Which of the following comprises of hydrocarbons? (A) Mica flakes (B) Glass (C) Rubber (D) None of these

Which of the following comprises of hydrocarbons?
(A) Mica flakes
(B) Glass
(C) Rubber
(D) None of these
by

1 Answer

Answer :

(C) Rubber
by

Related questions

Which of the following is not a dielectric material? (A) Cotton, silk and paper (B) Asbestos, glass, porcelain and mica (C) Rubber and polymeric resins (D) All refractory materials

Description : Which of the following is not a dielectric material? (A) Cotton, silk and paper (B) Asbestos, glass, porcelain and mica (C) Rubber and polymeric resins (D) All refractory materials

Last Answer : Option C

Which of the following are bad conductors of electricity? (1) Mica and Quartz (2) Metals and Rubber (3) Metals and Mica (4) Mica and Rubber

Description : Which of the following are bad conductors of electricity? (1) Mica and Quartz (2) Metals and Rubber (3) Metals and Mica (4) Mica and Rubber

Last Answer : (1) Mica and Quartz Explanation: Metals are good conductors of electricity, because they have free electrons. Micaand quartz are examples of insulators (bad conductors of electricity), they don't have free electrons.

Which of the following is a good conductor of heat but a bad conductor of electricity? (1) Celluloid (2) Rubber (3) Asbestos (4) Mica

Description : Which of the following is a good conductor of heat but a bad conductor of electricity? (1) Celluloid (2) Rubber (3) Asbestos (4) Mica

Last Answer : (4) Mica Explanation: Good conductors of heat are good conductors of electricity. Mica is an exception which although being a good conductor of heat and a bad conductor of electricity. It is commonly ... to assist in the transfer of the generated heat to the heat sink or chassis for dissipation.

Cables for 220 kV lines are invariably (a) mica insulated (b) paper insulated (c) compressed oil or compressed gas insulated (d) rubber insulated (e) none of the above

Description : Cables for 220 kV lines are invariably (a) mica insulated (b) paper insulated (c) compressed oil or compressed gas insulated (d) rubber insulated (e) none of the above

Last Answer : (c) compressed oil or compressed gas insulated

Which of the following is a good conductor of heat but a bad conductor of electricity ? (1) Celluloid (2) Rubber (3) Asbestos (4) Mica

Description : Which of the following is a good conductor of heat but a bad conductor of electricity ? (1) Celluloid (2) Rubber (3) Asbestos (4) Mica

Last Answer : Mica

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.

Which is an amorphous material? (A) Glass (B) Mica (C) Brass (D) Cast iron

Description : Which is an amorphous material? (A) Glass (B) Mica (C) Brass (D) Cast iron

Last Answer : (A) Glass

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is (A) Lead (B) Glass (C) Mica (D) Silver

Description : A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is (A) Lead (B) Glass (C) Mica (D) Silver

Last Answer : (A) Lead

In which of the following industries is mica used as a raw material? (a) Electrical (b) Iron and steel (c) Toys (d) Glass and pottery

Description : In which of the following industries is mica used as a raw material? (a) Electrical (b) Iron and steel (c) Toys (d) Glass and pottery

Last Answer : Ans:(a)

Which of the listed pairs of materials make the best insulators? A. copper and aluminum B. glass and mica C. dry air and a vacuum D. doped silicon and germanium

Description : Which of the listed pairs of materials make the best insulators? A. copper and aluminum B. glass and mica C. dry air and a vacuum D. doped silicon and germanium

Last Answer : Answer: B

The 'dielectric constant' is a numerical value indicating the effectiveness of a dielectric material in comparison to that of a standard, which is _______________. A. paper or cloth B. glass or mica C. plastic or Teflon D. dry air or a vacuum

Description : The 'dielectric constant' is a numerical value indicating the effectiveness of a dielectric material in comparison to that of a standard, which is _______________. A. paper or cloth B. glass or mica C. plastic or Teflon D. dry air or a vacuum

Last Answer : Answer: D

Which of the listed groups of electrical insulation materials is best suited for the highest operating temperatures? A. impregnated cotton and silk B. unimpregnated paper and cotton C. pure glass and quartz D. mica and porcelain with bonding agents

Description : Which of the listed groups of electrical insulation materials is best suited for the highest operating temperatures? A. impregnated cotton and silk B. unimpregnated paper and cotton C. pure glass and quartz D. mica and porcelain with bonding agents

