Leaching of uranium ore and gold ore is done in (A) Centrifugal extractor (B) Pachuca tanks

Leaching of uranium ore and gold ore is done in

(A) Centrifugal extractor

(B) Pachuca tanks

by

1 Answer

Answer :

(B) Pachuca tanks
by

Related questions

Pick out the wrong statement pertaining to leaching. (A) Fine solids cannot be leached in a Pachuca tank (B) Door classifier can be used for leaching of coarse solids (C) Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor (D) Very high temperature is not needed for the leaching of sugar beet

Description : Pick out the wrong statement pertaining to leaching. (A) Fine solids cannot be leached in a Pachuca tank (B) Door classifier can be used for leaching of coarse solids (C) Vegetable seeds can be ... , Rotocel or Kennedy extractor (D) Very high temperature is not needed for the leaching of sugar beet

Last Answer : (A) Fine solids cannot be leached in a Pachuca tank

An example of elution is (A) Separation of uranium oxide from its ore by H2SO4 in a Pachuca tank (B) Separation of sugar from sugar beet by hot water (C) Dissolution of tannin out of tree barks by water (D) Recovery of vegetable oils from seeds

Description : An example of elution is (A) Separation of uranium oxide from its ore by H2SO4 in a Pachuca tank (B) Separation of sugar from sugar beet by hot water (C) Dissolution of tannin out of tree barks by water (D) Recovery of vegetable oils from seeds

Last Answer : (A) Separation of uranium oxide from its ore by H2SO4 in a Pachuca tank

Bollman extractor (A) Is a static bed leaching equipment (B) Is used for extraction of oil from oilseed (C) Is a centrifugal extractor (D) Employs only counter-current extraction

Description : Bollman extractor (A) Is a static bed leaching equipment (B) Is used for extraction of oil from oilseed (C) Is a centrifugal extractor (D) Employs only counter-current extraction

Last Answer : (B) Is used for extraction of oil from oilseed

Uranium is recovered from its ore (pitchblende) by (A) Froth floatation technique (B) Leaching with sulphuric acid (C) Smelting in a furnace (D) Dissolving in water

Description : Uranium is recovered from its ore (pitchblende) by (A) Froth floatation technique (B) Leaching with sulphuric acid (C) Smelting in a furnace (D) Dissolving in water

Last Answer : (B) Leaching with sulphuric acid

Which of the following is the most suitable for extraction in a system having very low density difference? (A) Mixer-settler extractor (B) Centrifugal extractor (C) Pulsed extractor (D) Packed extraction tower

Description : Which of the following is the most suitable for extraction in a system having very low density difference? (A) Mixer-settler extractor (B) Centrifugal extractor (C) Pulsed extractor (D) Packed extraction tower

Last Answer : (B) Centrifugal extractor

Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of NaCN in presence of air. Statement-2:This is an

Description : Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of NaCN in presence of air. Statement-2:This is an

Last Answer : Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of ... -1 is false but Statement -2 is true

Jadugoda mines are famous for – (1) iron ore (2) mica deposits (3) gold deposits (4) uranium deposits

Description : Jadugoda mines are famous for – (1) iron ore (2) mica deposits (3) gold deposits (4) uranium deposits

Last Answer : (4) uranium deposits Explanation: The Jaduguda Mine is a uranium mine in Jaduguda village in the Purbi Singhbhum district of the Indian state of Jharkhand. It commenced operation in 1967 and ... 1951. As of March 2012 India only possesses two functional uranium mines, including the Jaduguda Mine.

Extraction of uranium from its ore is done using __________ methods. (A) Electrometallurgical (B) Pyrometallurgical (C) Chemical (D) Physical beneficiation

Description : Extraction of uranium from its ore is done using __________ methods. (A) Electrometallurgical (B) Pyrometallurgical (C) Chemical (D) Physical beneficiation

Last Answer : (C) Chemical

Extraction of uranium from its ore is done by __________ method. (A) Chemical (B) Pyrometallurgical (C) Physical beneficiation (D) Electrometallurgical

Description : Extraction of uranium from its ore is done by __________ method. (A) Chemical (B) Pyrometallurgical (C) Physical beneficiation (D) Electrometallurgical

Last Answer : (A) Chemical

Desulphurisation of petrol is done in a(A) Bollman extractor (B) Rotating disc extractor (C) Packed extraction column (D) Plate type extraction column

Description : Desulphurisation of petrol is done in a(A) Bollman extractor (B) Rotating disc extractor (C) Packed extraction column (D) Plate type extraction column

Last Answer : (B) Rotating disc extractor

Why does the United States military use depleted uranium in tanks?

