Mechanical Operations Mcqs for Chemical


Q.  A cottrell precipitator makes use of the ______________ for dusty air cleaning?

a. Electric spark
b. Corona discharge
c. Alternating current
d. None of these


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Sulphuric acid mist is arrested by using a ____________ scrubber?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Addition of filter aid to the slurry before filtration is done to _______________ of the cake?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m3) ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the ______________ filter?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Which of the following conveyors cannot be recommended for transportation of abrasive materials ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Mesh indicates the number of holes per_________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Which of the following comes in the category of primary crusher for hard and tough stone ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Two particles are called to be equal settling, if they are having the same ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  For a non-spherical particle, the sphericity__________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Velocity of a small particle of diameter ‘Dp’ at a distance ‘r’ from the rotational axis of a cyclone rotating at an angular speed ‘ω’ is given by (the other symbols are as per standard notation) ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm) ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Apron conveyors are used for ___________________ ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is_________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Which of the following is not a cutting machine ?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  The sphericity of a cylinder of 1 mm diameter and length 3 mm is_________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Separation of materials into products based on the difference of their sizes is called___________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Ultra centrifuges are used for the separation of _____________ solid particles?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a _____________ operation?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  Run of mine (ROM) coal is crushed by a _________________________ for use in domestic ovens?
Category: Chemical Engineering Mcqs,   Published by: teswesm
MCQs:  A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is_________________?
Category: Chemical Engineering Mcqs,   Published by: teswesm