Copper is dissolved from its ore by H2SO4 in a percolation tank made of (A) Wood (B) Stainless steel (C) Reinforced concrete lined with lead (D) High silicon iron (14% Si)

Copper is dissolved from its ore by H2SO4
in a percolation tank made
of
(A) Wood
(B) Stainless steel
(C) Reinforced concrete lined with lead
(D) High silicon iron (14% Si)
by

1 Answer

Answer :

(C) Reinforced concrete lined with lead
by

Related questions

H2SO4 (< 50% concentration) is corrosive to (A) Aluminium, mild steel, stainless steel, concrete & tin (B) Copper, cast iron & high silicon iron (14% Si) (C) Rubber (butyl and hard), silicone rubber & Teflon (D) Glass, graphite, porcelain & stoneware

Description : H2SO4 (< 50% concentration) is corrosive to (A) Aluminium, mild steel, stainless steel, concrete & tin (B) Copper, cast iron & high silicon iron (14% Si) (C) Rubber (butyl and hard), silicone rubber & Teflon (D) Glass, graphite, porcelain & stoneware

Last Answer : (A) Aluminium, mild steel, stainless steel, concrete & tin

The 'bomb' in the bomb calorimeter is made of (A) Molybdenum stainless steel(B) Mild steel(C) High silicon iron (14% Si)(D) Copper

Description : The 'bomb' in the bomb calorimeter is made of (A) Molybdenum stainless steel (B) Mild steel (C) High silicon iron (14% Si) (D) Copper

Last Answer : (A) Molybdenum stainless steel

Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of (A) Aluminium (B) Stainless steel (C) High silicon (14%) iron (D) Copper

Description : Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of (A) Aluminium (B) Stainless steel (C) High silicon (14%) iron (D) Copper

Last Answer : (B) Stainless steel

Rotary driers are generally made of (A) Cast iron (B) Mild steel (C) High silicon iron (14% Si) (D) Tin lined with refractory bricks

Description : Rotary driers are generally made of (A) Cast iron (B) Mild steel (C) High silicon iron (14% Si) (D) Tin lined with refractory bricks

Last Answer : (B) Mild steel

Carbon tetrachloride can be stored in a storage vessel made of (A) High silicon iron (14% Si) (B) Tin (C) Stainless steel (D) All (A), (B) and (C)

Description : Carbon tetrachloride can be stored in a storage vessel made of (A) High silicon iron (14% Si) (B) Tin (C) Stainless steel (D) All (A), (B) and (C)

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

100% H2SO4 at 30°C can't be stored in a vessel made/lined with (A) Cast iron and high silicon iron (B) Mild steel and stainless steel (C) Aluminium, tin and rubber (D) Teflon, glass and porcelain

Description : 100% H2SO4 at 30°C can't be stored in a vessel made/lined with (A) Cast iron and high silicon iron (B) Mild steel and stainless steel (C) Aluminium, tin and rubber (D) Teflon, glass and porcelain

Last Answer : (C) Aluminium, tin and rubber

Most suitable material for high pressure vessel operating at 500 atm. and 500° C is (A) Molybdenum stainless steel(B) 18/8 stainless steel(C) Mild steel(D) High silicon iron (14% Si)

Description : Most suitable material for high pressure vessel operating at 500 atm. and 500° C is (A) Molybdenum stainless steel (B) 18/8 stainless steel (C) Mild steel (D) High silicon iron (14% Si)

Last Answer : (A) Molybdenum stainless steel

Sulphur melting pit in the sulphuric acid plant is made of (A) Lead lined stainless steel (B) Cast iron (C) Steel or cement-brick lined (D) Hard wood

Description : Sulphur melting pit in the sulphuric acid plant is made of (A) Lead lined stainless steel (B) Cast iron (C) Steel or cement-brick lined (D) Hard wood

Last Answer : (C) Steel or cement-brick lined

Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of (A) Stainless steel or glass lined steel (B) Nickel clad steel (C) High silicon cast iron (D) Aluminium

Description : Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of (A) Stainless steel or glass lined steel (B) Nickel clad steel (C) High silicon cast iron (D) Aluminium

Last Answer : (A) Stainless steel or glass lined steel

SO3 is absorbed using H2SO4 in a (A) Cast iron packed tower (B) Stainless steel plate tower (C) Packed steel tower lined with acid proof bricks (D) None of these

Description : SO3 is absorbed using H2SO4 in a (A) Cast iron packed tower (B) Stainless steel plate tower (C) Packed steel tower lined with acid proof bricks (D) None of these

