Ponchon-Savarit method analyses the fractional equipment based on (A) Enthalpy balance only (B) Material balance only (C) Both enthalpy and material balances (D) The assumption of constant molal-overflow

Ponchon-Savarit method analyses the fractional equipment based on
(A) Enthalpy balance only
(B) Material balance only
(C) Both enthalpy and material balances
(D) The assumption of constant molal-overflow
by

1 Answer

Answer :

(C) Both enthalpy and material balances
by

Related questions

McCabe-Thiele method (A) Uses molal units for material and energy balance (B) Uses weight fractions to express liquid and vapour composition (C) Can use any type of units (D) Is more accurate than Ponchon-Savarit method

Description : McCabe-Thiele method (A) Uses molal units for material and energy balance (B) Uses weight fractions to express liquid and vapour composition (C) Can use any type of units (D) Is more accurate than Ponchon-Savarit method

Last Answer : (A) Uses molal units for material and energy balance

Which of the following assumes constant molal vaporisation and overflow?(A) McCabe-Thiele method (B) Ponchan-Savarit method (C) Enthalpy concentration method (D) Plate absorption column

Description : Which of the following assumes constant molal vaporisation and overflow? (A) McCabe-Thiele method (B) Ponchan-Savarit method (C) Enthalpy concentration method (D) Plate absorption column

Last Answer : (A) McCabe-Thiele method

Design calculation for multiple component distillation is done by (A) Ponchon-Savarit method (B) McCabe-Thiele method (C) Enthalpy concentration method (D) Tray to tray calculations

Description : Design calculation for multiple component distillation is done by (A) Ponchon-Savarit method (B) McCabe-Thiele method (C) Enthalpy concentration method (D) Tray to tray calculations

Last Answer : (D) Tray to tray calculations

Pick out the correct statement. (A) The slope of the stripping line is always less than unity (B) For a given separation in a binary distillation column, with increase in reflux ratio (above the minimum reflux ratio), the fixed cost of the distillation column first increases and then decreases (C) In Ponchon-Savarit method of no. of theoretical plate determination, the stripping and rectifying operating lines are vertical at total reflux (D) Kremser-Brown-Souder's equation is used to calculate the efficiency of a plate tower

Description : Pick out the correct statement. (A) The slope of the stripping line is always less than unity (B) For a given separation in a binary distillation column, with increase in reflux ratio ( ... (D) Kremser-Brown-Souder's equation is used to calculate the efficiency of a plate tower

Last Answer : C) In Ponchon-Savarit method of no. of theoretical plate determination, the stripping and rectifying operating lines are vertical at total reflux

Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for (A) Constant molal overflow (B) Total reflux (C) Constant relative volatility (D) All (A), (B) and (C)

Description : Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for (A) Constant molal overflow (B) Total reflux (C) Constant relative volatility (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The assumption made in Elis method in distillation is that enthalpy concentration lines of vapor and liquid are (A) Parallel (B) Straight (C) Both parallel and straight (D) Neither parallel nor straight

Description : The assumption made in Elis method in distillation is that enthalpy concentration lines of vapor and liquid are (A) Parallel (B) Straight (C) Both parallel and straight (D) Neither parallel nor straight

Last Answer : (C) Both parallel and straight

A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is (A) 0.50 (B) 0.58 (C) 0.68 (D) 0.62

Description : A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is (A) 0.50 (B) 0.58 (C) 0.68 (D) 0.62

Last Answer : (A) 0.50

Pick out the correct statement. (A) Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non￾ideal binary system by distillation (B) A sharp decrease in pressure drop is an indication of flooding in a distillation coloumn (C) Solvent used in extractive distillation should be of high volatility (D) Flash distillation is suitable for separating components which have very close boiling temperature

Description : Pick out the correct statement. (A) Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of ... Flash distillation is suitable for separating components which have very close boiling temperature

Last Answer : (A) Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non￾ideal binary system by distillation

For initial audits, additional matters the auditor may consider in the overall audit strategy and audit plan include the following except a. Major issues including the application of accounting principles or any auditing and reporting standards discussed with management. b. Confirmation of material accounts receivable balance at the end of the year. c. Planned audit procedure to obtain sufficient appropriate audit evidence regarding opening balances. d. Assignment of firm personnel with appropriate levels of capabilities and competence to respond to anticipated significant risks

Description : For initial audits, additional matters the auditor may consider in the overall audit strategy and audit plan include the following except a. Major issues including the application of ... firm personnel with appropriate levels of capabilities and competence to respond to anticipated significant risks

Last Answer : Confirmation of material accounts receivable balance at the end of the year.

