Materials & Construction Mcqs for Chemical

Q.  Carbon is present in steel wholly in the__________________?

a. Combined form
b. Free state as graphite
c. Both A. and B.
d. Neither A. nor B.


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Flow of filtrate through the cake in a plate and frame filter press is best described by the ______________ equation?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to ____________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance)?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise) ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The specific surface of spherical particles is proportional to (where, Dp = diameter of particle)?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Separation of materials of the same density based on their sizes by using then-different rates of flow is called__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Energy consumed for crushing one ton of material ranges from ______________ kWh?
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MCQs:  Sphericity of raschig ring (whose length and diameter are equal) is___________________?
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MCQs:  Which of the following gives the crushing energy required to create new surface ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the _____________ filter?
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MCQs:  Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the ________________ crushing?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  _______________ centrifuge is the most suitable for separation of non-friable crystals?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:   A _______________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  At low Reynold’s number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5: Power number Re = ρ N D2/μ: Reynold’s number N is the impeller rotational speed, and D is the impeller diameter ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The critical speed of a trommel (N) is related to its dia D. as _____________________?
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MCQs:  In screen analysis, the notation +5 mm/-10 mm means particles passing through ____________________?
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MCQs:  Cement clinker is reduced to fine size by a _____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts