600 800 8500 4000 1600 ANSWER DOWNLOAD EXAMIANS APP
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