Pick out the wrong statement (A) A horizontal line on the humidity chart indicates the temperature changes at constant molal humidity (B) When water is cooled from 80 to 70°C by exposure to the air with a wet bulb temperature of 60°C, then both the approach & the range would be 10°C (C) For unsaturated air-water vapor mixture at atmospheric conditions, the wet bulb temperature & adiabatic cooling lines are the same (D) Relative saturation of unsaturated mixture of water vapor & air cannot be increased by either reducing the mixture temperature or by increasing the total pressure

Description : Pick out the wrong statement (A) A horizontal line on the humidity chart indicates the temperature changes at constant molal humidity (B) When water is cooled from 80 to 70°C by exposure ... & air cannot be increased by either reducing the mixture temperature or by increasing the total pressure

Last Answer : (D) Relative saturation of unsaturated mixture of water vapor & air cannot be increased by either reducing the mixture temperature or by increasing the total pressure

In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the a. normal stress remains constant in all directions b. normal stress varies linearly in the material c. elastic constants are same in all the directions d. elastic constants varies linearly in the material

Description : In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the a. normal stress remains constant in all directions b. ... c. elastic constants are same in all the directions d. elastic constants varies linearly in the material

Last Answer : c. elastic constants are same in all the directions

A post-closing trial balance will show a. only permanent account balances. b. only temporary account balances. c. zero balances for all accounts. d. the amount of net income (or loss) for the period.

Description : A post-closing trial balance will show a. only permanent account balances. b. only temporary account balances. c. zero balances for all accounts. d. the amount of net income (or loss) for the period.

Last Answer : a. only permanent account balances.

In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when (A) Saturated feed is not used (B) An azeotrope forms (C) The latent heat of vaporisation of the more and less volatile components are greatly different (D) A total condenser is used

Description : In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when (A) Saturated feed is not used (B) An azeotrope forms (C) The latent ... vaporisation of the more and less volatile components are greatly different (D) A total condenser is used

Last Answer : (D) A total condenser is used

Define molal elevation constant or ebullioscopic constant.

Description : Define molal elevation constant or ebullioscopic constant. 

Last Answer : Ans:- It is equal to the elevation in boiling point of1 molar soln. i.e one mole of a solute dissolved in 1 kg of the solvent.

The applications of the Finite Element Method in two-dimensional analyses are . a.stretching of plates b.gravity of dams c.axisymmetric shells d.all of the above

Description : The applications of the Finite Element Method in two-dimensional analyses are . a.stretching of plates b.gravity of dams c.axisymmetric shells d.all of the above

Last Answer : c.axisymmetric shells

Fill in the blanks. Digital Forensics is a series of steps to _________ and _________ electronic data through ________ method. a. Solve, analyses, Intelligent b. Uncover, analyses, scientific c. Uncover, analyses, electronic d. Solve, analyses, electronic

Description : Fill in the blanks. Digital Forensics is a series of steps to _________ and _________ electronic data through ________ method. a. Solve, analyses, Intelligent b. Uncover, analyses, scientific c. Uncover, analyses, electronic d. Solve, analyses, electronic

Last Answer : b. Uncover, analyses, scientific

Pick out the wrong statemen(A) Autocatalytic reactions are exemplified by microbial fermentation reactions (B) The slowest step has the greatest influence on the overall reaction rate in case of an irreversible series reaction (C) The fractional conversion at any time is same for both the constant as well as the variable volume system in case of an irreversible unimolecular type first order reaction (D) Hydrolysis of ester in presence of alkali or acid is a zero order reaction

Description : Pick out the wrong statemen (A) Autocatalytic reactions are exemplified by microbial fermentation reactions (B) The slowest step has the greatest influence on the overall reaction rate in case of an ... reaction (D) Hydrolysis of ester in presence of alkali or acid is a zero order reaction

Last Answer : (D) Hydrolysis of ester in presence of alkali or acid is a zero order reaction

A report of bag balance in the pro forma given below will be submitted by each UBO to its _____daily and by each DBO to its weekly. The Circle Bag Office will send a______ of balances in the prescribed pro forma (not furnished here) on the __________to the Central Bag Office, i.e., ‘D’ Section of Postal Directorate. a) CBO, CBO, Daily report , 1st of each month b) DBO, CBO, monthly report , 5th of each month c) UBO, DBO, monthly report , 10th of each month d) None of these

Description : A report of bag balance in the pro forma given below will be submitted by each UBO to its _____daily and by each DBO to its weekly. The Circle Bag Office will send a______ of balances in the prescribed pro ... , 5th of each month c) UBO, DBO, monthly report , 10th of each month d) None of these

Last Answer : b) DBO, CBO, monthly report , 5th of each month

he steps in the preparation of a worksheet do not include a. analyzing documentary evidence. b. preparing a trial balance on the worksheet. c. entering the adjustments in the adjustment columns. d. entering adjusted balances in the adjusted trial balance columns.