Last Answer : Answer: C

Which of the substances listed can be used to shield sensitive equipment from static magnetic fields? A. Glass B. Mica C. Bakelite D. Permeable iron

Description : Which of the substances listed can be used to shield sensitive equipment from static magnetic fields? A. Glass B. Mica C. Bakelite D. Permeable iron

Last Answer : Answer: D

Glass is made of the mixture of-------? A. Quartz and Mica B. Sand and Salt C. Sand and Silicates (Answer) D. None of these

Description : Glass is made of the mixture of-------? A. Quartz and Mica B. Sand and Salt C. Sand and Silicates (Answer) D. None of these

Last Answer : C. Sand and Silicates (Answer)

Write one application for the give dielectric material. (i) Polyvinyl Carbide(PVC) (ii) Glass (iii) Mica (iv) Cotton and Silk

Description : Write one application for the give dielectric material. (i) Polyvinyl Carbide(PVC) (ii) Glass (iii) Mica (iv) Cotton and Silk

Last Answer : (i) Polyvinyl Carbide(PVC):it is used in insulation of wires and cables in domestic wiring as well as in aircraft and factory wiring (any one)  (ii) Glass: 1) Alkaline glasses are used for ... with wax or varnishes are used in windings of magnet coils and small medium sized mechanics (any one) 

Pick out the wrong statement. (A) Wrought iron contains about 0.02% carbon (B) Wrought iron cannot be easily forged and welded (C) The chilled cast iron does not contain graphite (D) Spheroidal grey cast iron contains graphite flakes

Description : Pick out the wrong statement. (A) Wrought iron contains about 0.02% carbon (B) Wrought iron cannot be easily forged and welded (C) The chilled cast iron does not contain graphite (D) Spheroidal grey cast iron contains graphite flakes

Last Answer : (B) Wrought iron cannot be easily forged and welded

Commercial fertilisers are available mostly in the form of (A) Powder (B) Granules (C) Lumps (D) Flakes

Description : Commercial fertilisers are available mostly in the form of (A) Powder (B) Granules (C) Lumps (D) Flakes

Last Answer : (B) Granules

Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction (A) Decreases with decrease of thickness of the flakes(B) Increases with the increasing flake size keeping the flake thicknessconstant(C) Increases considerably with the rise of temperature(D) Decreases as the moisture content of flakes increases

Description : Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction (A) Decreases with decrease of thickness of the flakes (B) Increases with the increasing flake size ... considerably with the rise of temperature (D) Decreases as the moisture content of flakes increases

Last Answer : (D) Decreases as the moisture content of flakes increases

Carbon is present in the form of __________ in grey cast iron. (A) Spheroids (B) Nodular aggregates of graphite (C) Flakes

Description : Carbon is present in the form of __________ in grey cast iron. (A) Spheroids (B) Nodular aggregates of graphite (C) Flakes

Last Answer : Option C

Addition of silicon to cast iron (A) Promotes graphite module formation (B) Improves its ductility (C) Does not promote graphite flakes formation (D) Increases the fluidity of molten metal

Description : Addition of silicon to cast iron (A) Promotes graphite module formation (B) Improves its ductility (C) Does not promote graphite flakes formation (D) Increases the fluidity of molten metal

Last Answer : Option D

Can I put red pepper flakes in peanut butter?

Description : Can I put red pepper flakes in peanut butter?

Last Answer : I suggest that you try ANY or ALL of the ideas that pop into your head. IF you find one that you don't like, just DON'T do it again!!! I put red pepper flakes on just about everything I ... buds so the food that follows taste better than normal!!! They make a baked potato taste 10 times better!!!

Do Tigers really like to eat Frosted Flakes?

Description : Do Tigers really like to eat Frosted Flakes?

Last Answer : They are more interested in big, juicy, frosted butts.

What is the stuff inside the electric kettle at the bottom, which looks like flakes of some hard substance?

Description : What is the stuff inside the electric kettle at the bottom, which looks like flakes of some hard substance?

Last Answer : Lime scales. Put in CLR to clean it. Or chuck away. It is from your water.

Can one use an extension of a vacuum cleaner to get rid of flakes on the hair on your head?

Description : Can one use an extension of a vacuum cleaner to get rid of flakes on the hair on your head?

Last Answer : Vacuum the dandruff? It works and I do it all the time. The bonus is that it actually feels really good.

What do you do when a friend flakes on you?

Description : What do you do when a friend flakes on you?

Last Answer : answer:I would go out and look for work without her. As for the friendship, it would depend on if this behavior was an anomaly or a pattern. In the case of the latter, I might end the friendship.

Where can I buy calcium chloride flakes?

Description : Where can I buy calcium chloride flakes?

Last Answer : http://www.google.com/products?q=calcium+chloride+flakes Tons of websites there!

What besides flakes can I safely feed my goldfish?

Description : What besides flakes can I safely feed my goldfish?

Last Answer : I think that it's fine...you can feed fish food such as frozen peas, lettuce, corn, they love live plants from the pet store or freezed dried shrimp.

Why are they're gold flakes in the beaches at Coronado, CA?

Description : Why are they're gold flakes in the beaches at Coronado, CA?

Last Answer : Mica.

Ravi’s grandfather gave him four mixtures and asked him “Which of these can be separated by the method of winnowing?” (i) Kidney beans and chickpeas (ii) Pulses and rice (iii) Rice flakes and corn (iv) Potato wafers and biscuits -Science

Description : Ravi’s grandfather gave him four mixtures and asked him “Which of these can be separated by the method of winnowing?” (i) Kidney beans and chickpeas (ii) Pulses and rice (iii) Rice flakes and corn (iv) Potato wafers and biscuits -Science

Last Answer : answer:

What is the verb phrase late in the afternoon the snow was falling in large soft flakes?

Description : What is the verb phrase late in the afternoon the snow was falling in large soft flakes?

Last Answer : What is the answer ?

Is caustic soda flakes are a pure substances or mixture?

Description : Is caustic soda flakes are a pure substances or mixture?

Last Answer : What is the answer ?

'Cloud burst' means – (1) Sowing of seeds of a crop in cloudy weather. (2) Abnormally heavy downpour of rain, associated with a thunderstorm. (3) Formation of artificial rain. (4) Presence of scattered flakes of cloud in the sky.

Description : 'Cloud burst' means – (1) Sowing of seeds of a crop in cloudy weather. (2) Abnormally heavy downpour of rain, associated with a thunderstorm. (3) Formation of artificial rain. (4) Presence of scattered flakes of cloud in the sky.

Last Answer : (2) Abnormally heavy downpour of rain, associated with a thunderstorm. Explanation: A cloudburst is an extreme amount of precipitation, sometimes accompanied by hail and thunder, that normally ... . However, cloudbursts are infrequent as they occur only via orographic lift or sudden condensation.

Cloud burst means – (1) Formation of artificial rain (2) Abnormally heavy downpour of rain, associated with thunderstorm (3) Presence of scattered flakes of cloud in the sky (4) Sowing of seeds of a crop in a cloudy weather

Description : Cloud burst means – (1) Formation of artificial rain (2) Abnormally heavy downpour of rain, associated with thunderstorm (3) Presence of scattered flakes of cloud in the sky (4) Sowing of seeds of a crop in a cloudy weather

Last Answer : (2) Abnormally heavy downpour of rain, associated with thunderstorm Explanation: A cloudburst is sudden copious rainfall. It is a sudden aggressive rainstorm falling for a short period of time limited to a small geographical area. Generally cloudbursts are associated with thunderstorms

Which of the following is chief source of Naphthalene? (1) Moth balls (2) Moth flakes (3) Tar Camphor (4) Methyl Alcohol

Description : Which of the following is chief source of Naphthalene? (1) Moth balls (2) Moth flakes (3) Tar Camphor (4) Methyl Alcohol

Last Answer : (3) Methyl Alcohol Explanation: Petroleum-derived naphthalene is usually purer than that derived from coal tar.

The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?

Description : The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?

Last Answer : (a) Cheapness. (B) Low melting point and high fluidity making it suitable for castings of intricate shape. (c) Relatively good erosion and corrosion resistance. (d) High damping capacity, with respect to vibration. (e) Relatively good mechanical properties under compressive loading.

