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

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
by

1 Answer

Answer :

(C) Both parallel and straight
by

Related questions

In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalent to a theoretical plate HTUOG = overall gas phase height of a transfer unit). (A) Straight (B) Parallel (C) Both (A) & (B) (D) Neither (A) nor (B

Description : In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalent to a theoretical plate HTUOG = overall gas phase height of a transfer unit). (A) Straight (B) Parallel (C) Both (A) & (B) (D) Neither (A) nor (B

Last Answer : (C) Both (A) & (B)

If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are: (A) Straight (B) Parallel (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are: (A) Straight (B) Parallel (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in (A) Volume (B) Enthalpy (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in (A) Volume (B) Enthalpy (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

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

In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor. (A) Increases with increase in (B) Is one at unity value of (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor. (A) Increases with increase in (B) Is one at unity value of (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

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

Description : 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

Last Answer : (C) Both enthalpy and material balances

________ of depreciation calculation accounts for the interest on investment. (A) Straight line method (B) Declining balance (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : ________ of depreciation calculation accounts for the interest on investment. (A) Straight line method (B) Declining balance (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : D) Neither (A) nor (B)

If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero (A) Enthalpy (B) Volume (C) Both 'a' & 'b' (D) Neither 'a' nor 'b'

Description : If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero (A) Enthalpy (B) Volume (C) Both 'a' & 'b' (D) Neither 'a' nor 'b'

Last Answer : (C) Both 'a' & 'b'

In McCabe-Thiele method, at infinite reflux ratio (A) The overhead product is minimum (B) Both the operating lines coincide with diagonal (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : In McCabe-Thiele method, at infinite reflux ratio (A) The overhead product is minimum (B) Both the operating lines coincide with diagonal (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (A) The overhead product is minimum

The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by (A) Raising the temperature (B) Lowering the total pressure (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by (A) Raising the temperature (B) Lowering the total pressure (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B

Steam distillation is used for separation of high boiling (A) Substances from non-volatile impurities (B) Volatile impurity from still higher boiling substances (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Steam distillation is used for separation of high boiling (A) Substances from non-volatile impurities (B) Volatile impurity from still higher boiling substances (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Packed column distillation is limited to the column __________ metres. (A) Height < 6 (B) Diameter < 0.6 (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Packed column distillation is limited to the column __________ metres. (A) Height < 6 (B) Diameter < 0.6 (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Benzol is used (A) As a motor fuel blend (B) For producing benzene, toluene & xylene by its distillation (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Benzol is used (A) As a motor fuel blend (B) For producing benzene, toluene & xylene by its distillation (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

As the reflux ratio in a distillation column is increased from the minimum, the (A) Slope of the operating line in stripping section decreases (B) Number of plates decreases very slowly first and then more and more rapidly (C) Total cost first decreases and then increases (D) Liquid flow increases while the vapor flow decreases for a system

Description : As the reflux ratio in a distillation column is increased from the minimum, the (A) Slope of the operating line in stripping section decreases (B) Number of plates decreases very slowly first ... decreases and then increases (D) Liquid flow increases while the vapor flow decreases for a system

Last Answer : (C) Total cost first decreases and then increases

In an operating distillation column, the (A) Vapors and liquids are at their dew point and bubble point respectively (B) Driving force for the liquid flow is its specific weight (C) Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column (D) Highest temperature is encountered at the top of the column

Description : In an operating distillation column, the (A) Vapors and liquids are at their dew point and bubble point respectively (B) Driving force for the liquid flow is its specific weight (C) Driving force for ... bottom to the top of the column (D) Highest temperature is encountered at the top of the column

Last Answer : (C) Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column

Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a (A) Straight line (B) Sine curve (C) Parabola (D) Hyperbola

Description : Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a (A) Straight line (B) Sine curve (C) Parabola (D) Hyperbola

Last Answer : (A) Straight line

The method of reversal (A) Is usually directed to examine whether a certain part is truly parallel or perpendicular to another (B) Makes the erroneous relationship between parts evident (C) Both (a) and (b) (D) Neither (a) nor (b)

