Fibre glass (A) Retains heat-longer (B) Has a higher strength to weight ratio (C) Is shock proof and fire retardant (D) All the above

Fibre glass
(A) Retains heat-longer
(B) Has a higher strength to weight ratio
(C) Is shock proof and fire retardant
(D) All the above
by

1 Answer

Answer :

Answer: Option D
by

Related questions

Which fiber is used to make fire retardant cloth ?

Last Answer : Glass fiber is used.

What material is a natural Fire retardant ?

Description : What material is a natural Fire retardant ?

Last Answer : There are two main types of fire retardant material that are used in clothing. Those materials are nomex and cotton. These materials prevent the fire from spreading or melting, so once the material is burned up the fire dies.

Main use of hydrazine is (A) As a rocket fuel (B) In water treatment (C) As a disinfectant (D) As fire retardant

Description : Main use of hydrazine is (A) As a rocket fuel (B) In water treatment (C) As a disinfectant (D) As fire retardant

Last Answer : (A) As a rocket fuel

A mixture of chlorine & sodium bromide acts as a/an (A) Insecticides (B) Analgesic drug (C) Fire retardant (D) Hydrogenation catalyst

Description : A mixture of chlorine & sodium bromide acts as a/an (A) Insecticides (B) Analgesic drug (C) Fire retardant (D) Hydrogenation catalyst

Last Answer : (C) Fire retardant

Granite is not suitable for ordinary building purpose because (A) It cannot be polished (B) It is not a fire proof material (C) It is costly (D) It has less crushing strength

Description : Granite is not suitable for ordinary building purpose because (A) It cannot be polished (B) It is not a fire proof material (C) It is costly (D) It has less crushing strength

Last Answer : Answer: Option C

The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit

Description : The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit

Last Answer : (A) Liquid limit

Asbestos (A) Is an excellent insulator for heat and electricity (B) Is fire-proof and acid proof (C) Has sp. gravity equal to 3.10 (D) All the abo

Description : Asbestos (A) Is an excellent insulator for heat and electricity (B) Is fire-proof and acid proof (C) Has sp. gravity equal to 3.10 (D) All the abo

Last Answer : Answer: Option D

The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is (A) 51.5 (B) 52.5 (C) 53.5 (D) 54.5

Description : The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is (A) 51.5 (B) 52.5 (C) 53.5 (D) 54.5

Last Answer : Answer: Option C

The advantage of the silicone in soft relining material over ….. rubber is, A. Retains high flow B. Prevents the colonization of Candida albicans C. Resilient in long run D. Better bond strength

Description : The advantage of the silicone in soft relining material over ….. rubber is, A. Retains high flow B. Prevents the colonization of Candida albicans C. Resilient in long run D. Better bond strength

Last Answer : C. Resilient in long run

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material? (A) Steel (B) Glass (C) Rubber (D) Brass

Description : A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material? (A) Steel (B) Glass (C) Rubber (D) Brass

Last Answer : Option A

Consider the following statements Fibre saturation point in wood is reached when 1. Free water is removed 2. Cell water is removed 3. Shrinkage of wood is rapid 4. Strength gain is rapid Which of these statements are correct? (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 4 only (d) 1, 3 and 4

Description : Consider the following statements Fibre saturation point in wood is reached when 1. Free water is removed 2. Cell water is removed 3. Shrinkage of wood is rapid 4. Strength gain is rapid Which of these statements are correct? (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 4 only (d) 1, 3 and 4

Last Answer : (d) 1, 3 and 4

Pick up the correct statement from the following: (A) Plastics have generally low melting point (B) The coefficient of thermal expansion of plastics is about three times than that of steel (C) The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67 (D) All the above

Description : Pick up the correct statement from the following: (A) Plastics have generally low melting point (B) The coefficient of thermal expansion of plastics is about three times than that of steel (C) ... fibre-glass with phenolic resins has absorption coefficient of about 0.67 (D) All the above

Last Answer : Answer: Option D

Asbestos is (A) Corrugated sheet used for roofing (B) An incombustible fire proof material (C) An organic substance (D) All the above

Description : Asbestos is (A) Corrugated sheet used for roofing (B) An incombustible fire proof material (C) An organic substance (D) All the above

Last Answer : Answer: Option D

Mastic asphalt is (A) Water proof (B) Fire proof (C) Elastic (D) All the above

Description : Mastic asphalt is (A) Water proof (B) Fire proof (C) Elastic (D) All the above

Last Answer : Answer: Option D

What retains heat energy from the sun in atmosphere?

