True vapour pressure of a petroleum fraction __________ Reid vapour pressure. (A) Is less than (B) Is more than (C) Is same as (D) May be either more or less than

True vapour pressure of a petroleum fraction __________ Reid vapour
pressure.
(A) Is less than
(B) Is more than
(C) Is same as
(D) May be either more or less than
by

1 Answer

Answer :

(D) May be either more or less than
by

Related questions

Reid vapour pressure of gasoline is the measure of its (A) Pour point (B) Cloud point (C) Vapour locking tendency (D) Carbon residue

Description : Reid vapour pressure of gasoline is the measure of its (A) Pour point (B) Cloud point (C) Vapour locking tendency (D) Carbon residue

Last Answer : (C) Vapour locking tendency

Higher viscosity of lubricating oil usually signifies (A) Lower Reid vapour pressure (B) Higher acid number (C) Higher flash point and fire point (D) Lower flash point and fire point

Description : Higher viscosity of lubricating oil usually signifies (A) Lower Reid vapour pressure (B) Higher acid number (C) Higher flash point and fire point (D) Lower flash point and fire point

Last Answer : (C) Higher flash point and fire point

__________ determination is not a very significant and important test for gasoline. (A) Gum & sulphur content (B) Viscosity (C) Octane number (D) Reid vapor pressure

Description : __________ determination is not a very significant and important test for gasoline. (A) Gum & sulphur content (B) Viscosity (C) Octane number (D) Reid vapor pressure

Last Answer : (B) Viscosity

Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture. (A) Bound (B) Unbound (C) Critical (D) None of these

Description : Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture. (A) Bound (B) Unbound (C) Critical (D) None of these

Last Answer : (A) Bound

Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is (A) 4 (B) 3 (C) 2 (D) 1

Description : Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is (A) 4 (B) 3 (C) 2 (D) 1

Last Answer : (A) 4

The first world cup hat trick was taken by __________ against New Zealand. A. Waqar Younis (Pakistan) B. Chetan Sharma (India) C. BA Reid (Australia) D. Kapil Dev (India)

Description : The first world cup hat trick was taken by __________ against New Zealand. A. Waqar Younis (Pakistan) B. Chetan Sharma (India) C. BA Reid (Australia) D. Kapil Dev (India)

Last Answer : ANSWER: B

The first world cup hat trick was taken by __________ against New Zealand. A. Waqar Younis (Pakistan) B. Chetan Sharma (India) C. BA Reid (Australia) D. Kapil Dev (India)

Description : The first world cup hat trick was taken by __________ against New Zealand. A. Waqar Younis (Pakistan) B. Chetan Sharma (India) C. BA Reid (Australia) D. Kapil Dev (India)

Last Answer : ANSWER: B

The first world cup hat trick was taken by __________ against New Zealand. A. Chetan Sharma (India) B. Waqar Younis (Pakistan) C. BA Reid (Australia) D. Kapil Dev (India)

Description : The first world cup hat trick was taken by __________ against New Zealand. A. Chetan Sharma (India) B. Waqar Younis (Pakistan) C. BA Reid (Australia) D. Kapil Dev (India)

Last Answer : ANSWER: A

The first world cup hat trick was taken by __________ against New Zealand. A. Waqar Younis (Pakistan) B. Chetan Sharma (India) C. BA Reid (Australia) D. Kapil Dev (India)

Description : The first world cup hat trick was taken by __________ against New Zealand. A. Waqar Younis (Pakistan) B. Chetan Sharma (India) C. BA Reid (Australia) D. Kapil Dev (India)

Last Answer : ANSWER: B

The first world cup hat trick was taken by __________ against New Zealand. A. Chetan Sharma (India) B. Waqar Younis (Pakistan) C. BA Reid (Australia) D. Kapil Dev (India)

Description : The first world cup hat trick was taken by __________ against New Zealand. A. Chetan Sharma (India) B. Waqar Younis (Pakistan) C. BA Reid (Australia) D. Kapil Dev (India)

Last Answer : ANSWER: A

The first world cup hat trick was taken by __________ against New Zealand. A. Waqar Younis (Pakistan) B. Chetan Sharma (India) C. BA Reid (Australia) D. Kapil Dev (India)

