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

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

1 Answer

Answer :

(D) Duralumin
by

Related questions

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

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

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

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

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

Out of the following, the alloy which has equal percentage of constituents, is (A) White metal (B) Gun metal (C) Duralumin (D) Constantan

Description : Out of the following, the alloy which has equal percentage of constituents, is (A) White metal (B) Gun metal (C) Duralumin (D) Constantan

Last Answer : Option D

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

The material used in the filament of electric bulbs is (A) Nichrome (B) Tungsten (C) Constantan (D) German silver

Description : The material used in the filament of electric bulbs is (A) Nichrome (B) Tungsten (C) Constantan (D) German silver

Last Answer : (B) Tungsten

Catalyst used in the oxidation of ammonia is (A) Platinum-beryllium (B) Platinum-rhodium (C) Cobalt-molybdenum (D) Platinum-molybdenum

Description : Catalyst used in the oxidation of ammonia is (A) Platinum-beryllium (B) Platinum-rhodium (C) Cobalt-molybdenum (D) Platinum-molybdenum

Last Answer : (B) Platinum-rhodium

Catalyst used in steam reforming of naphtha is (A) Nickel (B) Platinum (C) Silica gel (D) Rhodium

Description : Catalyst used in steam reforming of naphtha is (A) Nickel (B) Platinum (C) Silica gel (D) Rhodium

Last Answer : (A) Nickel

State Seeback effect and Peltier effect. Write material used in different thermocouples.

Description : State Seeback effect and Peltier effect. Write material used in different thermocouples.

Last Answer : Seebeck effect: is a phenomenon in which a temperature difference between two dissimilar electrical conductors or semiconductors produces a voltage difference between the two substances. If the two conductors or ... it is necessary to transfer heat from one medium to another on a small scale.

Tick off the material, which is different from the group (A) Constantan. (B) Manganin. (C) Nichrome. (D) Brass.

Description : Tick off the material, which is different from the group (A) Constantan. (B) Manganin. (C) Nichrome. (D) Brass.

Last Answer : (D) Brass.

The material with lowest resistivity is (A) constantan. (B) silver. (C) manganin. (D) nichrome.

Description : The material with lowest resistivity is (A) constantan. (B) silver. (C) manganin. (D) nichrome.

Last Answer : (B) silver.

What are three facts about rhodium?

Description : What are three facts about rhodium?

Last Answer : Melting point: 1 964 oCBoiling point: 3 695 oCHardness Mohs: 6Density: 12,41 g/cm3

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

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

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

In hot wire anemometer used for gas flow measurement, the wire is normally made of (A) Copper(B) Platinum(C) Constantan(D) Chromium

Description : In hot wire anemometer used for gas flow measurement, the wire is normally made of (A) Copper (B) Platinum (C) Constantan (D) Chromium

Last Answer : (B) Platinum

Nickel is a constituent of (A) Bronze (B) Solder (C) Duralumin (D) Monel metal

Description : Nickel is a constituent of (A) Bronze (B) Solder (C) Duralumin (D) Monel metal

Last Answer : (D) Monel metal

Which of the following is not an alloy of nickel and chromium? (A) Inconel (B) Hastelloy (C) Nimonic alloys (D) Duralumin

Description : Which of the following is not an alloy of nickel and chromium? (A) Inconel (B) Hastelloy (C) Nimonic alloys (D) Duralumin

Last Answer : (D) Duralumin

Duralumin is an alloy of (A) Aluminium, copper and manganese (B) Aluminium, nickel and silicon (C) Aluminium and nickel (D) None of these

Description : Duralumin is an alloy of (A) Aluminium, copper and manganese (B) Aluminium, nickel and silicon (C) Aluminium and nickel (D) None of these

Last Answer : (A) Aluminium, copper and manganese

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%)

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

Age hardening is concerned with (A) Copper (B) Brass (C) Duralumin (D) Silver

Description : Age hardening is concerned with (A) Copper (B) Brass (C) Duralumin (D) Silver