Description : he steps in the preparation of a worksheet do not include a. analyzing documentary evidence. b. preparing a trial balance on the worksheet. c. entering the adjustments in the adjustment columns. d. entering adjusted balances in the adjusted trial balance columns.

Last Answer : a. analyzing documentary evidence.

The two optional steps in the accounting cycle are preparing a. a post-closing trial balance and reversing entries. b. a worksheet and post-closing trial balances. c. reversing entries and a worksheet. d. an adjusted trial balance and a post-closing trial balance.

Description : The two optional steps in the accounting cycle are preparing a. a post-closing trial balance and reversing entries. b. a worksheet and post-closing trial balances. c. reversing entries and a worksheet. d. an adjusted trial balance and a post-closing trial balance.

Last Answer : c. reversing entries and a worksheet.

The balances that appear on the post-closing trial balance will match the a. income statement account balances after adjustments. b. balance sheet account balances after closing entries. c. income statement account balances after closing entries. d. balance sheet account balances after adjustments.

Description : The balances that appear on the post-closing trial balance will match the a. income statement account balances after adjustments. b. balance sheet account balances after closing entries. ... statement account balances after closing entries. d. balance sheet account balances after adjustments.

Last Answer : b. balance sheet account balances after closing entries.

The purpose of the post-closing trial balance is to a. prove that no mistakes were made. b. prove the equality of the balance sheet account balances that are carried forward into the next accounting period. c. prove the equality of the income statement account balances that are carried forward into the next accounting period. d. list all the balance sheet accounts in alphabetical order for easy reference.

Description : The purpose of the post-closing trial balance is to a. prove that no mistakes were made. b. prove the equality of the balance sheet account balances that are carried forward into the ... next accounting period. d. list all the balance sheet accounts in alphabetical order for easy reference.

Last Answer : b. prove the equality of the balance sheet account balances that are carried forward into the next accounting period.

The summarized balance sheet of Autolight Limited shows the balances of previous and current year of retained earnings Rs. 25,000 and Rs. 35,000. If dividend paid during the current year amounted to Rs. 5,000 then profit earned during the year will be: (a) Rs. 5,000 (b) Rs. 55,000 (c) Rs. 15,000 (d) Rs. 65,000

Description : The summarized balance sheet of Autolight Limited shows the balances of previous and current year of retained earnings Rs. 25,000 and Rs. 35,000. If dividend paid during the current year amounted to Rs. 5,000 then profit earned during ... (a) Rs. 5,000 (b) Rs. 55,000 (c) Rs. 15,000 (d) Rs. 65,000

Last Answer : (c) Rs. 15,000

The summarized balance sheet of Rakesh udyog Limited shows the balances of previous and current year of provision for taxation Rs. 50,000 and Rs. 65,000. If taxed paid during the current year amounted to Rs. 70,000 then amount charge from Profit and Loss Account will be: (a) Rs. 55,000 (b) Rs. 85,000 (c) Rs. 45,000 (d) Rs. 1,85,000

Description : The summarized balance sheet of Rakesh udyog Limited shows the balances of previous and current year of provision for taxation Rs. 50,000 and Rs. 65,000. If taxed paid during the current year amounted to Rs. 70,000 then amount charge ... a) Rs. 55,000 (b) Rs. 85,000 (c) Rs. 45,000 (d) Rs. 1,85,000

Last Answer : (b) Rs. 85,000

Consider the following assumption made in the analysis of a jet impinging normally on a moving plate to introduce the principle of moment of momentum: 1. Friction between jet and plate is neglected. 2. Flow is steady 3. Impinging momentum of jet is uncharged. 4. Plate moves at a constant velocity. Which of these statements are relevant? (a) 1, 2 & 4 only (b) 1, 2 & 3 only (c) 2, 3 and 4 only (d) 1, 2, 3 & 4

Description : Consider the following assumption made in the analysis of a jet impinging normally on a moving plate to introduce the principle of moment of momentum: 1. Friction between jet and plate is neglected. 2. Flow is steady 3. Impinging momentum of ... b) 1, 2 & 3 only (c) 2, 3 and 4 only (d) 1, 2, 3 & 4

Last Answer : (a) 1, 2 & 4 only

Which of the following is not included in the assumption on which Myron Gorden proposed a model on Stock valuation A. Retained earning the only source of financing B. Finite Life of the firm C. Taxes do not exist D. Constant rate of return on firms investment.