Description : The first world cup hat trick was taken by __________ against New Zealand. A. Waqar Younis (Pakistan) B. Chetan Sharma (India) C. BA Reid (Australia) D. Kapil Dev (India)

Last Answer : ANSWER: B

In Azeotropic mixture, the equilibrium vapour composition is (A) More than liquid composition (B) Less than liquid composition (C) Same as liquid composition (D) Independent of pressure

Description : In Azeotropic mixture, the equilibrium vapour composition is (A) More than liquid composition (B) Less than liquid composition (C) Same as liquid composition (D) Independent of pressure

Last Answer : (C) Same as liquid composition

Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam. (A) Bomb (B) Separating (C) Bucket (D) Throttling

Description : Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam. (A) Bomb (B) Separating (C) Bucket (D) Throttling

Last Answer : A) Bomb

Relative volatility does not change appreciably with the change in (A) Temperature (B) Vapour pressure of either component (C) Total pressure (D) None of these

Description : Relative volatility does not change appreciably with the change in (A) Temperature (B) Vapour pressure of either component (C) Total pressure (D) None of these

Last Answer : (A) Temperature

The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid. (A) Equal to (B) Less than (C) More than (D) None of these

Description : The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid. (A) Equal to (B) Less than (C) More than (D) None of these

Last Answer : Answer: Option C

When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the (A) Partial pressure of water vapour is less than the total pressure (B) Humidity is < 100% & dew point temperature of air has not reached (C) Dew point temperature of air has not reached & air is not saturated fully (D) Air is fully saturated

Description : When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the (A) Partial pressure of water vapour is less than the total pressure (B) Humidity is < 100% & dew ... Dew point temperature of air has not reached & air is not saturated fully (D) Air is fully saturated

Last Answer : (D) Air is fully saturated

With increase in density, the viscosity of petroleum products (A) Increases (B) Decreases (C) Remain same (D) Either (A) or (B)

Description : With increase in density, the viscosity of petroleum products (A) Increases (B) Decreases (C) Remain same (D) Either (A) or (B)

Last Answer : (A) Increases

Henry's law states that the (A) Partial pressure of a component over a solution is proportional to its mole fraction in the liquid (B) Partial pressure of a component over a solution is proportional to the mole fraction in the vapour (C) Vapour pressure is equal to the product of the mole fraction and total pressure (D) Partial pressure is equal to the product of the mole fraction and total pressure

Description : Henry's law states that the (A) Partial pressure of a component over a solution is proportional to its mole fraction in the liquid (B) Partial pressure of a component over a solution ... pressure (D) Partial pressure is equal to the product of the mole fraction and total pressure

Last Answer : (A) Partial pressure of a component over a solution is proportional to its mole fraction in the liquid

At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be (A) More (B) Less (C) Same (D) More or less; depending on the system

Description : At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be (A) More (B) Less (C) Same (D) More or less; depending on the system

Last Answer : (C) Same

Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. (A) Unbound (B) Critical (C) Free (D) Bound

Description : Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. (A) Unbound (B) Critical (C) Free (D) Bound

Last Answer : (A) Unbound

Mercury is often used in barometer because (A) It is the best liquid (B) The height of barometer will be less (C) Its vapour pressure is so low that it may be neglected (D) Both (B) and (C)

Description : Mercury is often used in barometer because (A) It is the best liquid (B) The height of barometer will be less (C) Its vapour pressure is so low that it may be neglected (D) Both (B) and (C)

Last Answer : Answer: Option D

Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature. (A) Less than (B) More than (C) Equal to (D) Either (A) or (B); depends on the solid

Description : Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature. (A) Less than (B) More than (C) Equal to (D) Either (A) or (B); depends on the solid

Last Answer : (A) Less than

The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy. (A) Less than (B) Equal to (C) More than (D) Either (B) or (C); depends on the type of alloy

Description : The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy. (A) Less than (B) Equal to (C) More than (D) Either (B) or (C); depends on the type of alloy

Last Answer : (A) Less than

For a solution of volatile liquids, the partial vapour pressure of each component in solution is directly proportional to its (a) Molarity (b) Mole fraction (c) Molality (d) Normality

Description : For a solution of volatile liquids, the partial vapour pressure of each component in solution is directly proportional to its (a) Molarity (b) Mole fraction (c) Molality (d) Normality

Last Answer : Ans:(b)

Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms. (A) 0.1 to 0.5 (B) 1.5 to 4.5 (C) 7.5 to 12.5 (D) 15-20

Description : Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms. (A) 0.1 to 0.5 (B) 1.5 to 4.5 (C) 7.5 to 12.5 (D) 15-20

Last Answer : (B) 1.5 to 4.5

Tray spacing in a distillation column of dia 10-12 ft. used in petroleum refinery may be around __________ inches. (A) 5 (B) 30 (C) 60 (D) 100

Description : Tray spacing in a distillation column of dia 10-12 ft. used in petroleum refinery may be around __________ inches. (A) 5 (B) 30 (C) 60 (D) 100

Last Answer : (B) 30

Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely miscible. It means that the aniline point of the diesel is __________ the room temperature. (A) More than (B) Less than (C) Same as (D) Either more or less; depends on the room temperature

Description : Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely miscible. It means that the aniline point of the diesel is __________ the room temperature. (A) ... (B) Less than (C) Same as (D) Either more or less; depends on the room temperature

Last Answer : (C) Same as

Water always boils when its (A) Temperature reaches 100° C (B) Vapour pressure equals 76 cm of Hg (C) Saturated vapour pressure equals the external pressure on its surface (D) Saturated vapour pressure is less than the atmospheric pressure

Description : Water always boils when its (A) Temperature reaches 100° C (B) Vapour pressure equals 76 cm of Hg (C) Saturated vapour pressure equals the external pressure on its surface (D) Saturated vapour pressure is less than the atmospheric pressure

Last Answer : (C) Saturated vapour pressure equals the external pressure on its surface

Net positive suction head (NPSH) of a centrifugal pump must be (A) Greater than the vapour pressure of the liquid (B) Less than the vapour pressure of the liquid(C) Equal to the vapour pressure of the liquid(D) Less than barometric pressure

Description : Net positive suction head (NPSH) of a centrifugal pump must be (A) Greater than the vapour pressure of the liquid (B) Less than the vapour pressure of the liquid (C) Equal to the vapour pressure of the liquid (D) Less than barometric pressure

Last Answer : (A) Greater than the vapour pressure of the liquid

Cavitation occurs in a centrifugal pump when the suction pressure is (A) Less than the vapour pressure of the liquid at that temperature (B) Greater than the vapour pressure of the liquid at that temperature (C) Equal to the vapour pressure (D) Equal to the developed head

Description : Cavitation occurs in a centrifugal pump when the suction pressure is (A) Less than the vapour pressure of the liquid at that temperature (B) Greater than the vapour pressure of the liquid at that temperature (C) Equal to the vapour pressure (D) Equal to the developed head

Last Answer : (A) Less than the vapour pressure of the liquid at that temperature

A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid. (A) Sub-cooled (B) Saturated (C) Non-solidifiable (D) None of these

Description : A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid. (A) Sub-cooled (B) Saturated (C) Non-solidifiable (D) None of these

Last Answer : (A) Sub-cooled

The catalytic cracking of heavier petroleum fraction is done to produce mainly (A) Gasoline (B) Asphalt (C) Diesel oil (D) Tar

Description : The catalytic cracking of heavier petroleum fraction is done to produce mainly (A) Gasoline (B) Asphalt (C) Diesel oil (D) Tar

Last Answer : (C) Diesel oil

In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction (A) Heavy distillates (B) Intermediate distillates (C) Light ends (D) Residues

Description : In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and ... the fraction (A) Heavy distillates (B) Intermediate distillates (C) Light ends (D) Residues

Last Answer : (A) Heavy distillates

Have you heard of "Broken Arrows" or Reid Gershbein?

Description : Have you heard of "Broken Arrows" or Reid Gershbein?

Last Answer : You can contact Reid through his website. link:“http://graphics.stanford.edu/~rsg/” or you can e-mail him at [email protected]

How many times has don reid been married?

Description : How many times has don reid been married?

Last Answer : how many times has don reid been married

How many times has don reid been married?

Description : How many times has don reid been married?