Description : The method of reversal (A) Is usually directed to examine whether a certain part is truly parallel or perpendicular to another (B) Makes the erroneous relationship between parts evident (C) Both (a) and (b) (D) Neither (a) nor (b)

Last Answer : (C) Both (a) and (b

On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in (A) Greater degree of separation with a fixed number of trays (B) Increased reboiler load

Description : On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in (A) Greater degree of separation with a fixed number of trays (B) Increased reboiler load

Last Answer : (C) Increased reflux ratio

Concentration of H2SO4 catalyst in alkylation is kept between 90-98%, because H2SO4 having concentration. (A) Less than 90% promotes polymerisation (B) More than 98% promotes cracking (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Concentration of H2SO4 catalyst in alkylation is kept between 90-98%, because H2SO4 having concentration. (A) Less than 90% promotes polymerisation (B) More than 98% promotes cracking (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in (A) Viscosity with concentration (B) Degree of ideality of the solution (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in (A) Viscosity with concentration (B) Degree of ideality of the solution (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Diffusion in concentrated solutions differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. (A) Degree of ideality (B) Viscosity (C) Both 'a '& 'b' (D) Neither 'a' nor 'b'

Description : Diffusion in concentrated solutions differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. (A) Degree of ideality (B) Viscosity (C) Both 'a '& 'b' (D) Neither 'a' nor 'b'

Last Answer : (C) Both 'a '& 'b

In case of constant underflow extraction operation, the __________ atall solute concentration.(A) Solids are drained to the same extent(B) Ratio of the insoluble to solution is constant(C) Both (A) & (B)(D) Neither (A) nor (B)

Description : In case of constant underflow extraction operation, the __________ atall solute concentration. (A) Solids are drained to the same extent (B) Ratio of the insoluble to solution is constant (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

In a CSTR __________ varies with time. (A) Reaction rate (B) Concentration (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : In a CSTR __________ varies with time. (A) Reaction rate (B) Concentration (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (D) Neither (A) nor (B)

Relative volatility varies with the concentration of component for an ideal solution. The relative volatility of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when (A) Only vapor phase follows Raoult's law (B) Only liquid phase obeys Dalton's law (C) Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law (D) Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law

Description : Relative volatility varies with the concentration of component for an ideal solution. The relative volatility of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of ... law (D) Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law

Last Answer : (D) Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law

Leidenfrost point is a term concerned with the (A) Condensation of the saturated vapor on a cold surface (B) Concentration of a corrosive solution by evaporation (C) Heat transfer between two highly viscous liquids (D) Boiling of a liquid on a hot surface

Description : Leidenfrost point is a term concerned with the (A) Condensation of the saturated vapor on a cold surface (B) Concentration of a corrosive solution by evaporation (C) Heat transfer between two highly viscous liquids (D) Boiling of a liquid on a hot surface

Last Answer : (D) Boiling of a liquid on a hot surface

Pick out the wrong statement. (A) In the McCabe-Thiele diagram for binary distillation, vertical feed line represents saturated liquid feed and horizontal feed line represents saturated vapour feed (B) In small columns, local efficiency is larger than Murphree efficiency; in large columns local efficiency is smaller than Murphree efficiency (C) For Laminar flow over a plate of length L, the local mass transfer co￾efficient at a distance L from the leading edge is 1.5 × 10 -2m/s. Then the average mass transfer co-efficient for the plate is 2 × 10 -2m/s (D) The concentration and hydrodynamic boundary layers over a flat plate are of equal thickness, if Schmidt number is equal to unity

Description : Pick out the wrong statement. (A) In the McCabe-Thiele diagram for binary distillation, vertical feed line represents saturated liquid feed and horizontal feed line represents saturated vapour feed (B) In ... layers over a flat plate are of equal thickness, if Schmidt number is equal to unity

Last Answer : (C) For Laminar flow over a plate of length L, the local mass transfer co￾efficient at a distance L from the leading edge is 1.5 × 10 -2m/s. Then the average mass transfer co-efficient for the plate is 2 × 10 -2m/s

For a distillation column operating at minimum reflux, the (A) Concentration of liquid and vapour leaving a plate will be same (B) Reflux ratio will be maximum (C) Number of plates required will be maximum

Description : For a distillation column operating at minimum reflux, the (A) Concentration of liquid and vapour leaving a plate will be same (B) Reflux ratio will be maximum (C) Number of plates required will be maximum

Last Answer : (C) Number of plates required will be maximum

Pick out the wrong statement. (A) The controlling resistance in case of heating of air by condensing steam is in the air film (B) The log mean temperature difference (LMTD) for counter flow and parallel flow can be theoretically same when any one of the fluids (hot or cold fluid) passes through the heat exchanger at constant temperature (C) In case of a 1 - 2 shell and tube heat exchanger, the LMTD correction factor value increases sharply, when a temperature cross occurs (D) Phase change in case of a pure fluid at a given pressure from liquid to vapor or vice-versa occurs at saturation temperature

Description : Pick out the wrong statement. (A) The controlling resistance in case of heating of air by condensing steam is in the air film (B) The log mean temperature difference (LMTD) for ... a pure fluid at a given pressure from liquid to vapor or vice-versa occurs at saturation temperature

Last Answer : (C) In case of a 1 - 2 shell and tube heat exchanger, the LMTD correction factor value increases sharply, when a temperature cross occurs

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

In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase. (A) Gas (B) Liquid (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase. (A) Gas (B) Liquid (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (B) Liquid

In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. (A) Liquid (B) Gas (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. (A) Liquid (B) Gas (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (B) Gas

The solvent used in liquid-liquid extraction should have __________ less than one. (A) Selectivity (B) Distribution co-efficient(C) Both (A) and (B)(D) Neither (A) nor (B)

Description : The solvent used in liquid-liquid extraction should have __________ less than one. (A) Selectivity (B) Distribution co-efficient (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (D) Neither (A) nor (B)

With increase in temperature, the leaching rate increases because of the (A) Increased diffusivity (B) Decreased viscosity of liquid (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : With increase in temperature, the leaching rate increases because of the (A) Increased diffusivity (B) Decreased viscosity of liquid (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

With increase in temperature, the leaching rate increases due to (A) Decreased liquid viscosity (B) Increased diffusivity (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : With increase in temperature, the leaching rate increases due to (A) Decreased liquid viscosity (B) Increased diffusivity (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Rise of liquid in a capillary tube is due to (A) Cohesion (B) Adhesion (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Rise of liquid in a capillary tube is due to (A) Cohesion (B) Adhesion (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B

__________ increases with increase in pressure. (A) The melting point of wax (B) The boiling point of a liquid (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : __________ increases with increase in pressure. (A) The melting point of wax (B) The boiling point of a liquid (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature). (A) log P vs. T (B) log P vs. log T (C) T vs. P (D) P vs. log T

Description : Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature). (A) log P vs. T (B) log P vs. log T (C) T vs. P (D) P vs. log T

Last Answer : (A) log P vs. T

Pick out the wrong statement. (A) LPG is also used as fuel for automobiles & small furnaces and for cutting & welding of metals (B) The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn, is called its flash point (C) Each ton of petroleum oil on distillation produces about 30-50 Nm3 of gas (D) Maximum yield of naphthalene is obtained on distillation of crude oil

Description : Pick out the wrong statement. (A) LPG is also used as fuel for automobiles & small furnaces and for cutting & welding of metals (B) The minimum temperature, at which a petroleum oil vapor catches ... about 30-50 Nm3 of gas (D) Maximum yield of naphthalene is obtained on distillation of crude oil

Last Answer : (B) The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn, is called its flash point

As I went across the bridge, I met a man with a load of wood which was neither straight nor crooked. What kind of wood was it? -Riddles

Description : As I went across the bridge, I met a man with a load of wood which was neither straight nor crooked. What kind of wood was it? -Riddles

Last Answer : Sawdust.

