Filter medium resistance is that offered by the(A) Filter cloth(B) Embedded particles in the septum(C) Filter cloth and the embedded particle collectively(D) None of these

Filter medium resistance is that offered by the
(A) Filter cloth
(B) Embedded particles in the septum
(C) Filter cloth and the embedded particle collectively
(D) None of these
by

1 Answer

Answer :

(C) Filter cloth and the embedded particle collectively
by

Related questions

The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size). (A) c/s (B) s/c (C) s . c (D) 1/s . c

Description : The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size). (A) c/s (B) s/c (C) s . c (D) 1/s . c

Last Answer : (A) c/s

Which of the following is not used as a filter medium in case of corrosive liquids? (A) Nylon (B) Glass cloth (C) Metal cloth of monel or stainless steel (D) Cotton fabric

Description : Which of the following is not used as a filter medium in case of corrosive liquids? (A) Nylon (B) Glass cloth (C) Metal cloth of monel or stainless steel (D) Cotton fabric

Last Answer : (D) Cotton fabric

Filter aid is used to (A) Increase the rate of filtration (B) Decrease the pressure drop (C) Increase the porosity of the cake (D) Act as a support base for the septum

Description : Filter aid is used to (A) Increase the rate of filtration (B) Decrease the pressure drop (C) Increase the porosity of the cake (D) Act as a support base for the septum

Last Answer : (C) Increase the porosity of the cake

Gelatinous solid (which plug the septum) can be filtered by a __________ filter. (A) Sparkler (B) Plate and frame (C) Vacuum leaf (D) Pre-coat

Description : Gelatinous solid (which plug the septum) can be filtered by a __________ filter. (A) Sparkler (B) Plate and frame (C) Vacuum leaf (D) Pre-coat

Last Answer : (D) Pre-coat

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 × 10 3 VOM + 10.94 × 10 6 V2 OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is (A) 12 mm/s (B) 16 mm/s (C) 24 mm/s (D) 28 mm/s

Description : A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle ... fluidisation velocity, VOM is (A) 12 mm/s (B) 16 mm/s (C) 24 mm/s (D) 28 mm/s

Last Answer : (B) 16 mm/s

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below: Δ P/L = 375 × 10 3 VOM + 10.94 × 10 6 V2 OM (SI units) If water is to be used as the fluidising medium, in actual operation, the above bed has a height = 1 m. What is the porosity of the fluidised bed? (A) 0.2 (B) 0.5 (C) 0.7 (D) 0.8

Description : A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system ... What is the porosity of the fluidised bed? (A) 0.2 (B) 0.5 (C) 0.7 (D) 0.8

Last Answer : (C) 0.7

Assertion :- Filtration of colloidal particles is not possible by filter paper. Reason :- Size of colloidal particle is less than filter paper pores.

Description : Assertion :- Filtration of colloidal particles is not possible by filter paper. Reason :- Size of colloidal particle is less than filter paper pores.

Last Answer : Assertion :- Filtration of colloidal particles is not possible by filter paper. Reason :- Size of ... D. If both Assertion & Reason are False.

Filtration rate does not depend upon the (A) Pressure drop & area of filtering surface (B) Resistance of the cake & the septum (C) Properties of the cake & the filtrate (D) None of these

Description : Filtration rate does not depend upon the (A) Pressure drop & area of filtering surface (B) Resistance of the cake & the septum (C) Properties of the cake & the filtrate (D) None of these

Last Answer : (D) None of these

For the non catalytic reaction of particles with surrounding fluid, the same needed to achieve the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. (A) Film diffusion (B) Diffusion through ash layer (C) Chemical reaction (D) Either (A), (B) or (C)

Description : For the non catalytic reaction of particles with surrounding fluid, the same needed to achieve the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the ... through ash layer (C) Chemical reaction (D) Either (A), (B) or (C)

Last Answer : (C) Chemical reaction

For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. (A) Film diffusion (B) Diffusion through ash layer (C) Chemical reaction (D) Either (A), (B) or (C)

Description : For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, ... through ash layer (C) Chemical reaction (D) Either (A), (B) or (C)

Last Answer : (B) Diffusion through ash layer

Filter medium resistance is important during the __________ of filtration. (A) Early stages (B) Final stages (C) Entire process (D) None of these

Description : Filter medium resistance is important during the __________ of filtration. (A) Early stages (B) Final stages (C) Entire process (D) None of these

Last Answer : (A) Early stages

The unit of filter medium resistance is(A) cm-1(B) gm/cm-1(C) cm/gm-1(D) gm-1

Description : The unit of filter medium resistance is (A) cm-1 (B) gm/cm-1 (C) cm/gm-1 (D) gm-1