Last Answer : (C) Packed steel tower lined with acid proof bricks

Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Description : Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Last Answer : (D) Brass, cast iron, mild steel and tin

Containers made of high silicon cast iron (14% Si) are not suitable for the storage of (A) Acetic acid (B) Benzoic & boric acids (C) Phosphoric acid (95%) & sulphuric acid (95%) (D) Hydrochloric acid (concentrated)

Description : Containers made of high silicon cast iron (14% Si) are not suitable for the storage of (A) Acetic acid (B) Benzoic & boric acids (C) Phosphoric acid (95%) & sulphuric acid (95%) (D) Hydrochloric acid (concentrated)

Last Answer : (D) Hydrochloric acid (concentrated)

Water gas generator is made of (A) Carbon steel-brick lined (B) Stainless steel-lead lined (C) Cast iron (D) High carbon steel-porcelain lined

Description : Water gas generator is made of (A) Carbon steel-brick lined (B) Stainless steel-lead lined (C) Cast iron (D) High carbon steel-porcelain lined

Last Answer : (A) Carbon steel-brick lined

The carbonating tower used in Solvay process of soda ash manufactureis made of(A) Cast iron(B) Stainless steel(C) Karbate(D) Lead lined steel

Description : The carbonating tower used in Solvay process of soda ash manufactureis made of (A) Cast iron (B) Stainless steel (C) Karbate (D) Lead lined steel

Last Answer : (A) Cast iron

In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of (A) Stainless steel (B) Cast iron (C) Lead lined steel (D) Rubber lined steel

Description : In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of (A) Stainless steel (B) Cast iron (C) Lead lined steel (D) Rubber lined steel

Last Answer : (B) Cast iron

Urea autoclave is made of (A) Cast iron (B) Refractory blocks (C) Stainless steel (D) Lead lined steel

Description : Urea autoclave is made of (A) Cast iron (B) Refractory blocks (C) Stainless steel (D) Lead lined steel

Last Answer : (C) Stainless steel

Spray dryer for evaporating milk to produce milk powder is made of (A) Lead lined steel (B) Stainless steel (C) Aluminium (D) Cast iron

Description : Spray dryer for evaporating milk to produce milk powder is made of (A) Lead lined steel (B) Stainless steel (C) Aluminium (D) Cast iron

Last Answer : (B) Stainless steel

_________ pipe is the most suitable for carrying sanitary drainage. (A) Stainless steel (B) Reinforced cement concrete (C) Cast iron (D) Asbestos cement

Description : _________ pipe is the most suitable for carrying sanitary drainage. (A) Stainless steel (B) Reinforced cement concrete (C) Cast iron (D) Asbestos cement

Last Answer : C) Cast iron

Material of construction of pipe generally used for conveying water in India is (A) Stainless steel (B) Cast iron (C) Wrought iron (D) Lead lined steel

Description : Material of construction of pipe generally used for conveying water in India is (A) Stainless steel (B) Cast iron (C) Wrought iron (D) Lead lined steel

Last Answer : (B) Cast iron

Hydrochloric acid is stored in a __________vessel. (A) Lead lined steel (B) Rubber lined steel (C) Stainless steel (D) Cast iron

Description : Hydrochloric acid is stored in a __________vessel. (A) Lead lined steel (B) Rubber lined steel (C) Stainless steel (D) Cast iron

Last Answer : (B) Rubber lined steel

Specify the material of construction suitable for handling concentrated HNO3 at 100°C. (A) High silicon iron, Kel-F and Teflon (B) Tin and wood (C) Silicone rubber (D) Stainless steel

Description : Specify the material of construction suitable for handling concentrated HNO3 at 100°C. (A) High silicon iron, Kel-F and Teflon (B) Tin and wood (C) Silicone rubber (D) Stainless steel

Last Answer : (A) High silicon iron, Kel-F and Teflon

Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system? (A) High silicon iron, silicon rubber, Kel-F and Teflon (B) Mild steel and stainless steel (C) Cast iron, tin and aluminium (D) Copper, nickel and Monel

Description : Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system? (A) High silicon iron, silicon rubber ... Mild steel and stainless steel (C) Cast iron, tin and aluminium (D) Copper, nickel and Monel

Last Answer : (A) High silicon iron, silicon rubber, Kel-F and Teflon

Carbon percentage is the same in cast iron and (A) Wrought iron(B) Pig iron(C) Mild steel(D) High silicon (14%) iron

Description : Carbon percentage is the same in cast iron and (A) Wrought iron (B) Pig iron (C) Mild steel (D) High silicon (14%) iron

