What are the physical properties of nonmetallic materials?

What are the physical properties of nonmetallic materials?
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What are three types of nonmetallic insulating materials that can be used in a high-temperature environments?

Description : What are three types of nonmetallic insulating materials that can be used in a high-temperature environments?

Last Answer : FEP, extruded polytetrafluoroethylene, and silicone rubber.

What physical characteristics of gypsum can be described as nonmetallic?

Description : What physical characteristics of gypsum can be described as nonmetallic?

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Which of the following physical properties is TRUE of most dense ceramic materials? w) high tensile strength x) good ductility y) high compressive strength z) high electrical conductivity

Description : Which of the following physical properties is TRUE of most dense ceramic materials? w) high tensile strength x) good ductility y) high compressive strength z) high electrical conductivity

Last Answer : ANSWER: Y -- HIGH COMPRESSIVE STRENGTH

Is sulfur a nonmetallic?

Description : Is sulfur a nonmetallic?

Last Answer : yes think so

In terms of valence electrons what is the different between metallic elements and nonmetallic elements?

Description : In terms of valence electrons what is the different between metallic elements and nonmetallic elements?

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What is the valve 1919 wheat penny nonmetallic?

Description : What is the valve 1919 wheat penny nonmetallic?

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How do atoms of nonmetallic elements generally form ions?

Description : How do atoms of nonmetallic elements generally form ions?

Last Answer : Non metals usually form ions by gaining electrons to becomeanions (negatively charged ions).

Which of the following statements concerning electrical cables is correct? A. Where they pass through watertight bulkheads, they should be fitted with watertight stuffing boxes. B. Electric cable coverings should never be grounded. C. Electrical cables must be rigidly held in place by welding of armored cable, or glued in place where nonmetallic insulation is used. D. All of the above.

Description : Which of the following statements concerning electrical cables is correct? A. Where they pass through watertight bulkheads, they should be fitted with watertight stuffing boxes. B. Electric cable coverings should ... , or glued in place where nonmetallic insulation is used. D. All of the above.

Last Answer : Answer: A

Which of the following statements best describes the material known as varnished cambric? A. Felted asbestos sealed with varnish. B. Cotton cloth coated with insulating varnish. C. Rubber insulation coated with a layer of tin. D. Paper impregnated with mineral oil, specially wrapped with nonmetallic tape, and coated with varnish.

Description : Which of the following statements best describes the material known as varnished cambric? A. Felted asbestos sealed with varnish. B. Cotton cloth coated with insulating varnish. C. Rubber ... Paper impregnated with mineral oil, specially wrapped with nonmetallic tape, and coated with varnish.

Last Answer : Answer: B

What is the proper procedure for suppressing electrical noise in a mobile station? A. Apply shielding and filtering where necessary B. Insulate a all plain sheet metal surfaces from each other C. Apply anti-static spray liberally to all nonmetallic D. Install filter capacitors in series with all dc wiring

Description : What is the proper procedure for suppressing electrical noise in a mobile station? A. Apply shielding and filtering where necessary B. Insulate a all plain sheet metal surfaces from each other C. ... -static spray liberally to all nonmetallic D. Install filter capacitors in series with all dc wiring

Last Answer : A. Apply shielding and filtering where necessary

Transmission media are usually categorized as_______. A) fixed or unfixed B) guided orunguided C) determinate or indeterminate D) metallicor nonmetallic

Description : Transmission media are usually categorized as_______. A) fixed or unfixed B) guided orunguided C) determinate or indeterminate D) metallicor nonmetallic

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What is the most common type of nonmetallic material used to protect wires and cables?

Description : What is the most common type of nonmetallic material used to protect wires and cables?

Last Answer : Fibrous Braid.

How many categories of nonmetallic protective coverings are there?

Description : How many categories of nonmetallic protective coverings are there?

Last Answer : Three

Figure out the odd statement about ceramics in the following (a) Good insulators of heat and electricity (b) Usually less desire than metals (c) Ductile in nature (d) Contains both metallic and nonmetallic elements

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Last Answer : (c) Ductile in nature

Of the nonmetallic elements the one least likely to be found in organic compounds is: w) nitrogen x) phosphorus y) chlorine z) selenium

Description : Of the nonmetallic elements the one least likely to be found in organic compounds is: w) nitrogen x) phosphorus y) chlorine z) selenium

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When do all the magnetic materials lose their magnetic properties? -Do You Know?