Description : What retains heat energy from the sun in atmosphere?

Last Answer : Carbon dioxide

Are there any curtains that are flame retardant?

Description : Are there any curtains that are flame retardant?

Last Answer : Yes, most department stores offer curtains made of flame resistant materials.

is this flame retardant?

Description : is this flame retardant?

Last Answer : All the metal components should withstand extreme heat; as for the foam seat cushion, I wouldn't expect much.

Growth retardant type antitranspirents is

Description : Growth retardant type antitranspirents is

Last Answer : Ans.Cycocel (CCC) (VIII) Weed Management

ick up the incorrect statement from the following: (A) Admixtures accelerate hydration (B) Admixtures make concrete water proof (C) Admixtures make concrete acid proof (D) Admixtures give high strength

Description : ick up the incorrect statement from the following: (A) Admixtures accelerate hydration (B) Admixtures make concrete water proof (C) Admixtures make concrete acid proof (D) Admixtures give high strength

Last Answer : Answer: Option A

Characteristic strength of steel has been defined as [ A ] 0.1 % proof stress [ B ] 0.2 % proof stress [ C ] 0.4 % proof stress [ D ] Equal to proof stress

Description : Characteristic strength of steel has been defined as [ A ] 0.1 % proof stress [ B ] 0.2 % proof stress [ C ] 0.4 % proof stress [ D ] Equal to proof stress

Last Answer : [ B ] 0.2 % proof stress

A higher modular ratio shows (A) Higher compressive strength of concrete (B) Lower compressive strength of concrete (C) Higher tensile strength of steel (D) Lower tensile strength of steel

Description : A higher modular ratio shows (A) Higher compressive strength of concrete (B) Lower compressive strength of concrete (C) Higher tensile strength of steel (D) Lower tensile strength of steel

Last Answer : Answer: Option B

Bullet proof glass is made of thick glass sheet sandwiched by a layer of (A) Steel (B) Stainless steel (C) High test plastic (D) Chromium plate

Description : Bullet proof glass is made of thick glass sheet sandwiched by a layer of (A) Steel (B) Stainless steel (C) High test plastic (D) Chromium plate

Last Answer : Answer: Option C

.In regard to the glass of quartz particles of filling restorative resin; the microfill resins tend to have, A. A higher coefficient of thermal expansion and a higher crashing strength B. A higher coefficient of thermal expansion and a lower crashing strength C. A lower coefficient of thermal expansion and a higher crashing strength D. A lower coefficient of thermal expansion and a lower crashing strength

Description : .In regard to the glass of quartz particles of filling restorative resin; the microfill resins tend to have, A. A higher coefficient of thermal expansion and a higher crashing strength B. ... and a higher crashing strength D. A lower coefficient of thermal expansion and a lower crashing strength

Last Answer : B. A higher coefficient of thermal expansion and a lower crashing strength

Which stage of shock is best described as that stage when the mechanisms that regulate blood pressure fail to sustain a systolic pressure above 90 mm Hg? a) Progressive In the progressive stage of shock, the mechanisms that regulate blood pressure can no longer compensate, and the mean arterial pressure falls below normal limits. b) Refractory The refractory or irreversible stage of shock represents the point at which organ damage is so severe that the patient does not respond to treatment and cannot survive.

Description : Which stage of shock is best described as that stage when the mechanisms that regulate blood pressure fail to sustain a systolic pressure above 90 mm Hg? a) Progressive In the progressive stage of ... which organ damage is so severe that the patient does not respond to treatment and cannot survive.

Last Answer : a) Progressive In the progressive stage of shock, the mechanisms that regulate blood pressure can no longer compensate, and the mean arterial pressure falls below normal limits.

High ash coals (A) Are soft & friable (poor strength and size stability) (B) Require longer time of carbonisation as ash offers resistance to heat transfer (C) Produce larger quantity of coke oven gas (D) None of these

Description : High ash coals (A) Are soft & friable (poor strength and size stability) (B) Require longer time of carbonisation as ash offers resistance to heat transfer (C) Produce larger quantity of coke oven gas (D) None of these

Last Answer : (A) Are soft & friable (poor strength and size stability)

Pick up correct statement from the following: (A) Fibre boards are used for thermal and acoustic control (B) Fibre boards are used for light weight standing members (C) Fibre boards are obtained by impregnating a resin product on fibres (D) All the above

Description : Pick up correct statement from the following: (A) Fibre boards are used for thermal and acoustic control (B) Fibre boards are used for light weight standing members (C) Fibre boards are obtained by impregnating a resin product on fibres (D) All the above

