Manganese ferrite is a 1 : 1 mixture of

1 Answer

Answer :

Manganese ferrite is a 1 : 1 mixture of Manganese oxide and iron oxide

Related questions

Description : A ferrite core has less eddy current loss than an iron core because?

Last Answer : A ferrite core has less eddy current loss than an iron core because ferrites have high hysteresis.

Description : Is manganese a homogeneous mixture?

Last Answer : Manganese is a chemical element, not a mixture.

Description : Pick out the wrong statement. (A) Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate (B) Glass is decolorized during its manufacture by ... Na2O . CaO . 6SiO2 (D) Red color is imparted to glass by addition of arsenic oxide

Last Answer : (D) Red color is imparted to glass by addition of arsenic oxide

Description : What is the difference between austenite stabilisers and ferrite stabilisers ?

Last Answer : Austenite stabilisers have the effect of extending the temperature range overwhich austenite is formed. Such elements are carbon, manganese, nickel, copper and cobalt. Ferrite stabilisers have the ... is formed. Such elements are silicon, chromium, molybdenum, tungsten, titanium and niobium.

Description : Explain the difference between ferrite, austenite and graphite ?

Last Answer : Ferrite is the solid solution of carbon and other constituents in alpha-iron. It is soft, ductile and relatively weak. Austenite is the solid solution of carbon and other constituents in ... is also found at ordinary temperatures in some stainless steels. Graphite has a hexagonal layer lattice.

Description : How can intermodulation interference between two transmitters in close proximity reduced or eliminated? A. Through installing a band-pass filter in the antenna feed line B. Through installing terminated circulator ... high driving power D. By installing a low-pass filter in the antenna feed line

Last Answer : A. Through installing a band-pass filter in the antenna feed line

Description : Referred to as a ferrite device that can be used in lieu of a duplexer to isolate a microwave transmitter and receiver when both are connected to the same antenna. A. Isolator B. Circulator C. Coupler D. Diode.

Last Answer : B. Circulator

Description : Which of the following is the hardest? (A) Cementite (B) Pearlite (C) Austenite (D) Ferrite

Last Answer : (C) Austenite

Description : Steels with high carbon equivalent have poor Weldability, because in these steels during welding (A) Carbon and other alloying elements get oxidised from the weld pool (B) Excessive ferrite forms in the ... of carbon and other element occurs in the weld pool leading to poor properties of the weld

Last Answer : (C) Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld

Description : Pearlite comprises of (A) 87% cementite & 13% Fe (B) 87% ferrite & 13% cementite (C) 93.33% ferrite & 6.67% C (D) 87% ferrite & 13% C

Last Answer : (B) 87% ferrite & 13% cementite

Description : Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called (A) Tempering (B) Hardening (C) Annealing (D) Normalising

Last Answer : Option C

Description : Eutectoid composition of carbon steel at room temperature is (A) Cementite (B) Pearlite (C) Martensite (D) Ferrite

Last Answer : Option B

Description : During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to (A) Time (B) Square root of time (C) Square of time (D) Cube of time

Last Answer : Option B

Description : Secondary hardening in steels arises out of the (A) Precipitation of fine alloy carbides at high temperatures (B) Refinement of ferrite grain size by working (C) Decomposition of retained austenite upon heat treatment (D) Precipitation of complex inter-metallic upon heat treatment

Last Answer : Option C

Description : Maraging steels derive their strength from the following mechanism: (A) A fine, highly dislocated and strong martensite (B) Fine dispersions of inter-metallic of Fe, Ni, Ti etc (C) Fine ... alloy carbides in a ferrite matrix (D) Fine dispersions of Fe3 C nucleated on dislocations in austenite

Last Answer : Option A

Description : Hydration of cement is due to chemical action of water with (A) Tricalcium silicate and dicalcium silicate (B) Dicalcium silicate and tricalcium aluminate (C) Tricalcium aluminate and tricalcium alumino ferrite (D) All the above