Last Answer : (B) Pig iron

The fermenter used in the production of penicillin (by deep fermentation process) is made of (A) Glass (B) Glass lined steel (C) High silicon cast iron (D) Porcelain

Description : The fermenter used in the production of penicillin (by deep fermentation process) is made of (A) Glass (B) Glass lined steel (C) High silicon cast iron (D) Porcelain

Last Answer : (B) Glass lined steel

Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of (A) Cast iron (B) Stainless steel or glass lined vessel (C) Karbate (D) Wrought iron

Description : Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of (A) Cast iron (B) Stainless steel or glass lined vessel (C) Karbate (D) Wrought iron

Last Answer : (B) Stainless steel or glass lined vessel

Evaporator used for concentrating tomato juice is made of (A) Nickel (B) Brass (C) Stainless steel-glass lined (D) Cast iron-rubber lined

Description : Evaporator used for concentrating tomato juice is made of (A) Nickel (B) Brass (C) Stainless steel-glass lined (D) Cast iron-rubber lined

Last Answer : (C) Stainless steel-glass lined

Trough of an apron conveyor is made of (A) Lead lined concrete vessel (B) Wood (C) Metal (D) Either (B) or (C)

Description : Trough of an apron conveyor is made of (A) Lead lined concrete vessel (B) Wood (C) Metal (D) Either (B) or (C)

Last Answer : (D) Either (B) or (C)

Ammonium chloride solution is stored/ treated in __________ vessels/pipes. (A) Plain carbon steel (B) Stainless steel (C) Rubber or durmet-20 lined (D) Lead

Description : Ammonium chloride solution is stored/ treated in __________ vessels/pipes. (A) Plain carbon steel (B) Stainless steel (C) Rubber or durmet-20 lined (D) Lead

Last Answer : (C) Rubber or durmet-20 lined

Hydrochloric acid is stored in a __________ steel vessel. (A) Lead lined (B) Rubber lined (C) Glass lined (D) Stainless

Description : Hydrochloric acid is stored in a __________ steel vessel. (A) Lead lined (B) Rubber lined (C) Glass lined (D) Stainless

Last Answer : (B) Rubber lined

Concentrated HCl at 30°C can be stored in a vessel made of (A) PTFE and porcelain (B) Cast iron and aluminium (C) Stainless steel and high silicon cast iron (D) None of these

Description : Concentrated HCl at 30°C can be stored in a vessel made of (A) PTFE and porcelain (B) Cast iron and aluminium (C) Stainless steel and high silicon cast iron (D) None of these

Last Answer : (A) PTFE and porcelain

State Magneto-striction. Draw Hysteresis loop for : (i) High silicon steel (ii) Copper (iii) Soft iron (iv) Wood

Description : State Magneto-striction. Draw Hysteresis loop for : (i) High silicon steel (ii) Copper (iii) Soft iron (iv) Wood

Last Answer : Magneto-striction: It is the change in dimensions of ferro magnetic material when it is magnetized for eg. Silicon steel, iron or any ferromagnetic material.  i) Hysteresis loop for High silicon steel :  ... loop for Soft iron :  iv) Hysteresis loop for Copper and Wood : 

Aqueous nitric acid is stored in (A) Steel drum (B) Stainless steel vessel (C) Cast iron vessel lined with acid-proof masonry brick (D) Cast iron vessel

Description : Aqueous nitric acid is stored in (A) Steel drum (B) Stainless steel vessel (C) Cast iron vessel lined with acid-proof masonry brick (D) Cast iron vessel

Last Answer : (B) Stainless steel vessel

Most common stainless steel type 316, which is highly resistant to corrosion contains (A) 16-13% Cr 10-14% Ni and 2-3% Mo (B) 20-22% Cr, and 8-10% Ni (C) 2-4% Cr, 22% NI and 2-4% Mo (D) None of these

Description : Most common stainless steel type 316, which is highly resistant to corrosion contains (A) 16-13% Cr 10-14% Ni and 2-3% Mo (B) 20-22% Cr, and 8-10% Ni (C) 2-4% Cr, 22% NI and 2-4% Mo (D) None of these

Last Answer : (A) 16-13% Cr 10-14% Ni and 2-3% Mo

Light weight metallic alloy used in aircraft industry is (A) Aluminium (B) High silicon (14%) iron (C) Duralumin

Description : Light weight metallic alloy used in aircraft industry is (A) Aluminium (B) High silicon (14%) iron (C) Duralumin

Last Answer : (C) Duralumin

Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of (A) Rubber lined mild steel (B) Lead lined mild steel (C) Aluminium (D) Cast iron