Description : Which of the following is not included in the assumption on which Myron Gorden proposed a model on Stock valuation A. Retained earning the only source of financing B. Finite Life of the firm C. Taxes do not exist D. Constant rate of return on firms investment.

Last Answer : B. Finite Life of the firm

Law of diminishing marginal utility is based on the assumption that a. Tastes change over time b. Consumption is continuous c. Different units of goods consumed are homogeneous Of these statements: A.Only a is true B.a and c are true C.b and c are true D.All are true

Description : Law of diminishing marginal utility is based on the assumption that a. Tastes change over time b. Consumption is continuous c. Different units of goods consumed are homogeneous Of these statements: A.Only a is true B.a and c are true C.b and c are true D.All are true

Last Answer : D.All are true

With increase in initial concentration, the fractional conversion of a first order reaction in a given time (A) Increases (B) Decreases (C) Remain constant (D) Unpredictable

Description : With increase in initial concentration, the fractional conversion of a first order reaction in a given time (A) Increases (B) Decreases (C) Remain constant (D) Unpredictable

Last Answer : (C) Remain constant

The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇌ Y, in which the (A) Equilibrium constant is infinite (B) Fractional conversion of 'A' at equilibrium is unity (C) Concentration of 'A' at equilibrium is zero (D) All (A), (B) and (C)

Description : The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇌ Y, in which the (A) Equilibrium constant is infinite (B) Fractional conversion of 'A' at equilibrium is unity (C) Concentration of 'A' at equilibrium is zero (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is (A) 0.33 (B) 0.5 (C) 1 (D) Data insufficient, can't be predicted

Description : A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is (A) 0.33 (B) 0.5 (C) 1 (D) Data insufficient, can't be predicted

Last Answer : (C) 1

In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is (A) More (B) Less (C) Same (D) Either (A) or (B), depends on other factors

Description : In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is (A) More (B) Less (C) Same (D) Either (A) or (B), depends on other factors

Last Answer : (C) Same

Which of the following conditions is to be satisfied both in elastic and plastic analyses? (a) Equilibrium condition (b) Yield condition (c ) Plastic moment condition (d) Mechanism condition

Description : Which of the following conditions is to be satisfied both in elastic and plastic analyses? (a) Equilibrium condition (b) Yield condition (c ) Plastic moment condition (d) Mechanism condition

Last Answer : (a) Equilibrium condition

The dimension of diffusivity is same as that of the (A) Density (B) Molal concentration (C) Kinematic viscosity (D) Velocity head

Description : The dimension of diffusivity is same as that of the (A) Density (B) Molal concentration (C) Kinematic viscosity (D) Velocity head

Last Answer : (C) Kinematic viscosity

Wetted wall tower experiment determines the (A) Molal diffusivity (B) Volumetric co-efficient (C) Mass transfer co-efficient (D) None of these

Description : Wetted wall tower experiment determines the (A) Molal diffusivity (B) Volumetric co-efficient (C) Mass transfer co-efficient (D) None of these

Last Answer : (C) Mass transfer co-efficient

In case of non-ideal gases and liquids, the molal diffusivity (A) Varies inversely as the pressure (B) Varies directly as the pressure (C) Is independent of pressure (D) Is equal to the volumetric diffusivity

Description : In case of non-ideal gases and liquids, the molal diffusivity (A) Varies inversely as the pressure (B) Varies directly as the pressure (C) Is independent of pressure (D) Is equal to the volumetric diffusivity

Last Answer : (C) Is independent of pressure

Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity. (A) Molal (B) Relative (C) Percentage (D) None of these

Description : Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in ... (A) Molal (B) Relative (C) Percentage (D) None of these

Last Answer : (A) Mola

The chemical potential for a pure substance is __________ its partial molal free energy. (A) More than (B) Less than (C) Equal to (D) Not related to

Description : The chemical potential for a pure substance is __________ its partial molal free energy. (A) More than (B) Less than (C) Equal to (D) Not related to

Last Answer : (C) Equal to

For a multi-component system, the term chemical potential is equivalent to the (A) Molal concentration difference (B) Molar free energy (C) Partial molar free energy (D) Molar free energy change

Description : For a multi-component system, the term chemical potential is equivalent to the (A) Molal concentration difference (B) Molar free energy (C) Partial molar free energy (D) Molar free energy change

