## Chemical Engineering Online Quizzes Section - 38

1. For exothermic reactions, what is the heat of reaction? 1. Positive 2. Zero …

Chemical Engineering

1. For exothermic reactions, what is the heat of reaction? 1. Positive 2. Zero …

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1. What is the energy balance of a closed system? 1. Energy in the system is constant 2.…

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1. Enthalpy of a stream is which function of temperature and pressure? 1. Implicit 2. C…

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1. What is the work done by an open steady-state system if heat transferred to it is 10 J? 1. 0 …

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1. For an open unsteady state system, 5 J of heat was supplied and 10 J of work was done on the system, what is the v…

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1. What is ∆E for a steady-state system? 1.Positive 2. Zero 3. Cannot say …

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1. 10 J of heat and 5 J of work are supplied to the system, what is the change in internal energy? 1.…

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1. What is the change potential energy of a stone of mass 5 Kg that falls from a cliff 10 m high? 1. …

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1.In a closed system, change in internal energy is 10 J and heat transferred to it is 10 J what is the work done by t…

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1. What separates the system and surroundings? 1. None of the mentionedr 2. Boundary …

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1. What is the fraction of a gas in a system at partial pressure 1 mm Hg, if the 0.2 fraction of the same gas is at p…

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1. What is the partial pressure of a 40% gas in a system with vapor pressure 1 mm Hg? 1. 0.8 mm Hg …

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1. What is the degree of freedom of a system with 2 phases and 1 component? 1. 4 2. 2 …

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1.Which of the following is defined as the ratio of partial pressure and vapor pressure? 1. Molal Hum…

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1.Which of the following term does not involve in ideal gas law? 1. Volumer 2. Pressure …

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1. A reactor is supplied with 2 streams both at the rate 5 mole, one has 40% Cl2 and 60% N2, and another has pure C2H…

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1. A reactor is supplied with 6 moles of CO and 3 moles of O2 and produced 4 moles of CO2, what is the extent of rea…

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