Description : Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of (A) Rubber lined mild steel (B) Lead lined mild steel (C) Aluminium (D) Cast iron

Last Answer : (A) Rubber lined mild steel

Phenol is not shipped in (A) Nickel lined steel tank cars (B) Galvanised or tin lined drums (C) Boxed glass carboys (D) Cast iron containers

Description : Phenol is not shipped in (A) Nickel lined steel tank cars (B) Galvanised or tin lined drums (C) Boxed glass carboys (D) Cast iron containers

Last Answer : (D) Cast iron containers

Tank furnace used for melting of glass is made of (A) Mild steel (B) Cast iron (C) Refractory blocks (D) Stainless steel

Description : Tank furnace used for melting of glass is made of (A) Mild steel (B) Cast iron (C) Refractory blocks (D) Stainless steel

Last Answer : (C) Refractory blocks

In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of (A) Concrete (B) Wood (C) Steel (D) Porcelain

Description : In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of (A) Concrete (B) Wood (C) Steel (D) Porcelain

Last Answer : (C) Steel

Heat exchanger tubes are never made of (A) Plain carbon steel (B) Stainless steel (C) Lead (D) Copper

Description : Heat exchanger tubes are never made of (A) Plain carbon steel (B) Stainless steel (C) Lead (D) Copper

Last Answer : (C) Lead

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

Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of (A) Bronze (B) Stainless steel (C) Flint or porcelain (D) Concrete

Description : Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of (A) Bronze (B) Stainless steel (C) Flint or porcelain (D) Concrete

Last Answer : (C) Flint or porcelain

Soap kettle used in the production of laundry soap is made of (A) Steel with top section nickel clad or stainless steel (B) Cast iron (C) Nickel (D) Concrete

Description : Soap kettle used in the production of laundry soap is made of (A) Steel with top section nickel clad or stainless steel (B) Cast iron (C) Nickel (D) Concrete

Last Answer : (A) Steel with top section nickel clad or stainless steel

Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? (A) Armature of small motors/generators (B) Generators and small motors (C) Induction motors (D) High frequency transformers

Description : Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical ... /generators (B) Generators and small motors (C) Induction motors (D) High frequency transformers

Last Answer : (D) High frequency transformers

Cast iron detachable joint is used in __________ pipes. (A) Steel (B) Cast iron (C) Asbestos cement (D) Reinforced cement concrete

Description : Cast iron detachable joint is used in __________ pipes. (A) Steel (B) Cast iron (C) Asbestos cement (D) Reinforced cement concrete

Last Answer : (A) Steel

The joint for soldering is supported by binding wire made of (A) Mild steel (B) Copper (C) Soft iron (D) Stainless steel

Description : The joint for soldering is supported by binding wire made of (A) Mild steel (B) Copper (C) Soft iron (D) Stainless steel

Last Answer : Option C

Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2 . Lead pipes are readily corroded by (A) Dilute HCI (B) Acetic acid (C) Concentrated H2SO4 (D) None of these

Description : Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2 . Lead pipes are readily corroded by (A) Dilute HCI (B) Acetic acid (C) Concentrated H2SO4 (D) None of these

Last Answer : (B) Acetic acid

Lead pipes are not safe for carrying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2 . Lead pipes are readily corroded by (A) Dilute HCl (B) Acetic acid (C) Concentrated H2SO4 (D) None of these

Description : Lead pipes are not safe for carrying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2 . Lead pipes are readily corroded by (A) Dilute HCl (B) Acetic acid (C) Concentrated H2SO4 (D) None of these

Last Answer : (B) Acetic acid

The fermenter used for the production of ethyl alcohol from molasses is made of (A) Wood (B) Concrete (C) Copper bearing steel (D) Porcelain

Description : The fermenter used for the production of ethyl alcohol from molasses is made of (A) Wood (B) Concrete (C) Copper bearing steel (D) Porcelain

Last Answer : (C) Copper bearing steel

Which of the following is a low melting point metal? (A) Stainless steel (B) Wrought iron (C) Tin (D) Copper

Description : Which of the following is a low melting point metal? (A) Stainless steel (B) Wrought iron (C) Tin (D) Copper

Last Answer : (C) Tin

Reactor used in the production of polyvinyl chloride (PVC) is made of (A) Nickel or glass lined steel (B) Aluminium (C) Tantalum (D) Lead

Description : Reactor used in the production of polyvinyl chloride (PVC) is made of (A) Nickel or glass lined steel (B) Aluminium (C) Tantalum (D) Lead

Last Answer : (A) Nickel or glass lined steel