Last Answer : (C) Duralumin

Age hardening' of duralumin is due to (A) Copper (B) Magnesium (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Age hardening' of duralumin is due to (A) Copper (B) Magnesium (C) Both (A) & (B) (D) Neither (A) nor (B)

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

Metallic surveying tapes are made of __________ which has a low co efficient of expansion & enough strength. (A) Invar (B) Hastelloy (C) Duralumin (D) Monel metal

Description : Metallic surveying tapes are made of __________ which has a low co efficient of expansion & enough strength. (A) Invar (B) Hastelloy (C) Duralumin (D) Monel metal

Last Answer : (A) Invar

. Age hardening is connected with (A) Babbitt metal (B) Gun metal (C) Stainless steel (D) Duralumin

Description : . Age hardening is connected with (A) Babbitt metal (B) Gun metal (C) Stainless steel (D) Duralumin

Last Answer : D) Duralumin

Which of the following low melting alloy containing bismuth and lead is used for electric fuse? (A) Wood's metal (B) Babbitt metal (C) Monel metal (D) Duralumin

Description : Which of the following low melting alloy containing bismuth and lead is used for electric fuse? (A) Wood's metal (B) Babbitt metal (C) Monel metal (D) Duralumin

Last Answer : Option A

How do you connect thermocouples to an NI USB-6221 board to measure temperature?

Description : How do you connect thermocouples to an NI USB-6221 board to measure temperature?

Last Answer : answer:It depends on how designed the USB-6221 is to deal directly with thermocouples. Thermocouples output a very small voltage in response to temperature, which could be directly read by the analog input in the 6221, but ... 8 + 9) to each of your analog inputs on the 6221, and you'll be all set.

is a non-contact type measurement which when directed at a heat source directly gives the temperature read out. a) Thermocouples. c) Contact thermometers. b) Humidity. d) Infrared thermometers

Description : is a non-contact type measurement which when directed at a heat source directly gives the temperature read out. a) Thermocouples. c) Contact thermometers. b) Humidity. d) Infrared thermometers

Last Answer : Infrared thermometers

is a non-contact type measurement which when directed at a heat source directly gives the temperature read out. a) Thermocouples. b) Contact thermometers. c) Humidity. d) Infrared thermometers.

Description : is a non-contact type measurement which when directed at a heat source directly gives the temperature read out. a) Thermocouples. b) Contact thermometers. c) Humidity. d) Infrared thermometers.

Last Answer :  Infrared thermometers.

What is the specialty of thermocouples lead wires ?

Description : What is the specialty of thermocouples lead wires ?

Last Answer : They should be of the same material as the thermocouple.  

What are skin temperature thermocouples ?

Description : What are skin temperature thermocouples ? 

Last Answer : Skin thermocouples are those which are directly connected to the process without any thermowell. Used for measuring the skin temperature of heaters furnaces, flue gas etc.  

Heat energy is converted into electrical energy a. solar cells b. thermocouples c. electric generators d. none

Description : Heat energy is converted into electrical energy a. solar cells b. thermocouples c. electric generators d. none

Last Answer : b. thermocouples

Thermocouples convert a. heat energy into electrical energy b. heat energy into light energy c. heat energy into mechanical energy d. mechanical energy into heat energy

Description : Thermocouples convert a. heat energy into electrical energy b. heat energy into light energy c. heat energy into mechanical energy d. mechanical energy into heat energy

Last Answer : d. mechanical energy into heat energy

Thermocouples are used for the measurement of (A) humidity. (B) pressure. (C) temperature. (D) density.

Description : Thermocouples are used for the measurement of (A) humidity. (B) pressure. (C) temperature. (D) density.

Last Answer : (C) temperature.

___ sensors include thermocouples, thermistors, resistor temperature detectors (RTDs) and integratd circuits (ICs). A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Proximity Sensor

Description : ___ sensors include thermocouples, thermistors, resistor temperature detectors (RTDs) and integratd circuits (ICs). A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Proximity Sensor

Last Answer : B. Temperature Sensor 

Thermocouples are_____ transducer whereas thermistor are_____ transducer.

