Constantan used in thermocouples is an alloy of (A) Iron & copper (B) Copper & aluminium (C) Lead & tin (D) None of these

Constantan used in thermocouples is an alloy of
(A) Iron & copper
(B) Copper & aluminium
(C) Lead & tin
(D) None of these
by

1 Answer

Answer :

(D) None of these
by

Related questions

For platinum thermocouples, lead wires are made of (A) Copper & copper-nickel alloys (B) Copper & iron (C) Iron & nickel (D) Tin & nickel

Description : For platinum thermocouples, lead wires are made of (A) Copper & copper-nickel alloys (B) Copper & iron (C) Iron & nickel (D) Tin & nickel

Last Answer : (A) Copper & copper-nickel alloys

Which of the following thermocouples is incapable of measuring sub￾zero (i.e., < 0°C) temperature? (A) Chromel-alumel (B) Iron-constantan (C) Platinum-platinum + rhodium (D) Copper-constantan

Description : Which of the following thermocouples is incapable of measuring sub￾zero (i.e., < 0°C) temperature? (A) Chromel-alumel (B) Iron-constantan (C) Platinum-platinum + rhodium (D) Copper-constantan

Last Answer : (C) Platinum-platinum + rhodium

Invar used in thermocouples is an alloy of nickel and (A) Iron (B) Copper (C) Chromium (D) Lead

Description : Invar used in thermocouples is an alloy of nickel and (A) Iron (B) Copper (C) Chromium (D) Lead

Last Answer : (A) Iron

Babbitt metal used for bearings is a _________base alloy. (A) Tin (B) Lead (C) Aluminium (D) Copper

Description : Babbitt metal used for bearings is a _________base alloy. (A) Tin (B) Lead (C) Aluminium (D) Copper

Last Answer : (A) Tin

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

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).

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

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 : an alloy of tin and lead

Brass is an alloy of (A) copper and zinc. (B) copper and iron. (C) copper and Aluminium. (D) 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.

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

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

Electric fuse is an alloy of – (1) tin and lead (2) zinc and lead (3) copper and iron (4) carbon and tin

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.

Electric fuse is an alloy of (1) tin and lead (2) zinc and lead (3) copper and iron (4) carbon and tin

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

________ is not used as a material of construction in thermocouples. (A) Alumel (B) Rhodium (C) Constantan (D) Duralumin

Description : ________ is not used as a material of construction in thermocouples. (A) Alumel (B) Rhodium (C) Constantan (D) Duralumin

Last Answer : (D) Duralumin

Perspex is nothing but (A) Acrylic sheet (B) An elastomer (C) An alloy of lead and tin (D) Aluminium foil clad with Bakelite

Description : Perspex is nothing but (A) Acrylic sheet (B) An elastomer (C) An alloy of lead and tin (D) Aluminium foil clad with Bakelite

Last Answer : (A) Acrylic sheet

Which of the following is not a copper based alloy with nickel? (A) German silver (B) Monel metal (C) Inconel (D) Constantan

Description : Which of the following is not a copper based alloy with nickel? (A) German silver (B) Monel metal (C) Inconel (D) Constantan

Last Answer : (C) Inconel

An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called(A) Constantan(B) Kanthal(C) Chromel(D) German silver

Description : An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called (A) Constantan (B) Kanthal (C) Chromel (D) German silver

Last Answer : (A) Constantan

Bronze is an alloy of (A) Copper and Tin. (B) Copper and Steel. (C) Copper and Mercury. (D) Copper and Aluminium.

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.

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

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

Bronze is an alloy of – (1) Copper & tin (2) Copper & zinc (3) Copper & iron (4) Iron & nickel

Description : Bronze is an alloy of – (1) Copper & tin (2) Copper & zinc (3) Copper & iron (4) Iron & nickel

Last Answer : (1) Copper & tin Explanation: Bronze is an alloy consisting primarily of copper, commonly with about 12% tin and often with the addition of other metals (such as aluminium, manganese, nickel or zinc ... produce a range of alloys that may be harder than copper alone, or have other useful properties.

Bronze is an alloy of (1) Copper & tin (2) Copper & zinc (3) Copper & iron (4) Iron & nickel

Description : Bronze is an alloy of (1) Copper & tin (2) Copper & zinc (3) Copper & iron (4) Iron & nickel 

Last Answer :  Copper & tin

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 : White metal is an alloy of (A) Lead, tin and cadmium (B) Copper, tin and zinc (C) Copper and lead (D) None of these

Last Answer : (D) None of these

Bronze is an alloy of copper and (A) Lead (B) Tin (C) Nickel (D) Zinc

Description : Bronze is an alloy of copper and (A) Lead (B) Tin (C) Nickel (D) Zinc

Last Answer : (B) Tin

German silver is an alloy of copper, nickel and (A) Zinc (B) Silver (C) Tin (D) LeadGerman silver is an alloy of copper, nickel and(A) Zinc(B) Silver(C) Tin(D) Lead

Description : German silver is an alloy of copper, nickel and (A) Zinc (B) Silver (C) Tin (D) Lead

Last Answer : (A) Zinc

Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ? (A) Invar (B) Constantan (C) Chromel (D) Alumel

Description : Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ? (A) Invar (B) Constantan (C) Chromel (D) Alumel

Last Answer : (A) Invar

Bauxite is an alloy of which of the following metals? (1) Aluminium (2) Silver (3) Tin (4) Iron

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.

