Sooty and sulphurous smog formed due to combustion o... - Solved MCQs & Answer

5078Chemical EngineeringMedium

Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air’s water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes________?

APoor visibility due to sky darkening

BAll A., B. and C.

CRespiratory trouble

DIrritation in eyes

Correct answer

B. All A., B. and C.

Explanation

The correct answer is All A., B. and C..

Related Chemical Engineering MCQs

View all 8342 MCQs →

MCQ #5080

High ash coals ________?

Ans: Require longer time of carbonisation as ash offers resistance to heat transferRead →

MCQ #5076

Water is entering a storage tank at a temperature T0 and flow rate Q0 and leaving at a flow rate Q and temperature T. There are negligible heat losses in the tank. The area of cross-section of the tank is A0. The model that describes the dynamic variation of temperature of water in the tank with time is given as________?

Ans: Q0(T0 – T) = Ac. h (dT/dt)Read →

MCQ #5081

Which of the following is not a dielectric material?

Ans: Rubber and polymeric resinsRead →

MCQ #5075

In a/an ________ vessel, the fluid enters and leaves following plug flow?

Ans: ClosedRead →

MCQ #7163

The performance of a cascade of CSTR’s can be improved by adding________?

Ans: More CSTR’s in seriesRead →

MCQ #907

Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of________?

Ans: Silicon carbideRead →