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Chemical engineering thermodynamics
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is one [other wrong options] [Discuss in forum] |
| Q2 ⇒ At absolute zero temperature, all substances have the same heat capacity [other wrong options] [Discuss in forum] |
| Q3 ⇒ Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature. increases [other wrong options] [Discuss in forum] |
| Q4 ⇒ In a turbine, the fluid expands almost adiabatically [other wrong options] [Discuss in forum] |
| Q5 ⇒ First law of thermodynamics is mathematically stated as dQ = dE + dW [other wrong options] [Discuss in forum] |
| Q6 ⇒ A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. Specific heat of block material is 0.4 kJ.kg-1. K-1. Ignoring the effect of expansion and contraction and also the heat capacity to tank, the total entropy change in kJ.kg-1 , K-1 is 0 [other wrong options] [Discuss in forum] |
| Q7 ⇒ At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole. 92 [other wrong options] [Discuss in forum] |
| Q8 ⇒ Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ? Compressor [other wrong options] [Discuss in forum] |
| Q9 ⇒ A nozzle is a device, which increases kinetic energy and decreases pressure. [other wrong options] [Discuss in forum] |
| Q10 ⇒ Which of the following exemplifies an adiabatic process ? Sudden bursting of a cycle tube. [other wrong options] [Discuss in forum] |
| Q11 ⇒ Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which a homogeneous solution (say of phenol water) is formed. [other wrong options] [Discuss in forum] |
| Q12 ⇒ "The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances". This is the none of these. [other wrong options] [Discuss in forum] |
| Q13 ⇒ The heat capacities for the ideal gas state depend upon the temperature [other wrong options] [Discuss in forum] |
| Q14 ⇒ Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes. energy transformation from one form to the another [other wrong options] [Discuss in forum] |
| Q15 ⇒ Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as P + F - C = 2 [other wrong options] [Discuss in forum] |
| Q16 ⇒ In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process. isobaric [other wrong options] [Discuss in forum] |
| Q17 ⇒ In case of a close thermodynamic system, there is __________ across the boundaries. no mass transfer but heat transfer [other wrong options] [Discuss in forum] |
| Q18 ⇒ The equation Tds = dE - PdV applies to both (b) and (c) [other wrong options] [Discuss in forum] |
| Q19 ⇒ The extensive properties are both (a) and (b). [other wrong options] [Discuss in forum] |
| Q20 ⇒ What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor ? 2 [other wrong options] [Discuss in forum] |
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