Chemical Engineering Mcqs

Carbon monoxide is a pollutant, which causes_________________?

(A) Respiratory disease (e.g. asthma)

(B) Asphyxiation (suffocation) leading to death

(C) Retardation in crop growth

(D) Damage to building materials like marble

Submitted By: Ali Uppal


Which of the following is the most detrimental for water used in high pressure boiler ?

(A) Silica

(B) Turbidity

(C) Phenol

(D) Dissolved oxygen

Submitted By: Ali Uppal


Septic tanks are used for the ______________ of the deposited solids?

(A) Separation

(B) Anaerobic decomposition

(C) Aerobic decomposition

(D) None of these

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Submitted By: Ali Uppal


Submitted By: Ali Uppal


Submitted By: Ali Uppal


Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is__________________?

(A) Inversely proportional to viscosity of gas

(B) Proportional to the viscosity & density of the gas

(C) Proportional to the pressure of the gas

(D) Both

Submitted By: Ali Uppal


Limestone powder is injected during pulverised coal burning in boilers to ______________ the flue gases?

(A) Reduce SO2 content in

(B) Catalytically convert SO2 to SO3 in

(C) Increase the dew point of

(D) None of these

Submitted By: Ali Uppal


The main industrial source of emission of hydrogen sulphide air pollutant is________________?

(A) Petroleum refineries

(B) Coal based thermal power plants

(C) Pulp and paper plant

(D) Metallurgical roasting & smelting plant

Submitted By: Ali Uppal