Last Answer : how many times has don reid been married

Where does Reid live?

Description : Where does Reid live?

Last Answer : Los Angeles, California

How much does Reid weigh?

Description : How much does Reid weigh?

Last Answer : i bet shes anorexic cos shes 38 kg

Does Reid have a brother?

Description : Does Reid have a brother?

Last Answer : Yes! Reid Ewing has a half brother. His half brother is Hot Chelle Rae's bass player Ian Keaggy

In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because(A) Temperature is less(B) Total pressure is less(C) Mixing of steam with the material being vaporised is not so intimate asto result in equilibrium condition(D) Saturated steam is used for steam distillation

Description : In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because (A) Temperature is less (B) Total pressure is less (C) Mixing of steam ... not so intimate as to result in equilibrium condition (D) Saturated steam is used for steam distillation

Last Answer : (C) Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition

On addition of solute in the solvent, the __________ of the solution decreases. (A) Boiling point (B) Freezing point (C) Vapour pressure (D) Both (B) and (C)

Description : On addition of solute in the solvent, the __________ of the solution decreases. (A) Boiling point (B) Freezing point (C) Vapour pressure (D) Both (B) and (C)

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

The relative saturation of a partially saturated mixture of vapour and gas can be increased by __________ of the mixture. (A) Reducing the total pressure (B) Increasing the total pressure (C) Reducing the temperature (D) Both (B) and (C)

Description : The relative saturation of a partially saturated mixture of vapour and gas can be increased by __________ of the mixture. (A) Reducing the total pressure (B) Increasing the total pressure (C) Reducing the temperature (D) Both (B) and (C)

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

At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. (A) 100 (B) 0 (C) 50 (D) Between 0 and 100

Description : At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. (A) 100 (B) 0 (C) 50 (D) Between 0 and 100

Last Answer : (B) 0

The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. (A) 25 (B) > 25 (C) < 25 (D) - 25

Description : The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. (A) 25 (B) > 25 (C) < 25 (D) - 25

Last Answer : (B) > 25

Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. (A) Free (B) Unbound (C) Equilibrium (D) Bound

Description : Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. (A) Free (B) Unbound (C) Equilibrium (D) Bound

Last Answer : (C) Equilibrium

Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation (A) Pressure falls below the vapour pressure (B) Pressure becomes very high (C) Temperature becomes low (D) All 'a', 'b' & 'c'

Description : Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation (A) Pressure falls below the vapour pressure (B) Pressure becomes very high (C) Temperature becomes low (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. (A) Always lower than (B) Always higher than (C) Same as (D) Dependent on the system; can be either lower or higher than

Description : When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. (A) Always lower than (B) Always higher than (C) Same as (D) Dependent on the system; can be either lower or higher than

Last Answer : (A) Always lower than

Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysteresis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. (A) Lower than (B) Higher than (C) Same as (D) Either same or higher than

Description : Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysteresis. In such ... (B) Higher than (C) Same as (D) Either same or higher than

Last Answer : (A) Lower than

At equilibrium the concentration of water in vapour phase (C* ) in kg/m3 of air space and the amount of water (m) adsorbed per kg of dry silica gel are related by, C* = 0.0667m. To maintain dry conditions in a room of air space 100m3 containing 2.2 kg of water vapour initially, 10 kg of dry silica gel is kept in the room. The fraction of initial water remaining in the air space after a long time (during which the temperature is maintained constant) is (A) 0.0 (B) 0.2 (C) 0.4 (D) 1.0

Description : At equilibrium the concentration of water in vapour phase (C* ) in kg/m3 of air space and the amount of water (m) adsorbed per kg of dry silica gel are related by, C* = 0.0667m. To maintain dry conditions in a room ... which the temperature is maintained constant) is (A) 0.0 (B) 0.2 (C) 0.4 (D) 1.0

Last Answer : (C) 0.4

Pressure drop through plate tower as compared to that through packed tower, for the same duty will be (A) Less (B) More (C) Equal (D) Either (A) or (B); depends on the packing height

Description : Pressure drop through plate tower as compared to that through packed tower, for the same duty will be (A) Less (B) More (C) Equal (D) Either (A) or (B); depends on the packing height

Last Answer : (B) More