Description : Why does the United States military use depleted uranium in tanks?

Last Answer : It’s the extremely high density which helps penetrate the armor of its target.

Which of the following operations does not involve leaching? (A) Dissolving gold from ores (B) Dissolving pharmaceutical products from bark or roots (C) Dissolving sugar from the cells of the beet (D) Removing nicotine from its water solution by kerosene

Description : Which of the following operations does not involve leaching? (A) Dissolving gold from ores (B) Dissolving pharmaceutical products from bark or roots (C) Dissolving sugar from the cells of the beet (D) Removing nicotine from its water solution by kerosene

Last Answer : (D) Removing nicotine from its water solution by kerosene

Gold ore concentration is mostly done using (A) Jigging (B) Tabling (C) Froth floatation (D) Elutriation

Description : Gold ore concentration is mostly done using (A) Jigging (B) Tabling (C) Froth floatation (D) Elutriation

Last Answer : (B) Tabling

Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand, India) is (A) 0.1 (B) 1 (C) 2 (D) 12

Description : Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand, India) is (A) 0.1 (B) 1 (C) 2 (D) 12

Last Answer : (A) 0.1

Fast breeder test reactor at Kalpakkam (INDIA) is designed for using (A) Thorium as a fertile material (B) U-238 as a fertile material (C) Helium as a coolant (D) Uranium ore directly as a fuel

Description : Fast breeder test reactor at Kalpakkam (INDIA) is designed for using (A) Thorium as a fertile material (B) U-238 as a fertile material (C) Helium as a coolant (D) Uranium ore directly as a fuel

Last Answer : (A) Thorium as a fertile material

Uranium ore is currently mined & concentrated (in India) at (A) Jadugoda (B) Ghatshila (C) Khetri (D) Alwaye

Description : Uranium ore is currently mined & concentrated (in India) at (A) Jadugoda (B) Ghatshila (C) Khetri (D) Alwaye

Last Answer : (A) Jadugoda

The main ore of uranium is (A) Pitchblende (B) Monazite sand (C) Cassiterite (D) Chalcopyrite

Description : The main ore of uranium is (A) Pitchblende (B) Monazite sand (C) Cassiterite (D) Chalcopyrite

Last Answer : (A) Pitchblende

Which of the following is not an ore of uranium? (A) Pitchblende (B) Kyanite (C) Carnotite (D) Rescolite

Description : Which of the following is not an ore of uranium? (A) Pitchblende (B) Kyanite (C) Carnotite (D) Rescolite

Last Answer : (B) Kyanite

Nuclear fuel complex, Hyderabad is engaged in the job of (A) Manufacture of nuclear fuel elements/assemblies (B) Processing of uranium ore (C) Treatment of spent fuel (D) None of these

Description : Nuclear fuel complex, Hyderabad is engaged in the job of (A) Manufacture of nuclear fuel elements/assemblies (B) Processing of uranium ore (C) Treatment of spent fuel (D) None of these

Last Answer : (A) Manufacture of nuclear fuel elements/assemblies

Uranium ore is mined & concentrated in India at (A) Jadugoda (Jharkhand) (B) Kota (Rajasthan) (C) Tuticorin (Tamilnadu) (D) Talcher (Orissa)

Description : Uranium ore is mined & concentrated in India at (A) Jadugoda (Jharkhand) (B) Kota (Rajasthan) (C) Tuticorin (Tamilnadu) (D) Talcher (Orissa)

Last Answer : (A) Jadugoda (Jharkhand)

Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at (A) Alwaye (in Kerala) (B) Jadugoda (in Jharkhand) (C) Kalpakkam (in Tamilnadu) (D) Gopalpur coast (in Orissa)

Description : Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at (A) Alwaye (in Kerala) (B) Jadugoda (in Jharkhand) (C) Kalpakkam (in Tamilnadu) (D) Gopalpur coast (in Orissa)

Last Answer : (B) Jadugoda (in Jharkhand)

Removal of __________ exemplifies an adsorption unit operation. (A) Uranium from its ore (B) Water from petrol (C) Ammonia from coke oven gas (D) Mustard oil from mustard seed

Description : Removal of __________ exemplifies an adsorption unit operation. (A) Uranium from its ore (B) Water from petrol (C) Ammonia from coke oven gas (D) Mustard oil from mustard seed

Last Answer : (B) Water from petro

'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. (A) Coal (B) Uranium ore (C) Iron ore (D) Lime

Description : 'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. (A) Coal (B) Uranium ore (C) Iron ore (D) Lime

Last Answer : (A) Coal

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about (A) 0.1 to 0.5 (B) 1 to 5 (C) 5 to 10 (D) 15 to 25

Description : Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about (A) 0.1 to 0.5 (B) 1 to 5 (C) 5 to 10 (D) 15 to 25

Last Answer : (A) 0.1 to 0.5

Extraction of gold and silver involves leaching the metal with `CN^(-)` ion. The metal is recovered by _______

Description : Extraction of gold and silver involves leaching the metal with `CN^(-)` ion. The metal is recovered by _______

Last Answer : Extraction of gold and silver involves leaching the metal with `CN^(-)` ion. The metal ... by roasting D. thermal decomposition of metal complex

The Vindhyan system of rocks is important for the production of [CDS 2011] (a) precious stones and building materials (b) iron ore and manganese (c) bauxite and mica (d) copper and uranium

Description : The Vindhyan system of rocks is important for the production of [CDS 2011] (a) precious stones and building materials (b) iron ore and manganese (c) bauxite and mica (d) copper and uranium

Last Answer : Ans: (a)

Tummalapalli in Andhra Pradesh has recently come on the world map for its largest (1) Uranium deposits (2) Tungsten deposits (3) Coal deposits (4) Bauxite ore deposits

Description : Tummalapalli in Andhra Pradesh has recently come on the world map for its largest (1) Uranium deposits (2) Tungsten deposits (3) Coal deposits (4) Bauxite ore deposits

Last Answer : (1) Uranium deposits Explanation: Tummalapalle Mine is a uranium mine in Tumalapalli village located in Kadapa of the Indian state of Andhra Pradesh. It has one of the largest reserves of uranium in the world.

India and __________ signed a long-term contract supply of uranium ore concentrates to widen its source base for the nuclear fuel: (a) Canada (b) USA (c) Uzbekistan (d) None of These

Description : India and __________ signed a long-term contract supply of uranium ore concentrates to widen its source base for the nuclear fuel: (a) Canada (b) USA (c) Uzbekistan (d) None of These

Last Answer : Uzbekistan

Leaching of sugar from sugar beets is done by (A) Hot water (B) Hexane (C) Dilute H2SO4 (D) Lime water

Description : Leaching of sugar from sugar beets is done by (A) Hot water (B) Hexane (C) Dilute H2SO4 (D) Lime water

Last Answer : (A) Hot water

Leaching of coffee from coffee beans is done by (A) Hot water (B) Hexane (C) Lime water (D) Dilute H2SO4 (hot)

Description : Leaching of coffee from coffee beans is done by (A) Hot water (B) Hexane (C) Lime water (D) Dilute H2SO4 (hot)

Last Answer : (A) Hot water

Extraction of coffee from its seed is done by (A) Liquid-liquid extraction (B) Leaching (C) Extractive distillation (D) Steam distillation

Description : Extraction of coffee from its seed is done by (A) Liquid-liquid extraction (B) Leaching (C) Extractive distillation (D) Steam distillation

Last Answer : (B) Leaching

Separation of the isotopes of helium for scientific investigations is done by (A) Reverse osmosis (B) Thermal diffusion (C) Leaching (D) Solvent extraction

Description : Separation of the isotopes of helium for scientific investigations is done by (A) Reverse osmosis (B) Thermal diffusion (C) Leaching (D) Solvent extraction

Last Answer : (B) Thermal diffusion

Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene. (A) Smoke point (B) Paraffins (C) Aromatics (D) Naphthenes

Description : Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene. (A) Smoke point (B) Paraffins (C) Aromatics (D) Naphthenes

Last Answer : (B) Paraffins

In a counter-current extractor, as the axial mixing increases, the extraction efficiency (A) Increases (B) Decreases (C) Remains unchanged (D) Depends on the pressure of the system

Description : In a counter-current extractor, as the axial mixing increases, the extraction efficiency (A) Increases (B) Decreases (C) Remains unchanged (D) Depends on the pressure of the system

Last Answer : (B) Decreases

Radioactive nuclear waste is treated in (A) Mixer-settler extractor (B) Rotating-disc contactor (C) Pulsed column extractor (D) Bollman extractor

Description : Radioactive nuclear waste is treated in (A) Mixer-settler extractor (B) Rotating-disc contactor (C) Pulsed column extractor (D) Bollman extractor

Last Answer : (C) Pulsed column extractor

In a counter-current liquid extractor (A) Both liquids flow at fixed rate (B) Both liquids can have any desired flow rate (C) Only one of the liquids may be pumped at any desired rate (D) Liquid’s flow rate depends upon the temperature and pressure

Description : In a counter-current liquid extractor (A) Both liquids flow at fixed rate (B) Both liquids can have any desired flow rate (C) Only one of the liquids may be pumped at any desired rate (D) Liquid’s flow rate depends upon the temperature and pressure

