Chemical Engineering MCQs

Page No. 154

A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an _____________ fluid?


aNewtonian


bNon-Newtonian


cIdeal


dIncompressible


View Answer Newtonian

With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?


aIncreases


bDecreases


cRemains unchanged


dFirst decreases and then increases


View Answer Increases

In the low Reynolds number region, the drag force on a sphere is proportional to_______________?


aV


bV2


cV4


dV0.5


View Answer V

PVy = constant, holds good for an isentropic process, which is_________________?


aReversible and isothermal


bIsothermal and irreversible


cReversible and adiabatic


dAdiabatic and irreversible



Capillary tube method of viscosity measurement is based on the ________________?


aHagen-Poiseuille’s equation


bStoke’s law


cNavier-stokes equation


dNone of these



As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches_______________________?


aUnity


bZero


cThat of the heat of reaction


dInfinity


View Answer Zero

Nominal Pipe Size (NPS) of a pipe less than 12 inches in diameter indicates its________________?


aInner diameter


bOuter diameter


cThickness


dNeither inner nor outer diameter



Which of the following is a thermodynamic property of a system ?


aConcentration


bMass


cTemperature


d Entropy


View Answer Entropy

The friction factor for turbulent flow in a hydraulically smooth pipe______________?


aDepends only on Reynolds number


bDoes not depend on Reynolds number


cDepends on the roughness


dNone of these



In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?


aMore


bLess


cSame


dUnpredictable; depends on the particular reaction


View Answer Same

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