Bauxite is an alloy of which of the following metals ? (1) Aluminium (2) Silver (3) Tin (4) Iron

Description : Bauxite is an alloy of which of the following metals ? (1) Aluminium (2) Silver (3) Tin (4) Iron 

Last Answer : Aluminium

Inconel is an alloy of (A) Tin, zinc and nicke(B) Iron, nickel and chromium(C) Copper and nickel(D) Copper and tin

Description : Inconel is an alloy of (A) Tin, zinc and nicke (B) Iron, nickel and chromium (C) Copper and nickel (D) Copper and tin

Last Answer : (B) Iron, nickel and chromium

Fuse wire is made of an alloy of ______. (1) Lead and Copper (2) Tin and Copper (3) Tin and Lead (4) Copper and Silver

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.

Solder metal is an alloy of – (1) lead and tin (2) lead and antimony (3) copper and zinc (4) copper and tin

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.

Brass is an alloy of - (1) Lead and tin (2) Zine and copper (3) Antimony, tin and lead (4) Zinc, tin and copper

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".

Solder is an alloy of – (1) lead, zinc (2) copper, lead (3) tin, lead (4) sodium, lead

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.

Fuse wire is made of an alloy of – (1) Tin and Lead (2) Tin and Copper (3) Lead and Copper (4) Copper and Silver

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.

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.'

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

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

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

Brass is an alloy of (A) Copper and zinc (B) Zinc and lead (C) Tin and silver (D) Zinc and nickel

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

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

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

Solder metal is an alloy of (1) lead and tin (2) lead and antimony (3) copper and zinc (4) copper and tin

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

Solder is an alloy of (1) lead, zinc (2) copper, lead (3) tin, lead (4) sodium, lead

Description : Solder is an alloy of (1) lead, zinc (2) copper, lead (3) tin, lead (4) sodium, lead

Last Answer : tin, lead

Brass is an alloy of (1) Lead and tin (2) Zinc and copper (3) Antimony, tin and lead (4) Zinc, tin and copper

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

Fuse wire is made of an alloy of (1) Tin and Lead (2) Tin and Copper (3) Lead and Copper (4) Copper and Silver

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

The heating elements of electric irons are made of (A) Copper. (B) Nichrome. (C) Constantan. (D) Aluminium.

Description : The heating elements of electric irons are made of (A) Copper. (B) Nichrome. (C) Constantan. (D) Aluminium.

Last Answer : (B) Nichrome.

Constantan is an alloy of (A) Cu (55%) & Sn (45%) (B) Cu (55%) & Ni (45%) (C) Pt (95%) & Rh (10%) (D) Fe (80%) & Ni (20%)

Description : Constantan is an alloy of (A) Cu (55%) & Sn (45%) (B) Cu (55%) & Ni (45%) (C) Pt (95%) & Rh (10%) (D) Fe (80%) & Ni (20%)

Last Answer : (B) Cu (55%) & Ni (45%)

Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility

Description : Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility

Last Answer : (D) The ability of a material to fracture without appreciable deformation is called its ductility

Bell metal is an alloy of (A) Copper & zinc (B) Copper & tin (C) Copper & nickel

Description : Bell metal is an alloy of (A) Copper & zinc (B) Copper & tin (C) Copper & nickel

Last Answer : (B) Copper & tin

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

Bronze is an alloy of – (1) Copper and Zinc (2) Tin and Zinc (3) Copper and Tin (4) Iron and Zinc

Description : Bronze is an alloy of – (1) Copper and Zinc (2) Tin and Zinc (3) Copper and Tin (4) Iron and Zinc

Last Answer : (3) Copper and Tin Explanation: Bronze is a metal alloy consisting primarily of copper, usually with tin as the main additive. It is hard and tough, and it was particularly significant in ... the more inclusive term "copper alloy" instead. Historically the term latten was used for such alloys.

Bronze is an alloy of ------? A. Copper and Zinc B. Tin and Zinc C. Copper and Tin (Answer) D. Iron and Zinc E. None of these

Description : Bronze is an alloy of ------? A. Copper and Zinc B. Tin and Zinc C. Copper and Tin (Answer) D. Iron and Zinc E. None of these

Last Answer : C. Copper and Tin (Answer)

Bronze is an alloy of (1) Copper and Zinc (2) Tin and Zinc (3) Copper and Tin (4) Iron and Zinc

Description : Bronze is an alloy of (1) Copper and Zinc (2) Tin and Zinc (3) Copper and Tin (4) Iron and Zinc

Last Answer :  Copper and Tin

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

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.

Which of the following materials has the maximum shrinkage allowance? (A) Brass (B) Cast iron (C) Lead (D) Aluminium alloy

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

The following thermocouple may be used for measuring temperature upto 1873°K. (A) Chromel-alumel (B) Copper-constantan (C) Platinum-platinum rhodium (D) Iron-constantan

Description : The following thermocouple may be used for measuring temperature upto 1873°K. (A) Chromel-alumel (B) Copper-constantan (C) Platinum-platinum rhodium (D) Iron-constantan

Last Answer : (C) Platinum-platinum rhodium