Last Answer : (C) Only one of the liquids may be pumped at any desired rate

__________ extractor is used for the concentration of radioactive nuclear waste. (A) Pulsed column (B) Sieve plate (C) Mixer-settler (D) Bollman

Description : __________ extractor is used for the concentration of radioactive nuclear waste. (A) Pulsed column (B) Sieve plate (C) Mixer-settler (D) Bollman

Last Answer : (A) Pulsed column

Ultra purification of a metal is done by (1) slugging (2) zone melting (3) smelting (4) leaching

Description : Ultra purification of a metal is done by (1) slugging (2) zone melting (3) smelting (4) leaching

Last Answer : (2) zone melting Explanation: When metals are required in a ultra pure state, the zone refining method is used. The principleemployed states that the impurities, which lower the melting point of ... remain preferentially dissolved in the liquid phase and purer metal will emerge in the solid phase.

Puddling is done to achieve : a. Soft soil bed b. Non leaching of water c. Size reduction of clods d. Conservation of moisture

Description : Puddling is done to achieve : a. Soft soil bed b. Non leaching of water c. Size reduction of clods d. Conservation of moisture

Last Answer : b. Non leaching of water

Ultra purification of a metal is done by : (1) slugging (2) zone melting (3) smelting (4) leaching

Description : Ultra purification of a metal is done by : (1) slugging (2) zone melting (3) smelting (4) leaching

Last Answer : zone melting

Do I need a welding fume extractor?

Description : Do I need a welding fume extractor?

Last Answer : It is a good idea to purchase and utlize a welding fume extractor. There are different types of welding fume extractors and brands available for purchase.

Where can I go to get a cheap welding fume extractor?

Description : Where can I go to get a cheap welding fume extractor?

Last Answer : Well, welding fume extractors aren't that cheap in general, but you're best hope is finding a used fume extractor, or to buy a new one online. A product search will show you the best fume extractors, although I would look for one under $1200.

Removing Broken Screws With an Extractor?

Description : Removing Broken Screws With an Extractor?

Last Answer : Broken screws are incredibly frustrating to remove, especially when it's just the screw head that's broken off. Fortunately, screw extractors make this process as clean and simple as possible. A screw ... turn it counter-clockwise. The broken screw should, with a little effort, begin to slide out.

Where can I buy a screw extractor?

Description : Where can I buy a screw extractor?

Last Answer : There are tons of places that you can buy the screw extractor from. Retail stores like Sears and Ace Hardware definitely has them. Amazon.com also have them available online.

How do you use a screw extractor?

Description : How do you use a screw extractor?

Last Answer : For a basic outline on how to use a screw extractor, you just basically punch the screw before drilling and make a small hole in the center of the screw. Insert the extract and rotate counter- ... the screw is free. For more detailed information, visit http://www.wikihow.com/Use-a-Screw-Extractor

When should I use a screw extractor?

Description : When should I use a screw extractor?

Last Answer : Absolutely you can use a screw extractor to help you remove a screw that has broken off below the surface and you have no alternative to remove them. Here is a website that walks you through the process. http://www.wikihow.com/Use-a-Screw-Extractor

Classify different methods used for extraction. Draw a labelled diagram of soxhelt extractor

Description : Classify different methods used for extraction. Draw a labelled diagram of soxhelt extractor

Last Answer : Methods Of Extraction:   a) Infusion b) Decoction c) Maceration d) Percolation e) Digestion Diagram of Soxhlet apparatus: 

Match the following: Minerals States A. Uranium 1. Rajasthan B. Copper 2. Bihar C. Zinc 3. Karnataka D. Lignite 4. Tamil Nadu E. Gold 5. Odisha A B C D E (a) 1 2 2 4 5 (b) 2 1 1 4 3 (c) 4 5 2 1 3 (d) 5 1 3 1 2

Description : Match the following: Minerals States A. Uranium 1. Rajasthan B. Copper 2. Bihar C. Zinc 3. Karnataka D. Lignite 4. Tamil Nadu E. Gold 5. Odisha A B C D E (a) 1 2 2 4 5 (b) 2 1 1 4 3 (c) 4 5 2 1 3 (d) 5 1 3 1 2

Last Answer : Ans: (b)

Enrichment of uranium is done to increase the concentration of__________ in the natural uranium.(A) U-238(B) U-233(C) U-235(D) Pu-239

Description : Enrichment of uranium is done to increase the concentration of__________ in the natural uranium. (A) U-238 (B) U-233 (C) U-235 (D) Pu-239

Last Answer : (C) U-235