Description : When do all the magnetic materials lose their magnetic properties? -Do You Know?

Last Answer : answer:

What are the properties of diamagnetic materials ?

Description : What are the properties of diamagnetic materials ?

Last Answer : 1. They are repelled by magnets. 2. They are solid , liquid and pliable. 3. They have no religion of magnetic gravity. 4. They have no point. 5. Their magnetism or tendency is negative. . They have no hysteria. . Their magnetic penetration is u

Why do most materials have magnetic properties too weak to be detected easily?

Description : Why do most materials have magnetic properties too weak to be detected easily?

Last Answer : Feel Free to Answer

Materials for rain-proof coats and tents owe their water proof properties to _____? A. Surface tension B. Viscosity C. Elasticity D. Specific gravity

Description : Materials for rain-proof coats and tents owe their water proof properties to _____? A. Surface tension B. Viscosity C. Elasticity D. Specific gravity

Last Answer : ANSWER: A

Materials for rain proof coats and tents owe their water proof properties to – (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Description : Materials for rain proof coats and tents owe their water proof properties to – (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Last Answer : (1) Surface tension Explanation: Materials for rain proof coats and tents owe their water proof properties to Surface Tension. The surface of a liquid behaves like an elastic membrane and therefore, has a tendency to contract. This property of liquid is called Surface Tension.

When do all the magnetic materials lose their magnetic properties?

Description : When do all the magnetic materials lose their magnetic properties?

Last Answer : Strongly heated

Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its (A) High strength to weight ratio (B) Low temperature strength properties (C) Its ability to be cast, rolled, forged & stamped (D) High strength and corrosion & oxidation-resistance at elevated temperature

Description : Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its (A) High strength to weight ratio (B) Low temperature strength properties (C) Its ability ... rolled, forged & stamped (D) High strength and corrosion & oxidation-resistance at elevated temperature

Last Answer : (A) High strength to weight ratio

Ceramic materials possess which of the following properties? a) Brittle and low dielectric constant b) Rigid and low dielectric constant c) Brittle and high dielectric constant d) Rigid and high dielectric constant

Description : Ceramic materials possess which of the following properties? a) Brittle and low dielectric constant b) Rigid and low dielectric constant c) Brittle and high dielectric constant d) Rigid and high dielectric constant

Last Answer : c) Brittle and high dielectric constant

The materials which have the same elastic properties in all directions, are called (A) Isotropic (B) Brittle (C) Homogeneous (D) Hard

Description : The materials which have the same elastic properties in all directions, are called  (A) Isotropic  (B) Brittle  (C) Homogeneous  (D) Hard 

Last Answer : (A) Isotropic 

Isotropic materials have the same __________ in all directions. (A) Induced stresses (B) Density (C) Elastic properties (D) Thermal properties

Description : Isotropic materials have the same __________ in all directions. (A) Induced stresses (B) Density (C) Elastic properties (D) Thermal properties

Last Answer : C) Elastic properties

Ferromagnetic materials owe their properties to __________ inner subshells. (A) Completely filled (B) Partially filled (C) Equally filled (D) Vacant

Description : Ferromagnetic materials owe their properties to __________ inner subshells. (A) Completely filled (B) Partially filled (C) Equally filled (D) Vacant

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The compatibility conditions in terms of strains in a two-dimensional problem are associated with (a) Stresses (b) Forces (c) Properties of materials (d) Deformations

Description : The compatibility conditions in terms of strains in a two-dimensional problem are associated with (a) Stresses (b) Forces (c) Properties of materials (d) Deformations

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State two fundamental properties of insulating materials.

Description : State two fundamental properties of insulating materials.

Last Answer : Insulation resistance and dielectric strength.

State the functions of a fuse. Mention the desirable properties of fuse materials.

Description : State the functions of a fuse. Mention the desirable properties of fuse materials.

Last Answer : Ans: Fuse is a protective device, which consists of a thin wire or strip. This wire or strip is placed with the circuit it has to protect, so that the circuit-current flows through it. When ... silver and silver alloys are used of lower ratings. Copper alloys are used in fuses of higher ratings.

Classify plastic materials into two categories, describe their important properties and give two examples of each.

Description : Classify plastic materials into two categories, describe their important properties and give two examples of each.

Last Answer : Ans: Plastic materials can be classified into thermoplastic and thermosetting plastics. Thermoplastic materials:- The properties of these plastic materials do not change considerably if they are melted ... forming elastic threads and films. Examples are Phenol formaldehyde (Bakelite), Epoxy resins.

Name two thermal properties of engineering materials.

Description : Name two thermal properties of engineering materials.

Last Answer : Thermal properties of engineering materials:  1. Melting point 2. Specific heat 3. Heat capacity (specific heat capacity) 4. Thermal expansion 5. Thermal conductivity 6. Thermal stability 7. Thermal shock resistance 8. Heat resistance/thermal resistance

State various thermal insulating materials. State any two properties of insulating material

Description : State various thermal insulating materials. State any two properties of insulating material

Last Answer : Thermal insulating materials: 1) Asbestos 2) Aluminum Foil 3) Thermocol 4) Saw dust 5) Cork board slabs 6) Foam glass 7) Rock Wool 8) Glass Wool 9) ... . h) Presence of Moisture: with the increase in moisture content, the coefficient of thermal conductivity rises greatly

What do you mean by eco-friendly building materials? State any two properties of it.

Description : What do you mean by eco-friendly building materials? State any two properties of it.

Last Answer : Eco-friendly means earth-friendly or not harmful to the environment. This term most commonly refers to products that contribute to green living or practices that help conserve resources like water and ... It reduces air pollution, land pollution & water pollution. 7. It is locally available. 

Give properties and uses of ceramic materials in construction.

Description : Give properties and uses of ceramic materials in construction.

Last Answer : Properties: 1. It is hard. 2. It is bristle. 3. It is in the form of amorphous (non-crystalline) 4. The structure is glassy. 5. It is insulator thermally & electrically. 6. It is ... porcelain. 6. For making POP. 7. For making electric. 8. For Manufacturing of sanitary wares, pavers. 

What are the properties of sound insulating materials?

Description : What are the properties of sound insulating materials?

Last Answer : Properties of sound insulating materials: 1. It should be light in weight 2. Easy to handle and fix 3. It should be resistant to attack termite and insect 4. It should have low density and porous texture 5. It should be fire resistance 6. It should be moisture resistance

State the Properties of thermal insulating materials.

Description : State the Properties of thermal insulating materials.

Last Answer : Properties of thermal insulating materials: 1) Thermal insulating should be bio resistant and dry. 2) Thermal resistant should be chemically resistant and fire proof. 3) Thermal resisting ... in the moisture content in the material, the coefficient of thermal conductivity rises greatly.

Discuss functions of flux used to welding. Identify properties of material suitable for flux and state two materials used as flux.

Description : Discuss functions of flux used to welding. Identify properties of material suitable for flux and state two materials used as flux.

Last Answer : Functions of flux 1. A flux is a material used for removal of oxides and other undesirable substances. 2. Flux is a material used to prevent dissolve or facilitate removal of oxide. 3. ... in liquid 5. For welding alloy steel:- Mixture of boric acid , Dehydrated borax and calcium fluorides

Which one of the following is not basic component of Materials Science? (a) Cost (b) Properties (c) Structure (d) Performance

Description : Which one of the following is not basic component of Materials Science? (a) Cost (b) Properties (c) Structure (d) Performance

Last Answer : (a) Cost 

Give any two properties of area and also raw materials used for urea.

Description : Give any two properties of area and also raw materials used for urea.

Last Answer : Properties of urea M.P 133 oC MW 60 Soluble in water Non toxic Non flammable Raw materials: 1.Carbon dioxide 2.Ammonia

1. By which algae is Nitrogen fixation done? 2. Which post does the Constitution of India not mention? 3. When do all the magnetic materials lose their magnetic properties? 4. Why are the Canals in Western Europeare mainly used? 5. By whom was the ‘Tahglq-i-Hind', a famous literary work, written?

Description : 1. By which algae is Nitrogen fixation done? 2. Which post does the Constitution of India not mention? 3. When do all the magnetic materials lose their magnetic properties? 4. Why are the ... belongs to which mountains? 20. During the reign of emperor was the artillery most perfect and numerous?

Last Answer : Answer : 1. Blue-green algae 2. The Deputy Prime Minister 3. Strongly heated 4. For inland navigation 5. Alberuni 6. 5th June 7. Manipur 8. Analogous organs 9. Oxbow lake 10. Vallabhacharya 11 ... 17. Due to presence of Bacteriophages 18. As a Union of States 19. Fold mountains 20. Aurangzeb

Materials for rain proof coats and tents owe their water proof properties to (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Description : Materials for rain proof coats and tents owe their water proof properties to (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Last Answer : Surface tension

Write four properties of Ceramic Materials and give it’s applications in automobile industry.

Description : Write four properties of Ceramic Materials and give it’s applications in automobile industry.

Last Answer : Properties of Ceramic Material: i. Inorganic & non -metallic material. ii. Brittle material. iii. Insulation to flow of electric current iv. Withstand high temperature. v. Rock like appearance vi. Hardness ... mica etc. 7. In I.C. engines and turbines as armor plates. 8. In cutting tools 

State any two electrical, mechanical and thermal properties of insulating materials.

Description : State any two electrical, mechanical and thermal properties of insulating materials. 

Last Answer : i) Electrical Properties of insulating material:- 1. It should have high resistance. 2. It should have high breakdown voltage. 3. It should have high dielectric strength. 4. It should have low ... . 4. Ii should have thermal Stability. 5. Co-efficient of thermal expansion should be low.

State properties of insulating materials.

Description : State properties of insulating materials.

Last Answer : (i) Resistivity should be very high. (ii) It should be water resistant. (iii) It should not contain impurities. (iv) It should not be affected chemically and not corroded easily. (v) Its ... It should be mechanically strong (tensile strength should be more). (vii) It should not be porous.

Explain the materials used in wearable antennas with their properties

Description : Explain the materials used in wearable antennas with their properties

Last Answer : 1. The Substrate:   The fabric textile material to be used should have more dielectric permittivity. o Low dielectric constant o Nominal thickness value. o Low moisture content of fabric. ... . Conducting material having low and stable electrical resistance, flexible in nature eg.: Copper, Nickel 

Explain the mechanical properties of insulating materials.

Description : Explain the mechanical properties of insulating materials.

Last Answer : i) Mechanical strength: Mechanical strength depends on temperature and humidity. a) Temperature: High temperature badly affects the mechanical strength of insulating material. While selecting material ... material should have property of easy moulding and machined into required shape and size.

State any four properties of conducting materials.

Description : State any four properties of conducting materials.

Last Answer : Electrical properties of conductivity materials: i) Low resistivity. ii) Low temperature coefficient of resistance. iii) High conductivity. iv) Low heat dissipation.  Mechanical properties of ... properties of conductivity materials: i) Adequate resistant to corrosion. ii) Low oxidation. 

Give the properties and application of following materials :i) mica ii) rubber

Description : Give the properties and application of following materials :i) mica ii) rubber

Last Answer : i) Mica: Properties of Mica:  1. It has very high resistance 2. It is heat resistant, moisture resistant, it has good elasticity and is fire proof 3. It retains its electrical and mechanical ...   Applications of Rubber: 1. It is extensively used as insulation on wires, cables etc.

What chemical/physical properties help compare fuels in combustion engines? and how to apply them.

Description : What chemical/physical properties help compare fuels in combustion engines? and how to apply them.

Last Answer : The ratings for fuel energy, flame propagation, combustion speed are based on comparison with octane in gasoline and pentane or cetane (depending on the applicatton) for diesel or jet fuel.. ... are many textbooks on petroleum technology, the Wiki article and references give a good starting point.

Classify minerals into two groups on the basis of chemical and physical properties and give one example of minerals of each group. -Geography

Description : Classify minerals into two groups on the basis of chemical and physical properties and give one example of minerals of each group. -Geography

Last Answer : Minerals are classified on the basis of their physical properties and chemical properties such as: Metallic Minerals Metallic minerals are those that are rich in metals and a source to procure a variety of ... is rich in building stones i.e. sandstone, granite, marble, fuller's earth, and gypsum