Chemical Process Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because All of these Tar neutralises the residual acids present in pitch Its calorific value is very less It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop All of these Tar neutralises the residual acids present in pitch Its calorific value is very less It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The amount of benzene present in pure benzol is about __________ percent. 90 50 70 30 90 50 70 30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dehydrogenation of ethyl benzene produces Benzoic acid Phenol Naphthalene Styrene Benzoic acid Phenol Naphthalene Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process H₂S is scrubbed from refinery gases by absorption using Ethanol amine Chilled water Dilute H₂SO₄ Tri-butyl phosphate Ethanol amine Chilled water Dilute H₂SO₄ Tri-butyl phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Refractory bricks burnt at very high temperature have got High spalling tendency Greater resistance to corrosion by slags None of these Less resistance to corrosion by slags High spalling tendency Greater resistance to corrosion by slags None of these Less resistance to corrosion by slags ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Function of thinner in a paint is to Prevent gelling of the paint Suspend pigments & dissolve film forming materials Accelerate the oxidation of oil Form a protective film Prevent gelling of the paint Suspend pigments & dissolve film forming materials Accelerate the oxidation of oil Form a protective film ANSWER DOWNLOAD EXAMIANS APP
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