Last Answer : (A) cm-1

Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is (A) Added to the feed slurry (B) Pre-coated on the filter medium prior to filtration (C) Separated from the cake by dissolving solids or by burning it off (D) All 'a', 'b' & 'c'

Description : Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is (A) Added to the feed slurry (B) Pre ... the cake by dissolving solids or by burning it off (D) All 'a', 'b' & 'c'

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

During the washing of cake (A) All the resistances are constant (B) Filter medium resistance increases (C) Filter medium resistance decreases (D) Cake resistance decreases

Description : During the washing of cake (A) All the resistances are constant (B) Filter medium resistance increases (C) Filter medium resistance decreases (D) Cake resistance decreases

Last Answer : (A) All the resistances are constant

The controlling resistance in a rotary drum vacuum filter is the __________ resistance.(A) Piping (B) Cake (C) Filter medium (D) None of these

Description : The controlling resistance in a rotary drum vacuum filter is the __________ resistance. (A) Piping (B) Cake (C) Filter medium (D) None of these

Last Answer : (B) Cake

During filtration operation, the filtrate encounters the resistance of the (A) Filter medium (B) Cake (C) Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium (D) All (A), (B) and (C)

Description : During filtration operation, the filtrate encounters the resistance of the (A) Filter medium (B) Cake (C) Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium (D) All (A), (B) and (C)

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

Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc ) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance). (A) √μ (B) 1/√μ (C) 1/μ (D) 1/μ

Description : Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc ) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance). (A) √μ (B) 1/√μ (C) 1/μ (D) 1/μ

Last Answer : (B) 1/√μ

Selection of filter cloth?

Description : Selection of filter cloth?

Last Answer : Filter press is increasingly applied by more and more industries such as metallurgy, mining, printing as an effective and affordable equipment of solid-liquid separation. As an essential factor of ... short filter cycle. Filter cloth selection mainly depends on Materials. Yarn Types. Weave Patterns.

Who is the best Filter Cloth Suppliers in India?

Description : Who is the best Filter Cloth Suppliers in India?

Last Answer : Hydro Press Industries are one of the best filter cloth suppliers manufacturers in South India. The quality filter cloth from Hydro Press delivers quality and performance

The unit of filter medium resistance is________

Description : The unit of filter medium resistance is________

Last Answer : L^-1

Seating the brushes on a D.C. motor is first accomplished using ________________. A. a file for cutting the approximate curvature followed by sandpaper for the final fit B. sandpaper with the motor not operating and then a seating stone while running the machine C. emery paper for the initial cut and crocus cloth for the finishing cut D. course lapping compound, followed by a medium and then a fine grade

Description : Seating the brushes on a D.C. motor is first accomplished using ________________. A. a file for cutting the approximate curvature followed by sandpaper for the final fit B. sandpaper with the motor not ... for the finishing cut D. course lapping compound, followed by a medium and then a fine grade

Last Answer : Answer: B

. The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an (A) Bag filter (B) Electrostatic precipitator (C) Cyclone separator (D) Wet scrubber

Description : . The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an (A) Bag filter (B) Electrostatic precipitator (C) Cyclone separator (D) Wet scrubber

Last Answer : (B) Electrostatic precipitator

. For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid? (A) Kozeny-Carman equation (B) Leva's equation (C) Blake-Plummer equation (D) None of these

Description : . For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid? (A) Kozeny-Carman equation (B) Leva's equation (C) Blake-Plummer equation (D) None of these

Last Answer : (A) Kozeny-Carman equation

Pick out the wrong statement. (A) Gape is the greatest distance between the crushing surfaces or the jaws (B) The angle of nip (2α) is the angle between roll faces at the level where they will just take hold of a particle and draw it in the crushing zone (C) Crushing efficiency is the ratio of the energy absorbed by the solid to the surfaces energy created by crushing (D) Reduction ratio is the ratio of the maximum size of the particles in the feed to that in the product

Description : Pick out the wrong statement. (A) Gape is the greatest distance between the crushing surfaces or the jaws (B) The angle of nip (2α) is the angle between roll faces at the level where they will ... Reduction ratio is the ratio of the maximum size of the particles in the feed to that in the product

Last Answer : (C) Crushing efficiency is the ratio of the energy absorbed by the solid to the surfaces energy created by crushing

Jigging is a technique by which different particles can be (A) Separated by particle size (B) Separated by particle density (C) Separated by particle shape (D) Mixed

Description : Jigging is a technique by which different particles can be (A) Separated by particle size (B) Separated by particle density (C) Separated by particle shape (D) Mixed

Last Answer : (A) Separated by particle size

Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) (A) m/ρ . Vp (B) m . ρ/Vp (C) m . Vp /ρ (D) Vp /m . ρ

Description : Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) (A) m/ρ . Vp (B) m . ρ/Vp (C) m . Vp /ρ (D) Vp /m . ρ

Last Answer : (A) m/ρ . Vp

The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). (A) 6/D.ρ(B) 2/D.ρ (C) 4/D.ρ (D) 12/D.ρ

Description : The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). (A) 6/D.ρ (B) 2/D.ρ (C) 4/D.ρ (D) 12/D.ρ

Last Answer : (A) 6/D.ρ

Sorting classifiers employing differential settling methods forseparation of particles make use of the differences in their(A) Particle sizes(B) Densities(C) Terminal velocities(D) None of these

Description : Sorting classifiers employing differential settling methods forseparation of particles make use of the differences in their (A) Particle sizes (B) Densities (C) Terminal velocities (D) None of these

Last Answer : (C) Terminal velocities

Bond crushing law (A) Calls for relatively less energy for the smaller product particles, than does the Rittinger law (B) Is less realistic in estimating the power requirements of commercial crushers (C) States that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface ratio of the product (D) States that the work required for the crushing is proportional to the new surface created

Description : Bond crushing law (A) Calls for relatively less energy for the smaller product particles, than does the Rittinger law (B) Is less realistic in estimating the power requirements of commercial crushers ( ... (D) States that the work required for the crushing is proportional to the new surface created

Last Answer : (A) Calls for relatively less energy for the smaller product particles, than does the Rittinger law

The specific surface of spherical particles is proportional to (where, Dp = diameter of particle). (A) D2 p (B) Dp (C) 1/Dp (D) 1/D2p

Description : The specific surface of spherical particles is proportional to (where, Dp = diameter of particle). (A) D2 p (B) Dp (C) 1/Dp (D) 1/D2p

Last Answer : (C) 1/Dp

For motion of spherical particles in a stationary fluid, the drag co￾efficient in hindered settling compared to that in free settling is (A) More (B) Less (C) Equal (D) More or less, depending on the type of particle

Description : For motion of spherical particles in a stationary fluid, the drag co￾efficient in hindered settling compared to that in free settling is (A) More (B) Less (C) Equal (D) More or less, depending on the type of particle

Last Answer : (A) More

Slugging in a fluidised bed can be avoided by using (A) Tall narrow vessel (B) Deep bed of solids (C) Shallow beds of solids and proper choice of particle size (D) Very large particles

Description : Slugging in a fluidised bed can be avoided by using (A) Tall narrow vessel (B) Deep bed of solids (C) Shallow beds of solids and proper choice of particle size (D) Very large particles

Last Answer : (C) Shallow beds of solids and proper choice of particle size

Which of the following is not an advantage of fluidisation from transferoperation point of view?(A) Intimate contact of the fluid with all parts of the solid particles(B) Lower fluid pumping power requirement(C) Minimisation of temperature variation(D) Prevention of particle segregation

Description : Which of the following is not an advantage of fluidisation from transferoperation point of view? (A) Intimate contact of the fluid with all parts of the solid particles (B) Lower fluid pumping power requirement (C) Minimisation of temperature variation (D) Prevention of particle segregation

Last Answer : (B) Lower fluid pumping power requirement

A streamline is a line in flow field, (A) That is traced by all the fluid particles passing through a given point (B) Along which a fluid particle travels (C) Such that at every point on it, the velocity is tangential to it (D) None of these

Description : A streamline is a line in flow field, (A) That is traced by all the fluid particles passing through a given point (B) Along which a fluid particle travels (C) Such that at every point on it, the velocity is tangential to it (D) None of these

Last Answer : (C) Such that at every point on it, the velocity is tangential to it

Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal (A) By chemical coagulation (B) In sedimentation tanks equipped with mechanical scrapper (C) In vacuum filter (D) In clarifiers

Description : Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal (A) By chemical coagulation (B) In sedimentation tanks equipped with mechanical scrapper (C) In vacuum filter (D) In clarifiers

Last Answer : (B) In sedimentation tanks equipped with mechanical scrapper

Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? (A) Dust catcher (gravity type) (B) Cyclone separator (C) Bag filter (D) Hollow wet scrubber

Description : Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? (A) Dust catcher (gravity type) (B) Cyclone separator (C) Bag filter (D) Hollow wet scrubber

Last Answer : (A) Dust catcher (gravity type)

