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

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
by

1 Answer

Answer :

(A) Stainless steel or glass lined steel
by

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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

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

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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

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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

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

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

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Starting material for the production of styrene butadiene rubber (SBR) is (A) Ethyl alcohol (B) Ethylene (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Starting material for the production of styrene butadiene rubber (SBR) is (A) Ethyl alcohol (B) Ethylene (C) Both (A) & (B) (D) Neither (A) nor (B)

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

Molten phthalic anhydride is stored in a/an __________ vessel. (A) Aluminium (B) Nickel clad steel (C) Lead lined steel (D) Glass lined steel

Description : Molten phthalic anhydride is stored in a/an __________ vessel. (A) Aluminium (B) Nickel clad steel (C) Lead lined steel (D) Glass lined steel

Last Answer : (A) Aluminium

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

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__________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. (A) Percent elongation (B) Resilience (C) Freezing point (D) Strength

Description : __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. (A) Percent elongation (B) Resilience (C) Freezing point (D) Strength

Last Answer : (B) Resilience

SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at (A) 1: 3 (B) 3 : 1 (C) 1 : 2 (D) 2 : 1

Description : SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at (A) 1: 3 (B) 3 : 1 (C) 1 : 2 (D) 2 : 1

Last Answer : (A) 1: 3

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

Styrene butadiene rubber (SBR) is never used for making (A) Coated fabrics (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

Description : Styrene butadiene rubber (SBR) is never used for making (A) Coated fabrics (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

Last Answer : (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

__________ is a copolymer. (A) Styrene butadiene rubber (SBR) (B) Neoprene (C) PVC (D) None of these

Description : __________ is a copolymer. (A) Styrene butadiene rubber (SBR) (B) Neoprene (C) PVC (D) None of these

Last Answer : (A) Styrene butadiene rubber (SBR

Neoprene is chemically known as (A) Polybutadiene (B) Styrene butadiene rubber (SBR) (C) Polyurethane (D) Poly chloroprene

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Last Answer : (D) Poly chloroprene

Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are (A) 5°C and 1 kgf/cm2 (B) - 20°C and 1 kgf/cm2 (C) 0°C and 1 kgf/cm2 (D) 0°C and 3 kgf/cm

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Last Answer : (A) 5°C and 1 kgf/cm

Styrene butadiene rubber (SBR) as compared to natural rubber has (A) Poor tensile strength (B) Poorer resistance (C) Greater amount of heat build up heavy loading (D) All (A), (B) and (C)

Description : Styrene butadiene rubber (SBR) as compared to natural rubber has (A) Poor tensile strength (B) Poorer resistance (C) Greater amount of heat build up heavy loading (D) All (A), (B) and (C)

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

Neoprene is the trade name of (A) Polyurethane (B) Phenol formaldehyde (C) Polychlorophrene (D) Styrene butadiene rubber (SBR)

Description : Neoprene is the trade name of (A) Polyurethane (B) Phenol formaldehyde (C) Polychlorophrene (D) Styrene butadiene rubber (SBR)

Last Answer : (C) Polychlorophrene

Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are (A) 50°C and 3 - 4 kg/cm2 (B) 50°C and 1 kgf/cm2 (C) 250°C and 10 kgf/cm2 (D) 250°C and 1 kgf/cm

Description : Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are (A) 50°C and 3 - 4 kg/cm2 (B) 50°C and 1 kgf/cm2 (C) 250°C and 10 kgf/cm2 (D) 250°C and 1 kgf/cm

Last Answer : (A) 50°C and 3 - 4 kg/cm

Styrene butadiene rubber (SBR) is (A) A natural rubber (B) Another name of silicone rubber (C) A synthetic polymer (D) A synthetic monome

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Last Answer : (C) A synthetic polymer

Styrene butadiene rubber (SBR) is (A) A natural rubber (B) A synthetic polymer (C) A synthetic monomer (D) Another name of silicone rubber

Description : Styrene butadiene rubber (SBR) is (A) A natural rubber (B) A synthetic polymer (C) A synthetic monomer (D) Another name of silicone rubber

Last Answer : (B) A synthetic polymer

Neoprene is chemically known as (A) Polybutadiene (B) Styrene butadiene rubber (SBR) (C) Polyurethane (D) Polychlorophrene

Description : Neoprene is chemically known as (A) Polybutadiene (B) Styrene butadiene rubber (SBR) (C) Polyurethane (D) Polychlorophrene

Last Answer : (D) Polychlorophrene

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

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

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

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Last Answer : (B) Stainless steel

Styrene butadiene rubber is commercially manufactured by (A) Bulk polymerisation (B) Suspension polymerisation (C) Solution polymerisation (D) Emulsion polymerisation

Description : Styrene butadiene rubber is commercially manufactured by (A) Bulk polymerisation (B) Suspension polymerisation (C) Solution polymerisation (D) Emulsion polymerisation

Last Answer : (D) Emulsion polymerisation

Nitrile rubber is produced by the polymerisation of (A) Acrylonitrile & butadiene (B) Acrylonitrile & styrene (C) Isobutylene & isoprene (D) None of these

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Last Answer : (A) Acrylonitrile & butadiene

Nitrile rubber is produced by the polymerisation of (A) Acrylonitrile and butadiene (B) Acrylonitrile and styrene (C) Isobutylene and isoprene (D) None of these

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Last Answer : (A) Acrylonitrile and butadiene

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

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Last Answer : (A) PTFE and porcelain

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

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Last Answer : (A) Rubber lined mild steel

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

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Last Answer : (B) Rubber lined steel

Fermenter used in the production of penicillin by deep fermentation process is a __________ lined steel vessel (A) Rubber (B) Monel (C) Glass (D) Nickel

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Last Answer : (C) Glass

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

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Last Answer : (B) Stainless steel

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)

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Last Answer : (C) Reinforced concrete lined with lead

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

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Last Answer : (A) Carbon steel-brick lined

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Last Answer : (B) Rubber

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Last Answer : (B) Mild steel

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

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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

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Last Answer : (C) Stainless steel

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Last Answer : (B) Rubber lined

Pick out the wrong statement(A) Cold rubber (SBR) is superior as compared to hot rubber (SBR)(B) Polymerisation temperature can modify the properties of SBR(C) Production of cold SBR employs lower pressure as compared to that ofhot SBR(D) None of these

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Last Answer : (D) None of these

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Last Answer : (B) Stainless steel vessel

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

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Last Answer : (B) Cast iron

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