Dust of Snow‘ here means- (a) Balls of snow (b) Pebbles (c) Flakes of snow (d) None of the above

Description : Dust of Snow‘ here means- (a) Balls of snow (b) Pebbles (c) Flakes of snow (d) None of the above

Last Answer : (c) Flakes of snow

In children, this skin disease is characterized by the production of thin-walled blisters oozing a yellowish fluid and forming yellowish- brown flakes. a. Toxic shock syndrome b. Scalded skin syndrome c. Erysipelas d. Impetigo

Description : In children, this skin disease is characterized by the production of thin-walled blisters oozing a yellowish fluid and forming yellowish- brown flakes. a. Toxic shock syndrome b. Scalded skin syndrome c. Erysipelas d. Impetigo

Last Answer : d. Impetigo

‘Cloud burst’ means (1) Sowing of seeds of a crop in cloudy weather. (2) Abnormally heavy downpour of rain, associated with a thunderstorm. (3) Formation of artificial rain. (4) Presence of scattered flakes of cloud in the sky.

Description : ‘Cloud burst’ means (1) Sowing of seeds of a crop in cloudy weather. (2) Abnormally heavy downpour of rain, associated with a thunderstorm. (3) Formation of artificial rain. (4) Presence of scattered flakes of cloud in the sky.

Last Answer : Abnormally heavy downpour of rain, associated with a thunderstorm. 

Cloud burst means (1) Formation of artificial rain (2) Abnormally heavy downpour of rain, associated with thunderstorm (3) Presence of scattered flakes of cloud in the sky (4) Sowing of seeds of a crop in a cloudy weather

Description : Cloud burst means (1) Formation of artificial rain (2) Abnormally heavy downpour of rain, associated with thunderstorm (3) Presence of scattered flakes of cloud in the sky (4) Sowing of seeds of a crop in a cloudy weather

Last Answer : Abnormally heavy downpour of rain, associated with thunderstorm

__________ possesses viscoelastic properties. (A) Cork (B) Glass (C) Graphite (D) Rubber

Description : __________ possesses viscoelastic properties. (A) Cork (B) Glass (C) Graphite (D) Rubber

Last Answer : (D) Rubber

Sulphuric acid pickling tanks are lined with (A) Nickel (B) Rubber (C) Aluminium (D) Glass

Description : Sulphuric acid pickling tanks are lined with (A) Nickel (B) Rubber (C) Aluminium (D) Glass

Last Answer : (B) Rubber

Fermenter used in the production of penicillin by deep fermentation process is a __________ lined steel vessel (A) Rubber (B) Monel (C) Glass (D) Nickel

Description : Fermenter used in the production of penicillin by deep fermentation process is a __________ lined steel vessel (A) Rubber (B) Monel (C) Glass (D) Nickel

Last Answer : (C) Glass

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

100% H2SO4 at 30°C can't be stored in a vessel made/lined with (A) Cast iron and high silicon iron (B) Mild steel and stainless steel (C) Aluminium, tin and rubber (D) Teflon, glass and porcelain

Description : 100% H2SO4 at 30°C can't be stored in a vessel made/lined with (A) Cast iron and high silicon iron (B) Mild steel and stainless steel (C) Aluminium, tin and rubber (D) Teflon, glass and porcelain

Last Answer : (C) Aluminium, tin and rubber

Hydrochloric acid is stored in a __________ steel vessel. (A) Lead lined (B) Rubber lined (C) Glass lined (D) Stainless

Description : Hydrochloric acid is stored in a __________ steel vessel. (A) Lead lined (B) Rubber lined (C) Glass lined (D) Stainless

Last Answer : (B) Rubber lined

Which of the following is the most elastic material? (A) Plastic (B) Glass (C) Steel (D) Rubber

Description : Which of the following is the most elastic material? (A) Plastic (B) Glass (C) Steel (D) Rubber

Last Answer : (C) Steel

Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of (A) Cast iron (B) Stainless steel or glass lined vessel (C) Karbate (D) Wrought iron

Description : Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of (A) Cast iron (B) Stainless steel or glass lined vessel (C) Karbate (D) Wrought iron

Last Answer : (B) Stainless steel or glass lined vessel

Brine solution is stored/treated in __________ lined vessels/pipes. (A) Rubber (B) Lead (C) Glass (D) Nickel

Description : Brine solution is stored/treated in __________ lined vessels/pipes. (A) Rubber (B) Lead (C) Glass (D) Nickel

Last Answer : (D) Nickel

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

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

Evaporator used for concentrating tomato juice is made of (A) Nickel (B) Brass (C) Stainless steel-glass lined (D) Cast iron-rubber lined

Description : Evaporator used for concentrating tomato juice is made of (A) Nickel (B) Brass (C) Stainless steel-glass lined (D) Cast iron-rubber lined

Last Answer : (C) Stainless steel-glass lined