1. For an ideal gas: (A)Cp+Cv=R. (B) Cp-Cv-R. (C) Cp Cv. (D) None of the above. 2. Turbine efficiency equals to: (A) Isentropic shaft work / Actual shaft work. (B) Actual shaft work / isentropic shaft work. (C) None of the above. 3. Thermal efficiency of a heat engine equals to: (A) Net heat absorbed / Net work output. (B) Net work output / Net heat absorbed. (C) Net heat input / Net heat absorbed. (D) None of the above. 4. The word Refrigeration implies the maintenance of a temperature (A) Above that of the surrounding. (B) Equal that of the surrounding. (C) Below that of the surrounding. (D) None of the above. 5. The coefficient of performance of a refrigerator equals to: (A) Net work / Heat rejected at the higher temperature. (B) Net work / Heat absorbed at the lower temperature. (C) Heat absorbed at the lower temperature / Net work. (D) None of the above. 1. A reaction A→B conducted in an isothermal batch reactor for several values of CAO (initial concentration of A) and its half-life (t1/2) is determined. The plot of In(t1/2) vs. In(CAO) is a straight line with a slope of -1: (A)0 (B) 1 (C)2 (D)3 4. A 10 m³ CSTR is used to decompose a dilute solution of A. the decomposition is irreversible with a first order rate constant of 3.45 hr. If 95% decomposition of A is required, the required feed rate is: (A) 1.816 m³/s (B) 655.5 m²/h (C) 1.816 m/h (D)655.5 m³/s 5. For the reaction A+B→2B+C: (A) TA=TB 3)TA= -TB (C) TA= 2rB (D)TA=TB/2
1. For an ideal gas: (A)Cp+Cv=R. (B) Cp-Cv-R. (C) Cp Cv. (D) None of the above. 2. Turbine efficiency equals to: (A) Isentropic shaft work / Actual shaft work. (B) Actual shaft work / isentropic shaft work. (C) None of the above. 3. Thermal efficiency of a heat engine equals to: (A) Net heat absorbed / Net work output. (B) Net work output / Net heat absorbed. (C) Net heat input / Net heat absorbed. (D) None of the above. 4. The word Refrigeration implies the maintenance of a temperature (A) Above that of the surrounding. (B) Equal that of the surrounding. (C) Below that of the surrounding. (D) None of the above. 5. The coefficient of performance of a refrigerator equals to: (A) Net work / Heat rejected at the higher temperature. (B) Net work / Heat absorbed at the lower temperature. (C) Heat absorbed at the lower temperature / Net work. (D) None of the above. 1. A reaction A→B conducted in an isothermal batch reactor for several values of CAO (initial concentration of A) and its half-life (t1/2) is determined. The plot of In(t1/2) vs. In(CAO) is a straight line with a slope of -1: (A)0 (B) 1 (C)2 (D)3 4. A 10 m³ CSTR is used to decompose a dilute solution of A. the decomposition is irreversible with a first order rate constant of 3.45 hr. If 95% decomposition of A is required, the required feed rate is: (A) 1.816 m³/s (B) 655.5 m²/h (C) 1.816 m/h (D)655.5 m³/s 5. For the reaction A+B→2B+C: (A) TA=TB 3)TA= -TB (C) TA= 2rB (D)TA=TB/2
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
Related questions
Question
Please solve all the choices
Transcribed Image Text:1. For an ideal gas:
(A)Cp+Cv=R.
(B) Cp-Cv-R.
(C) Cp Cv.
(D) None of the above.
2. Turbine efficiency equals to:
(A) Isentropic shaft work / Actual shaft work.
(B) Actual shaft work / isentropic shaft work.
(C) None of the above.
3. Thermal efficiency of a heat engine equals to:
(A) Net heat absorbed / Net work output.
(B) Net work output / Net heat absorbed.
(C) Net heat input / Net heat absorbed.
(D) None of the above.
4. The word Refrigeration implies the maintenance of a temperature
(A) Above that of the surrounding.
(B) Equal that of the surrounding.
(C) Below that of the surrounding.
(D) None of the above.
5. The coefficient of performance of a refrigerator equals to:
(A) Net work / Heat rejected at the higher temperature.
(B) Net work / Heat absorbed at the lower temperature.
(C) Heat absorbed at the lower temperature / Net work.
(D) None of the above.
1. A reaction A→B conducted in an isothermal batch reactor for several values of CAO (initial
concentration of A) and its half-life (t1/2) is determined. The plot of In(t1/2) vs. In(CAO) is a straight
line with a slope of -1:
(A)0
(B) 1
(C)2
(D)3
4. A 10 m³ CSTR is used to decompose a dilute solution of A. the decomposition is irreversible with
a first order rate constant of 3.45 hr. If 95% decomposition of A is required, the required feed
rate is:
(A) 1.816 m³/s
(B) 655.5 m²/h
(C) 1.816 m/h
(D)655.5 m³/s
5. For the reaction A+B→2B+C:
(A) TA=TB
3)TA= -TB
(C) TA= 2rB
(D)TA=TB/2
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