Description : Dry chlorine can be handled in a vessel made of (A) Iron or steel (B) PVC (C) Nickel (D) Brass
Last Answer : (A) Iron or steel
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
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
Description : Out of the following, copper vessels are the most suitable for the storage of (A) Bromine (B) Dry chlorine & dry fluorine (C) Nitric acid (95% and fuming) (D) Phosphoric acid (95%) & sulphuric acid (95% and fuming)
Last Answer : (B) Dry chlorine & dry fluorine
Description : Brine solution is stored/treated in __________ lined vessels/pipes. (A) Rubber (B) Lead (C) Glass (D) Nickel
Last Answer : (D) Nickel
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
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
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
Description : Thermoplastic materials (A) Do not soften on application of heat (B) Are heavily branched molecules (C) Are solvent insoluble (D) None of these
Last Answer : (D) None of these
Description : All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic (A) Filaments (B) Pipes (C) Buckets (D) Tubings
Last Answer : (C) Buckets
Description : Hydrocyanic acid is not shipped in (A) Cast iron vessels (B) Steel cylinders (C) Aluminium containers (D) Monel drums
Last Answer : (A) Cast iron vessels
Description : ________ is an alloy made from iron , chromium and nickel . a) stainless steel b)steel c)brass d)bronze
Last Answer : a) stainless steel
Description : Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel
Last Answer : ANSWER: Z -- CHROMIUM AND NICKEL
Description : Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. (A) Beryllium (B) Manganese (C) Copper (D) Iron
Last Answer : (B) Manganese
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
Description : For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is (A) Stainless steel (B) Cast iron (C) Aluminium (D) Nickel
Last Answer : (B) Cast iron
Description : Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%? (A) Cast iron (B) Steel (C) Nickel (D) Karbate
Last Answer : (C) Nickel
Description : Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and (A) Manganese (B) Silicon (C) Nickel (D) Chromium
Last Answer : (A) Manganese
Description : The most suitable material for die casting is (A) Iron (B) Copper (C) Steel (D) Nickel
Last Answer : (B) Copper
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
Description : Whic of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc.? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon
Last Answer : (2) Nickel and cadmium Explanation: A rechargeable battery, storage battery, or accumulator is a type of electrical battery. It comprises one or more electrochemical cells, and is a ... sizes, ranging from button cells to megawatt systems connected to stabilize an electrical distribution network.
Description : Most conducting materials such as copper, aluminum, iron, nickel, and tungsten _____________. A. increase in resistance with increased temperature B. increase in resistance with decreased ... C. decrease in resistance with increased temperature D. increase in conductance with increased temperature
Last Answer : Answer: A
Description : Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide
Last Answer : ANSWER: W -- LIMESTONE AND CARBON
Description : Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon
Last Answer : Nickel and cadmium
Description : Pick out the wrong statement. (A) A ferromagnetic material becomes paramagnetic above the 'Curie temperature' (B) Permanent magnets are made of hard materials, whereas electromagnets require soft ... hysterisis loss and coercive forces (D) Tungsten steel and alnico are not hard magnetic materials
Last Answer : Option D
Description : Polymethyl methacrylate (PMMA) which is also known as Perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. (A) Thermoplastic (B) Thermosetting (C) Linear (D) Glass like transparent
Last Answer : (B) Thermosetting
Description : Poly Vinyl chloride (PVC) is a __________ material. (A) Thermoplastic (B) Thermosetting (C) Fibrous (D) Chemically active
Last Answer : (A) Thermoplastic
Description : __________ polymer is used for making unbreakable crockery. (A) Thermoplastic (B) Melamine (C) Addition (D) None of these
Last Answer : (B) Melamine
Description : Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness
Last Answer : (C) Elastometric
Description : __________ moulding process cannot be used for thermoplastic plastics. (A) Compression (B) Extrusion (C) Injection (D) None of these
Last Answer : (C) Injection
Description : Poly Vinyl Chloride (P.V.C.) is a __________ material. (A) Thermosetting (B) Thermoplastic (C) Fibrous (D) Chemically active
Last Answer : (B) Thermoplastic
Description : __________ is added in stainless steel to prevent inter crystal corrosion. (A) Vanadium (B) Niobium (C) Chromium (D) Nickel
Last Answer : (B) Niobium
Description : __________ steel is widely used for the manufacture of motor car crankshafts. (A) Silicon (B) Nickel (C) Chrome (D) High speed
Last Answer : (C) Chrome
Description : A steel alloy containing 36% nickel is called __________, which has a zero co-efficient of expansion. (A) Austenitic stainless steel (B) Heat resisting steel (C) Invar (D) High speed steel
Last Answer : (C) Invar
Description : Addition of __________ in steel can help in increasing the depth of hardness. (A) Nickel (B) Chromium (C) Vanadium (D) Tungsten
Last Answer : (D) Tungsten
Description : Fermenter used in the production of penicillin by deep fermentation process is a __________ lined steel vessel (A) Rubber (B) Monel (C) Glass (D) Nickel
Last Answer : (C) Glass
Description : Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. (A) Chromium (B) Nickel (C) Tungsten (D) Cobalt
Last Answer : (D) Cobalt
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
Description : Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel. (A) Wrought (B) Tool (C) Alloy (D) Plain carbon
Last Answer : (D) Plain carbon
Description : Addition of __________ to steel does not impart hardness. (A) Nickel (B) Copper (C) Chromium (D) Silicon
Last Answer : : Option B
Last Answer : Option B
Description : Nickel and __________ are the alloying element added in steel to increase its toughness. (A) Molybdenum (B) Chromium (C) Vanadium (D) Silicon
Description : Which of the following battery is used for aircraft? A. Lead acid battery B. Nickel-iron battery C. Dry cell battery D. Silver oxide battery
Last Answer : B. Nickel-iron battery
Description : Which of the following elements is not present in stainless steel? (1) Iron (2) Tungsten (3) Chromium (4) Nickel
Last Answer : (2) Tungsten Explanation: Stainless steel is defined as a steel alloy of iron with a minimum of 10.5% to 11% chromium content by mass. There are different types of stainless steels: ... stabilized. This crystal structure makes such steels virtually non-magnetic and less brittle at low temperatures.
Description : Magnetic keepers are pieces of – (1) Nickel (2) Cobalt (3) Steel (4) Soft iron
Last Answer : (4) Soft iron Explanation: Magnetic keepers arc pieces of soft iron that are placed across the poles of a bar magnet or a horseshoe magnet. They help prevent the loss of magnetism.
Description : Electromagnet is constructed with which of the following? (1) Steel (2) Soft Iron (3) Aluminium (4) Nickel
Last Answer : (2) Soft Iron Explanation: An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. The magnetic field disappears when the current is turned off. It is made of soft iron since it has the property of losing its magnetism very quickly.
Description : Steel is composed of a number of elements. The two essential elements are iron and w) aluminum x) carbon y) nickel z) silicon
Last Answer : ANSWER: X -- CARBON
Description : Which of the following elements is not present in stainless steel? (1) Iron (2) Tungsten (3) Chromium(4) Nickel
Last Answer : Tungsten
Description : Electromagnet is constructed with which of the following ? (1) Steel (2) Soft Iron (3) Aluminium (4) Nickel
Last Answer : Soft Iron