Description :  Thermocouples are_____ transducer whereas thermistor are_____ transducer. a) passive, active b) active, passive c) active, active d) passive, passive

Last Answer :  Thermocouples are active transducer whereas thermistor are active transducer. 

What will be the change in resistance of a constantan wire when its radius is made half and length reduced to one-fourth of its original length ?

Description : What will be the change in resistance of a constantan wire when its radius is made half and length reduced to one-fourth of its original length ?

Last Answer : What will be the change in resistance of a constantan wire when its radius is made half and length reduced to one-fourth of its original length ?

What is duralumin?

Description : What is duralumin?

Last Answer : First off, to answer what metals are in it, it is 93.5 percent aluminum, 4.4 percent copper, 1.5 percent magnesium, and 0.6 percent manganese. all around it shouldnt be to ridiculuosly expensive, although ... to work at. and it was used on the hindenburg. (metalurgy, i guess some just have a passio

Which of the following alloy is used in making magnet? (1) Duralumin (2) Stainless steel (3) Elniko (4) Magnalium

Description : Which of the following alloy is used in making magnet? (1) Duralumin (2) Stainless steel (3) Elniko (4) Magnalium

Last Answer : (3) Elniko Explanation: A magnetic alloy is a combination of various metals from the periodic table that contains at least one of the three main magnetic elements: iron (Fe), nickel (Ni), and cobalt (Co).

Full form of CFL used in place of electric bulbs is – (1) compact fluorescent lamp (2) constantan filament lamp (3) closed filament lamp (4) closed fluorescent lamp

Description : Full form of CFL used in place of electric bulbs is – (1) compact fluorescent lamp (2) constantan filament lamp (3) closed filament lamp (4) closed fluorescent lamp

Last Answer : (1) compact fluorescent lamp Explanation: A compact fluorescent lamp (CFL) is a fluorescent lamp designed to replace an incandescent lamp; some types fit into light fixtures formerly used for incandescent lamps.

Duralumin is an alloy of?

Description : Duralumin is an alloy of?

Last Answer : Ans. Al+Cu+Mg+Mn

The alloy of aluminium used for making magnet is-----? A. Duralumin B. Y-Alloy C. Alnico (Answer) D. Aluminium bronze

Description : The alloy of aluminium used for making magnet is-----? A. Duralumin B. Y-Alloy C. Alnico (Answer) D. Aluminium bronze

Last Answer : C. Alnico (Answer)

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.

Which of the following alloy is used in making magnet ? (1) Duralumin (2) Stainless steel (3) Elniko (4) Magnalium

Description : Which of the following alloy is used in making magnet ? (1) Duralumin (2) Stainless steel (3) Elniko (4) Magnalium

Last Answer : Elniko

Full form of CFL used in place of electric bulbs is (1) compact fluorescent lamp (2) constantan filament lamp (3) closed filament lamp (4) closed fluorescent lamp

Description : Full form of CFL used in place of electric bulbs is (1) compact fluorescent lamp (2) constantan filament lamp (3) closed filament lamp (4) closed fluorescent lamp

Last Answer : compact fluorescent lamp

Why duralumin sheets are used in making aeroplanes body?

Description : Why duralumin sheets are used in making aeroplanes body?

Last Answer : Duralumin sheets possess following properties: 1. Light in weight, tough. 2. Corrosion resistant. 3. Easily castable. 4. Strong as mild steel with good tensile strength. Because of these properties it is used in making aeroplanes body. 

Give composition of Duralumin.

Description : Give composition of Duralumin. 

Last Answer : Composition of Duralumin:- Al = 95% , Cu = 4% , Mg = 0.5%, Mn = 0.5%

Constantan contains?

Description : Constantan contains?

Last Answer : Constantan contains copper and nickel.

In March 2019, India extended a financial Grand of ________ Nepalese rupees for the construction of an Educational campus in Nepal under the development of partnership program.

Description : In March 2019, India extended a financial Grand of ________ Nepalese rupees for the construction of an Educational campus in Nepal under the development of partnership program.

Last Answer : 35.5 million