Last Answer : (C) Partial molar free energy

Gibbs free energy per mole for a pure substance is equal to the (A) Latent heat of vaporisation (B) Chemical potential (C) Molal boiling point (D) Heat capacity

Description : Gibbs free energy per mole for a pure substance is equal to the (A) Latent heat of vaporisation (B) Chemical potential (C) Molal boiling point (D) Heat capacity

Last Answer : (B) Chemical potential

Which of the following is an extensive property of a system? (A) Heat capacity (B) Molal heat capacity (C) Pressure (D) Concentration

Description : Which of the following is an extensive property of a system? (A) Heat capacity (B) Molal heat capacity (C) Pressure (D) Concentration

Last Answer : A) Heat capacity

During the planning development process, at times it is necessary to make certain assumptions to enhance the project plan when the data is not available. In regard to making those assumptions, which one of the following is most true for project planning purposes? 1. The assumptions will be considered as true, real, or certain. 2. By making the assumption, it tends to reduce the project risk. 3. Project assumptions are based upon historical data used for the project. 4. Senior management predefines the budget constraints.

Description : During the planning development process, at times it is necessary to make certain assumptions to enhance the project plan when the data is not available. In regard to making those assumptions, ... upon historical data used for the project.  4. Senior management predefines the budget constraints.

Last Answer : 1. The assumptions will be considered as true, real, or certain.

Auditing is based on the assumption that financial data and statements are a. Verifiable b. In conformity with the identified applicable financial reporting framework c. Presented fairlyd. Consistently applied

Description : Auditing is based on the assumption that financial data and statements are a. Verifiable b. In conformity with the identified applicable financial reporting framework c. Presented fairly d. Consistently applied

Last Answer : Verifiable

Auditing is based on the assumption that financial data are verifiable. Data are verifiable when two or more qualified individuals, a. Working together, can prove, beyond doubt, the accuracy of the data. b. Working independently, can prove, beyond reasonable doubt, the truthfulness of the data. c. Working independently, each reach essentially similar conclusions. d. Working together, can agree upon the accuracy of the data

Description : Auditing is based on the assumption that financial data are verifiable. Data are verifiable when two or more qualified individuals, a. Working together, can prove, beyond doubt, the accuracy of ... reach essentially similar conclusions. d. Working together, can agree upon the accuracy of the data

Last Answer : Working independently, each reach essentially similar conclusions

Gender roles refer to [A] Rights, responsibilities and relationship of women and men [B] The subordination of women based on the assumption of superiority of men [C] Chromosome and hormonal difference [D] None of the above

Description : Gender roles refer to [A] Rights, responsibilities and relationship of women and men [B] The subordination of women based on the assumption of superiority of men [C] Chromosome and hormonal difference [D] None of the above

Last Answer : [A] Rights, responsibilities and relationship of women and men

__________ is based on the assumption that the future will be just like the past. [Hint] a. Delphi forecasts b. Econometric models c. Linear regressiond. Scenario forecasts

Description : __________ is based on the assumption that the future will be just like the past. [Hint] a. Delphi forecasts b. Econometric models c. Linear regression d. Scenario forecasts

Last Answer : Linear regression

Derivation of Thiem's formula Q = 2 (s1 - s2)/2.3 log10 (r2/r1) is based on the assumption (A) The aquifer is homogeneous, isotropic and of infinite depth and area (B) The well is sunk through the full depth of the aquifer (C) The flow lines are radial and horizontal, and the flow is laminar (D) All the above

Description : Derivation of Thiem's formula Q = 2 (s1 - s2)/2.3 log10 (r2/r1) is based on the assumption  (A) The aquifer is homogeneous, isotropic and of infinite depth and area  (B) The well is sunk ... (C) The flow lines are radial and horizontal, and the flow is laminar  (D) All the above 

Last Answer : (D) All the above 

Sedimentation analysis is based on the assumption: (A) Soil particles are spherical (B) Particles settle independent of other particles (C) Walls of the jar do not affect the settlement (D) All the above

Description : Sedimentation analysis is based on the assumption: (A) Soil particles are spherical (B) Particles settle independent of other particles (C) Walls of the jar do not affect the settlement (D) All the above

Last Answer : (D) All the above

The Bernoulli's equation is based on the assumption that (A) There is no loss of energy of the liquid flowing (B) The velocity of flow is uniform across any cross-section of the pipe (C) No force except gravity acts on the fluid (D) All of the above

Description : The Bernoulli's equation is based on the assumption that (A) There is no loss of energy of the liquid flowing (B) The velocity of flow is uniform across any cross-section of the pipe (C) No force except gravity acts on the fluid (D) All of the above

Last Answer : Answer: Option D