Last Answer : Answer: Option D

Description : The compound of Portland cement which reacts immediately with water and also sets first is (A) Tri-calcium silicate (B) Di-calcium silicate (C) Tri-calcium aluminate (D) Tetra calcium alumino ferrite

Last Answer : Answer: Option C

Description : Initial setting of cement is caused due to (A) Tri-calcium silicate (B) Di-calcium silicate (C) Tri-calcium aluminate (D) Tetra calcium alumino ferrite

Last Answer : Answer: Option C

Description : The compound of Portland cement which contributes to the strength after two to three years is (A) Tri-calcium silicate (B) Di-calcium silicate (C) Tri-calcium aluminate (D) Tetra-calcium alumino ferrite

Last Answer : Answer: Option B

Description : Pick up the compound responsible for early strength of cement from the following: (A) Tetra-calcium alumino-ferrite (B) Tri-calcium silicate (C) Tri-calcium aluminate (D) Di-calcium silicate

Last Answer : Answer: Option B

Description : Good quality cement contains higher percentage of (A) Tri-calcium silicate (B) Di-calcium silicate (C) Tri-calcium aluminate (D) Tetra calcium alumino ferrite

Last Answer : Answer: Option A

Description : Ultimate strength to cement is provided by (A) Tri-calcium silicate (B) Di-calcium silicate (C) Tri-calcium aluminate (D) Tetra calcium alumino ferrite

Last Answer : Answer: Option B

Description : Rapid hardening cement contains (A) Tri-calcium silicate (B) Tri-calcium aluminate (C) Tetra-calcium alumino-ferrite (D) Di-calcium silicate

Last Answer : Answer: Option A

Description : In the cement the compound quickest to react with water, is (A) Tri-calcium aluminate (B) Tetra-calcium alumino-ferrite (C) Tri-calcium silicate (D) Di-calcium silicate

Last Answer : Answer: Option A

Description : The constituent of cement which is responsible for all the undesirable properties of cement is (A) Di-calcium silicate (B) Tri-calcium silicate (C) Tri-calcium aluminate (D) Tetra calcium alumino ferrite

Last Answer : Answer: Option C

Description : The development of first 28 days strength is on account of the hydration of (a) Tricalcium silicate (b) Dicalcium silicate (c) Tricalcium aluminate (d) Tetra calcium alumina ferrite

Last Answer : (a) Tricalcium silicate

Description : Rotating the plane of polarization of a wavefront by passing it through a ferrite device is called what?

Last Answer : . Faraday rotation.

Description : Ferrite devices are useful in microwave applications because they possess what properties?

Last Answer : Magnetic properties and high resistance

Description : When microwave energy is passed through a piece of ferrite in a magnetic field, another effect occurs. If the frequency of the microwave energy is much greater than the electron wobble frequency, the plane of polarization of the wavefront is rotated. This is known as

Last Answer : Faraday Rotation Effect

Description : 71 High frequency transformers sometimes make use of ferrite cores because it has A. High specific gravity B. High resistance C. High hysteresis D. low permeability

Last Answer : B. High resistance

Description : A ferrite core has less eddy current loss than an iron core because ferrites have (A) High resistance. (B) Low resistance. (C) Low permeability. (D) High hysteresis.

Last Answer : (A) High resistance.

Description : Draw a label diagram of ferrite core inductor.

Last Answer : Ferrite core inductor

Description : Write the difference between iron core inductor and ferrite core inductor. 

Last Answer : difference between iron core inductor and ferrite core inductor

Description : Draw the symbol of i) Iron core inductor ii) variable capacitor iii) resistor iv) Ferrite core inductor

Last Answer :  Iron core inductor:  Ferrite core inductor:  

Description : Draw the structure and state applications of: i) Ferrite loop (rod) antenna ii) Horn antenna

Last Answer : Horn antenna: Application:- i) Used at microwave frequency. ii) Used in satellite tracking.  Ferrite loop antenna: Application:- In Am radio receiver to receive MW and SW band signals. In FM radio receiver

Description : (a) 1. Name the private sector iron and steel plant of India. [2] 2. From where does it get its supply of: 1. Iron ore 2. Manganese 3. Coal? -Geography

Last Answer : 1. Tata Iron and Steel Industry, Jamshedpur. 2. 1. Iron Ore: Singhbhum, Mayurbhanj. 2. Manganese: Noamundi. 3. Coal: Jharia.

Description : State an important industrial use of :1. Manganese 2. Coal 3. Aluminum -Geography

Last Answer : 1. Iron and Steel manufacturing 2. Iron and Steel manufacturing 3. Use to making pots and pans because good conductor of heat.

Description : Mention any two uses of manganese. -Geography

Last Answer : Two uses of Manganese: 1. Making of iron and steel. It makes it tough. 2. Manufacturing of paints and glass.

Description : What is the use of manganese? Describe the state-wise distribution of manganese -Geography

Last Answer : Manganese is an important raw material for smelting of iron ore and also used for manufacturing ferro alloys. Distribution: (i) Manganese deposits are found in almost all geological ... Mandla and Jhabua districts. Andhra Pradesh, Goa and Jharkhand are other minor producers of managanese.

Description : Which State is the largest producer of manganese in India? Mention any two uses of manganese. -SST 10th

Last Answer : 1. Odisha is the largest producer of manganese in India, accounting for one-third of the country's total production in 2000-01. 2. Manganese is majorly used in the manufacturing of steel and ... tonne of steel. 3. It is also used in the production of bleaching powder. insecticides and paints.

Description : What is the use of manganese ? Name the largest manganeseore producing state of India. -SST 10th

Last Answer : Manganese is used to manufacture: 1. Steel 2. Ferro-manganese alloy 3. Bleaching powder 4. Insecticides 5. Paint The largest manganese-ore producing state is Orissa.

Description : Mention any four uses of manganese ore. Name three areas where manganese is found. -SST 10th

Last Answer : Four uses of manganese ore are follows : (i) It is an important raw material in the iron and steel industry, used in the manufacturing of steel. Nearly 10 kg of manganese is ... Orissa, Chhindwara and Balaghat in Madhya Pradesh and Shimoga of Karnataka are important areas of manganese mining.

Description : Which state is the largest producer of manganese ores in India? -SST 10th

Last Answer : Odisha is the largest producer of manganese ores in India. It accounted for one-third of the country’s total production in 2000-01

Description : What is the main use of manganese? -SST 10th

Last Answer : Manganese is mainly used in the manufacturing of steel and ferro-manganese alloy.

Description : Describe any two facts regarding the importance of manganese in our daily life. -SST 10th

Last Answer : Manganese is mainly used in the manufacturing of steel and ferro-manganese alloy. Nearly 10 kg of manganese is required to manufacture one tonne of steel. It is also used in manufacturing ... country's total production in 2000-01. Other manganese-producing states are Madhya Pradesh and Karnataka.

Description : The pie chart given below shows the production of manganese in different states. -SST 10th

Last Answer : 1. Uses of Manganese: (i) Manganese is mainly used in the manufacturing of steel and ferro-manganese alloy. Nearly 10 kg of manganese is required to manufacture one tonne of steel. (ii) ... is the largest producer of manganese ores in India approximately one-third of the country's total production.

Description : Which state is the largest producer of manganese in India? -SST 10th

Last Answer : Odisha is the largest producer of manganese in India. Two uses of manganese are: (i) Manganese compounds are used in dry-cell batteries, matches, fireworks, etc. (ii) Manganese is used as an alloying agent for aluminium.

Description : What is manganese used for? -SST 10th

Last Answer : Manganese is a key metal used in manufacturing special types of steel. It is also used in several chemical and electrical industries, glass, ceramics.

Description : Name the States producing Manganese -SST 10th

Last Answer : The ore is found in Orissa, Andhra Pradesh, Karnataka, Maharashtra (Ratnagiri, Bhandara and Nagpur Districts). Madhya Pradesh (Balaghat and Chhindwara Districts).

Description : Name one use of the mineral manganese. -SST 10th

Last Answer : It is widely used in electrical industries. In the smelting of iron ore and to convert it into steel.