Pick out the wrong statement. (A) A slight haze at the top of chimney indicates good combustion in the furnace (B) A bag filter incurs very small pressure drop and is very efficient for removal of submicronic dust particles from flue gases at very high temperature (C) Electrostatic precipitator is the most efficient dust collection equipment for removal of submicronic dust particles present in flue gas (D) None of these

Description : Pick out the wrong statement. (A) A slight haze at the top of chimney indicates good combustion in the furnace (B) A bag filter incurs very small pressure drop and is very efficient for ... dust collection equipment for removal of submicronic dust particles present in flue gas (D) None of these

Last Answer : (B) A bag filter incurs very small pressure drop and is very efficient for removal of submicronic dust particles from flue gases at very high temperature

Diatomaceous earth is a/an (A) Explosive (B) Filter aid (C) Filter medium (D) Catalyst

Description : Diatomaceous earth is a/an (A) Explosive (B) Filter aid (C) Filter medium (D) Catalyst

Last Answer : (B) Filter aid

A compressible cake has the (A) Maximum porosity at the upstream side (B) Maximum porosity at the filter medium (C) Same porosity throughout the cake thickness (D) None of these

Description : A compressible cake has the (A) Maximum porosity at the upstream side (B) Maximum porosity at the filter medium (C) Same porosity throughout the cake thickness (D) None of these

Last Answer : (A) Maximum porosity at the upstream side

The porosity of a compressible cake is(A) Minimum at the filter medium(B) Minimum at the upstream face(C) Maximum at the filter medium(D) Same throughout the thickness of cake

Description : The porosity of a compressible cake is (A) Minimum at the filter medium (B) Minimum at the upstream face (C) Maximum at the filter medium (D) Same throughout the thickness of cake

Last Answer : (A) Minimum at the filter medium

Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an (A) Air filter (B) Bag filter (C) Venturi scrubber (D) Hydrocyclones

Description : Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an (A) Air filter (B) Bag filter (C) Venturi scrubber (D) Hydrocyclones

Last Answer : (A) Air filter

. In filtration, the use of 'filter aid' helps in (A) Reducing the filtration pressure (B) Accelerating the rate of filtration (C) Deplugging the filter medium (D) Enhancing the cake porosity in case of a dense impermeable cake

Description : . In filtration, the use of 'filter aid' helps in (A) Reducing the filtration pressure (B) Accelerating the rate of filtration (C) Deplugging the filter medium (D) Enhancing the cake porosity in case of a dense impermeable cake

Last Answer : (C) Deplugging the filter medium

Grease coatings on electrical contact surfaces increase contact resistance and should be removed with a/an _______________. A. small wire brush B. compressed air jet C. clean dry cloth D. 10% solution carbon solvent and water

Description : Grease coatings on electrical contact surfaces increase contact resistance and should be removed with a/an _______________. A. small wire brush B. compressed air jet C. clean dry cloth D. 10% solution carbon solvent and water

Last Answer : Answer: C

What is the smallest particle size that normal vacuum filter will trap?

Description : What is the smallest particle size that normal vacuum filter will trap?

Last Answer : Normal filters will trap dust but may miss microparticles like peices of pollen

Some large A.C. motors are equipped with with heaters. These could be ___________. I. resistance heaters bolted directly to the frame II. low voltage windings embedded in the motor windings A. I only B. II only C. either I or II D. neither I or II

Description : Some large A.C. motors are equipped with with heaters. These could be ___________. I. resistance heaters bolted directly to the frame II. low voltage windings embedded in the motor windings A. I only B. II only C. either I or II D. neither I or II

Last Answer : Answer: C

By which of the following methods the temperature rise of windings and other parts may be determined ? (a) Thermometer method (6) Resistance method (c) Embedded temperature detector method (d) Any of the above

Description : By which of the following methods the temperature rise of windings and other parts may be determined ? (a) Thermometer method (6) Resistance method (c) Embedded temperature detector method (d) Any of the above

Last Answer : (d) Any of the above

If you have had a deviated septum surgically corrected, what was the outcome?

Description : If you have had a deviated septum surgically corrected, what was the outcome?

Last Answer : I had it done with endoscopic sinus surgery. My ENT did it. But I did it for breathing issues.

What worked for your deviated septum?

Description : What worked for your deviated septum?

Last Answer : answer:I wear Breathe Right strips every night. Helps me breathe throughout the night. A friend of mine had it done. Enjoyed the results.

Other things that are natural for a Deviated Septum is there such?

Description : Other things that are natural for a Deviated Septum is there such?

Last Answer : Maybe ask for a second opinion. Is it an ENT that recommended the surgery?