Chemical Engineering Basics Mcqs

Q.  A thin, flat & square plate measuring 2 m × 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m2. The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is ________________ W/m2 °C ?

a. 50
b. 100
c. 150
d. 200


ANSWER: See Answer
 
No explanation is available for this question!
TasDia Network - Mcqs | Signature | Lyrics
MCQs:  The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the_______________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The passage between the nozzle and the _______________________ is called ‘sprue’ in case of injection moulding?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The condition of diffraction from a crystal is given by______________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The life of a ball bearing is inversely proportional to________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Corrosion rate cannot be lowered by reducing the ________________ of the corroding medium?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe) ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  In case of compression of one kg of air, the work done will be the least, when the value of polytropic index ‘n’ is______________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is_______________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  For grinding of softer materials, the grinding wheel should have _________________ grain size ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness ______________ metre?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Production of one ton of paper in Indian paper industry consumes about ____________ kWh of electricity ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge) ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Exposure to _________________ accelerates the degradation of plastics?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Natural water contains approximately ______________ percent of heavy water?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  If a solid is compressed adiabatically in its elastic range, its _____________ remains constant ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  At absolute zero temperature, for any reaction involving condensed phases ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Insulation of liquid surface can be achieved by _____________ on top of its surface?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The activity co-efficient of the solute in a dilute solution ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  _________________ property of a material is determined by the Herbert Pendulum device?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts