Description : Babbitt metal used for bearings is a _________base alloy. (A) Tin (B) Lead (C) Aluminium (D) Copper
Last Answer : (A) Tin
Description : Constantan used in thermocouples is an alloy of (A) Iron & copper (B) Copper & aluminium (C) Lead & tin (D) None of these
Last Answer : (D) None of these
Description : A fuse wire is made of: (1) an alloy of tin and copper (2) an alloy of tin and lead (3) an alloy of tin and aluminium (4) an alloy of nickel and chromium
Last Answer : (2) an alloy of tin and lead Explanation: Electric fuse wire is an alloy made of tin (63 % lead 37 %. The cross sectional area determines the melting point at a certain current. Alloys (e.g. ... resulting combination of good conductivity (due to the tin) with a low melting point due to the lead).
Last Answer : an alloy of tin and lead
Description : Bakelite is a/an (A) Addition polymer (B) Elastomer (C) Thermoplastic (D) None of these
Description : Adipic acid is an intermediate in the manufacture of (A) Perspex (B) Nylon-66 (C) Polystyrene (D) Bakelite
Last Answer : (B) Nylon-66
Description : Which of the following polymers is used for making a non stick coatingon frying pans? (A) Bakelite (B) Teflon (C) Perspex (D) PVC
Last Answer : (B) Teflon
Description : Poly-methyl-methacrylate (PMMA) is known as (A) Bakelite (B) Teflon (C) Perspex (D) Nylon-6
Last Answer : (C) Perspex
Description : Which of the following is an inorganic polymer? (A) Teflon (B) Perspex (C) Silicones (D) Bakelite
Last Answer : (C) Silicones
Description : Polymethyl methacrylate (PMMA) is known as (A) Bakelite (B) Teflon (C) Perspex (D) Nylon-6
Description : Window panes of aeroplanes are normally made of (A) Perspex (PMMA) (B) Teflon (PTFE) (C) Bakelite (phenol formaldehyde) (D) Polystyrene
Last Answer : Option A
Description : Which of the following is the most widely used heat insulating material for pipelines carrying steam? (A) Tar dolomite bricks followed by asbestos (B) Fireclay refractory followed by aluminium sheet (C) Cotton followed by aluminium foil (D) 85% magnesia cement and glass wool
Last Answer : (D) 85% magnesia cement and glass wool
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 : Contact lenses for eyes are made of Perspex, which is nothing but (A) poly-methyl-methacrylate (B) Polystyrene (C) Unsaturated polyester (D) Polypropylene
Last Answer : (A) poly-methyl-methacrylate
Description : Bauxite is an alloy of which of the following metals? (1) Aluminium (2) Silver (3) Tin (4) Iron
Last Answer : (1) Aluminium Explanation: Bauxite is an aluminium ore and is the main source of aluminium. This form of rock consists mostly of the minerals gibbsite Al(OH)3, boehmite, and diaspore, in a ... the two iron oxides goethite and hematite, the clay mineral kaolinite, and small amounts of anatase TiO2.
Description : Bronze is an alloy of (A) Copper and Tin. (B) Copper and Steel. (C) Copper and Mercury. (D) Copper and Aluminium.
Last Answer : (A) Copper and Tin.
Description : Brass is an alloy of (A) copper and zinc. (B) copper and iron. (C) copper and Aluminium. (D) copper and tin.
Last Answer : (A) copper and zinc.
Description : Magnalium is an alloy of (1) Aluminium and Magnesium (2) Magnesium and Tin (3) Aluminium and Zinc (4) Manganese and Magnesium
Last Answer : Aluminium and Magnesium
Description : Bauxite is an alloy of which of the following metals ? (1) Aluminium (2) Silver (3) Tin (4) Iron
Last Answer : Aluminium
Description : Babbitt metal is not a (A) Tin base alloy (B) White metal (C) Lead base alloy (D) Pure metal
Last Answer : (D) Pure metal
Description : White metal is an alloy of (A) Lead, tin and cadmium (B) Copper, tin and zinc (C) Copper and lead (D) None of these
Description : Bronze is an alloy of copper and (A) Lead (B) Tin (C) Nickel (D) Zinc
Last Answer : (B) Tin
Description : A metallic alloy in which one of the constituent metal is __________, is called an amalgam. (A) Zinc (B) Mercury (C) Lead (D) Tin
Last Answer : (B) Mercury
Description : German silver is an alloy of copper, nickel and (A) Zinc (B) Silver (C) Tin (D) Lead
Last Answer : (A) Zinc
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 : Babbitt metal (used for making bearings) comprises of (A) Mainly tin (85%) and lead (B) Saw dust and iron dust mixture (C) Zinc and aluminium (D) Copper and aluminium
Last Answer : (A) Mainly tin (85%) and lead
Description : Electrometallurgy is not involved in the extraction of __________ from its ore. (A) Aluminium (B) Tin (C) Lead (D) Both (B) & (C)
Last Answer : (D) Both (B) & (C)
Description : Electric fuse is an alloy of – (1) tin and lead (2) zinc and lead (3) copper and iron (4) carbon and tin
Last Answer : (1) tin and lead Explanation: Electric fuse is an alloy of tin and lead.
Description : The commonly used safety fuse-wire is made of - (1) an alloy of Nickel and Lead (2) an alloy of Tin and Lead (3) an alloy of Tin and Nickel (4) an alloy of Lead and Iron
Last Answer : (2) an alloy of Tin and Lead Explanation: As a rule, fuse elements of time delay fuses contain low melting point materials, e.g. tin (Sn) or zinc (Zn) and alloys thereof.
Description : Fuse wire is made of an alloy of ______. (1) Lead and Copper (2) Tin and Copper (3) Tin and Lead (4) Copper and Silver
Last Answer : (3) Tin and Lead Explanation: The material used for making fuse element has a low melting point such as tin, lead, or zinc.
Description : Solder metal is an alloy of – (1) lead and tin (2) lead and antimony (3) copper and zinc (4) copper and tin
Last Answer : (1) lead and tin Explanation: A solder is a fusible metal alloy of tin and lead with a melting point or melting range of 90 to 450°C, used in a process called soldering where it is melted to jain metallic surfaces. It is especially useful in electronics and plumbing.
Description : Brass is an alloy of - (1) Lead and tin (2) Zine and copper (3) Antimony, tin and lead (4) Zinc, tin and copper
Last Answer : (2) Zine and copper Explanation: Brass is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. By comparison ... , including alloys with arsenic, phosphorus, aluminium, manganese, and silicon, are commonly termed "brome".
Description : Solder is an alloy of – (1) lead, zinc (2) copper, lead (3) tin, lead (4) sodium, lead
Last Answer : (3) tin, lead Explanation: Tin/lead solders, also called soft solders, are commercially available with tin concentrations between 5% and 70% by weight. The greater the tin concentration, the greater the solder ... at 370 °F or 188 °C and 63/37 Sn/Pb used principally in electrical/electronic work.
Description : Fuse wire is made of an alloy of – (1) Tin and Lead (2) Tin and Copper (3) Lead and Copper (4) Copper and Silver
Last Answer : (1) Tin and Lead Explanation: The common material used as fuse wire is an alloy of tin and lead (63% tin and 37% lead). Fuse wires provide over current protection of an electrical circuit ... wire or strip that melts when too much current flows through it, thereby interrupting the flow of current.
Description : Since fuse elements are made of zinc or any alloy of tin and lead, the melting point of the fuse element must be _____________. A. higher than that of copper B. lower than that of copper C. equal to that of copper D. reached when the conductor it is protecting becomes 'white hot.'
Last Answer : Answer: B
Description : The part of a fuse that melts and opens the circuit is made of _____________. A. copper and antimony B. steel and babbitt C. aluminum or beryllium alloy D. zinc or an alloy of tin and lead
Last Answer : Answer: D
Description : Alloy of Tin and lead can be separated by?
Last Answer : melting
Description : .Alloy of Tin and Lead are used to make?
Last Answer : safety wire
Description : Brass is an alloy of (A) Copper and zinc (B) Zinc and lead (C) Tin and silver (D) Zinc and nickel
Last Answer : Answer: Option A
Description : 60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead and tin in the ratio of 3 : 2 and alloy B has tin and copper in the ratio of I : 4 the amount of tin in the new alloy is a) 36 kg b) 44 kg c) 80 kg d) 53 kg e) 45 kg
Last Answer : b) 44 kg
Description : What is the tin-lead alloy percentage of solder used for electrical connectors, splices, and terminal lugs?
Last Answer : 60-percent tin and 40-percent lead (60/40 solder).
Description : An alloy consisting mainly of tin and lead is called: w) brass x) bronze y) pewter z) chrome
Last Answer : ANSWER: Y -- PEWTER
Description : Electric fuse is an alloy of (1) tin and lead (2) zinc and lead (3) copper and iron (4) carbon and tin
Last Answer : tin and lead
Description : Solder metal is an alloy of (1) lead and tin (2) lead and antimony (3) copper and zinc (4) copper and tin
Last Answer : lead and tin
Description : Solder is an alloy of (1) lead, zinc (2) copper, lead (3) tin, lead (4) sodium, lead
Last Answer : tin, lead
Description : Brass is an alloy of (1) Lead and tin (2) Zinc and copper (3) Antimony, tin and lead (4) Zinc, tin and copper
Last Answer : Zinc and copper
Description : Fuse wire is made of an alloy of (1) Tin and Lead (2) Tin and Copper (3) Lead and Copper (4) Copper and Silver
Last Answer : Tin and Lead
Description : Tin in its pure form is used for making (A) Cans for food packing (B) Collapsible tubes for toilet preparations (C) Foil for wrapping cheese (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Which of the following materials has the maximum shrinkage allowance? (A) Brass (B) Cast iron (C) Lead (D) Aluminium alloy
Last Answer : Option C
Description : Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of (A) Paper (B) Cloth (C) Lead (D) Aluminium