In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux. (A) Total (B) Minimum (C) Operating (D) Maximum permissible

Description : In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux. (A) Total (B) Minimum (C) Operating (D) Maximum permissible

Last Answer : (A) Total

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

Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. (A) Solid (B) Liquid (C) Combination of solid & liquid (D) Neither solid nor liquid

Description : Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. (A) Solid (B) Liquid (C) Combination of solid & liquid (D) Neither solid nor liquid

Last Answer : (C) Combination of solid & liquid

A common assumption about the players in a game is that a. Neither player knows the payoff matrix b. The players have different information about the payoff matrix c. Only one of the players pursues a rational strategy d. The specific identify of the players is irrelevant to the play of the game

Description : A common assumption about the players in a game is that a. Neither player knows the payoff matrix b. The players have different information about the payoff matrix c. Only one of the players pursues a rational strategy d. The specific identify of the players is irrelevant to the play of the game

Last Answer : d. The specific identify of the players is irrelevant to the play of the game

Shear force in a beam is (a) Parallel to the length (b) Perpendicular to the length (c) Neither parallel nor perpendicular to the length (d) None

Description : Shear force in a beam is (a) Parallel to the length (b) Perpendicular to the length (c) Neither parallel nor perpendicular to the length (d) None

Last Answer : (b) Perpendicular to the length

Pick out the wrong statement: (A) Absorption factor is constant, when the equilibrium and operating lines are straight (B) In case of a stripper, the equilibrium curve is always below the operating line (C) In case of an absorber, the operating line is always above the equilibrium curve (D) In the absorption of low solubility gases, the liquid film is the controlling resistance

Description : Pick out the wrong statement: (A) Absorption factor is constant, when the equilibrium and operating lines are straight (B) In case of a stripper, the equilibrium curve is always below ... (D) In the absorption of low solubility gases, the liquid film is the controlling resistance

Last Answer : (B) In case of a stripper, the equilibrium curve is always below the operating line

Pick out the wrong statement (A) Co-current absorbers are usually used, when the gas to be dissolved in the liquid is a pure substance (B) In case of gas absorption, HETP is equal to HTU, when both the operating line & the equilibrium lines are parallel (C) Hatta number is important in case of gas absorption with chemical reaction (D) In actual practice, absorption is an endothermic process, while stripping is an exothermic process

Description : Pick out the wrong statement (A) Co-current absorbers are usually used, when the gas to be dissolved in the liquid is a pure substance (B) In case of gas absorption, HETP is ... reaction (D) In actual practice, absorption is an endothermic process, while stripping is an exothermic process

Last Answer : (D) In actual practice, absorption is an endothermic process, while stripping is an exothermic process

A method, in which brand equity measured by comparing differences between the retail price of the 'brand' and the retail price of an unbranded product in the same category is called ______________ 1. brand goodwill method 2. price premium method 3. both 1 and 2 4. neither 1 nor 2 5. price increment method

Description : A method, in which brand equity measured by comparing differences between the retail price of the 'brand' and the retail price of an unbranded product in the same category is called ______________ 1. brand ... premium method 3. both 1 and 2 4. neither 1 nor 2 5. price increment method

Last Answer : price premium method

Strain compatibility method is the method used for the analysis and design of [ A ] singly reinforced sections [ B ] doubly reinforced sections [ C ] both (a) and (b) [ D ] neither (a) nor (b)

Description : Strain compatibility method is the method used for the analysis and design of [ A ] singly reinforced sections [ B ] doubly reinforced sections [ C ] both (a) and (b) [ D ] neither (a) nor (b)

Last Answer : [ C ] both (a) and (b)

Strain compatibility method is the method used for the analysis and design of [ A ] singly reinforced sections [ B ] doubly reinforced sections [ C ] both (a) and (b) [ D ] neither (a) nor (b)

Description : Strain compatibility method is the method used for the analysis and design of [ A ] singly reinforced sections [ B ] doubly reinforced sections [ C ] both (a) and (b) [ D ] neither (a) nor (b)

Last Answer : [ C ] both (a) and (b)

Which of the following are facts about a top-down software testing approach? I. Top-down testing typically requires the tester to build method stubs. II. Top-down testing typically requires the tester to build test drivers. (1) only I (2) Only II (3) Both I and II (4) Neither I nor II

Description : Which of the following are facts about a top-down software testing approach? I. Top-down testing typically requires the tester to build method stubs. II. Top-down testing typically requires the tester to build test drivers. (1) only I (2) Only II (3) Both I and II (4) Neither I nor II

Last Answer : (1) only I