Chemical Engineering MCQs

6108 MCQs  (Page 537 of 611)

Attempt Chemical Engineering Quiz
A gas mixture contains 6 moles of H2 and 2 moles of N2. If the total pressure of the gaseous mixture is 4 kgf/cm2; then the partial pressure of N2 in the mixture will be _____________ kgf/cm2 ?
A. 1
B. 2
C. 4
D. 8
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Hess’s law of constant heat summation is based on conservation of mass. It deals with ___________________?
A. Equilibrium constant
B. Reaction rate
C. Changes in heat of reaction
D. None of these
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In a neutral solution _________________?
A. H+ ions are absent
B. Oh- ions are absent
C. Both h+ and oh- ions are present in very small but equal concentration
D. None of these
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A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is__________________?
A. 0.16
B. 0.33
C. 0.66
D. 0.47
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Number of gm moles of solute dissolved in one liter of a solution is called its____________________?
A. Equivalent weight
B. Molarity
C. Molality
D. Normality
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Vapor pressure of a solution is proportional to (where, Sv and St are mole fraction of solvent and solute respectively) ?
A. Sv
B. 1/st
C. St
D. 1/sv
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The value of gas constant ‘R’ is ______________ kcal/kg.mole.°C?
A. 2.79
B. 1.987
C. 3.99
D. None of these
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In a binary liquid system, the composition expressed as _______________ is independent of the temperature & pressure?
A. Kg of solute/kg of solvent
B. Kg-mole of solute/kg-mole of solvent
C. Kg-mole of solute/1000 kg of solvent
D. All a., b. & c.
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Unit of mass velocity is___________________?
A. Kg/m.hr
B. Kg/m2.hr
C. Kg/hr
D. Kg/m2
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Elements in a periodic table are arranged in order of their__________________?
A. Atomic number
B. Mass number
C. Atomic weight
D. Metallic characteristics
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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