Last Answer : Answer: Option D

If n is the ratio of internal and external diameters of a hollow shaft, the ratio of the weight of the hollow shaft and that of solid shaft of same strength, will be (A) (1 - n²)/(1 - n²)1/2 (B) (1 - n²)/(1 - n 4 )2/3 (C) (1 + n 3 )/(1 + n 4 )1/2 (D) (1 + n 1 )/(1 + n 4 )2/3

Description : If n is the ratio of internal and external diameters of a hollow shaft, the ratio of the weight of the  hollow shaft and that of solid shaft of same strength, will be  (A) (1 - n²)/(1 - n²)1/2 (B) (1 - n²)/(1 - n 4 ... (1 + n 4 )1/2 (D) (1 + n 1 )/(1 + n 4 )2/3

Last Answer : (B) (1 - n²)/(1 - n 4 )2/3

Plywood has the advantage of (A) Greater tensile strength in longer direction (B) Greater tensile strength in shorter direction (C) Same tensile strength in all directions (D) None of the above

Description : Plywood has the advantage of (A) Greater tensile strength in longer direction (B) Greater tensile strength in shorter direction (C) Same tensile strength in all directions (D) None of the above

Last Answer : Answer: Option C

The words in the passage that suggest there was a blast include (1) fire, heat, confusion, overturned and chaos. (2) blazed, dazed, heroic, succumbed and paralysis. (3) broken glass, cuts, bruises and sycamores. (4) rescue, quadrangle, altruism, trigger and heat.

Description : The words in the passage that suggest there was a blast include (1) fire, heat, confusion, overturned and chaos. (2) blazed, dazed, heroic, succumbed and paralysis. (3) broken glass, cuts, bruises and sycamores. (4) rescue, quadrangle, altruism, trigger and heat.

Last Answer : (1) fire, heat, confusion, overturned and chaos

The passage describes (1) the heat and smoke that was generated by the sudden fire. (2) the effect of the blast on unsuspecting hotel guests. (3) the loss of crockery glass and bodies in the accident. (4) the layout

Description : The passage describes (1) the heat and smoke that was generated by the sudden fire. (2) the effect of the blast on unsuspecting hotel guests. (3) the loss of crockery glass and bodies in the accident. (4) the layout

Last Answer : (2) the effect of the blast on unsuspecting hotel guests.

Higher concentration of CO2 in atmosphere (A) Allows visible solar radiation (ultraviolet) of short wave-length to pass through (B) Reflects and absorbs the longer wavelength (infra-red) radiations (C) Prevents solar heat being radiated out completely, resulting in 'heat trap' i.e., global warming (D) All (A), (B) and (C)

Description : Higher concentration of CO2 in atmosphere (A) Allows visible solar radiation (ultraviolet) of short wave-length to pass through (B) Reflects and absorbs the longer wavelength (infra-red) radiations (C) Prevents solar heat being ... in 'heat trap' i.e., global warming (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The removal of paint from electrical equipment, such as generators, should be cautiously undertaken because ____________. A. the mechanical shock of paint removal lessens the dielectric strength of the insulation B. the paint dust is composed of abrasive and semi-conducting materials which impair insulation C. paint dust buildup has a tendency to cause corrosion D. phase windings frequently become isolated from each other due to dust interference at the terminals

Description : The removal of paint from electrical equipment, such as generators, should be cautiously undertaken because ____________. A. the mechanical shock of paint removal lessens the dielectric strength ... phase windings frequently become isolated from each other due to dust interference at the terminals

Last Answer : Answer: B

Cast iron has very high (A) Compressive strength (B) Ductility (C) Shock resistance (D) Resistance to brittleness

Description : Cast iron has very high (A) Compressive strength (B) Ductility (C) Shock resistance (D) Resistance to brittleness

Last Answer : (A) Compressive strength

Shock resisting steels should possess high (A) Hardness (B) Toughness (C) Tensile strength (D) Wear resistance

Description : Shock resisting steels should possess high (A) Hardness (B) Toughness (C) Tensile strength (D) Wear resistance

Last Answer : (B) Toughness

Cast iron is (A) Used for making shock resisting parts (B) Manufactured in cupola and is brittle (C) Having compressive strength more than its tensile strength(D) All (A), (B) & (C)

Description : Cast iron is (A) Used for making shock resisting parts (B) Manufactured in cupola and is brittle (C) Having compressive strength more than its tensile strength (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Detrimental property of a material for shock load applications (a) High density (b) Low toughness (c) High strength (d) Low hardness

Description : Detrimental property of a material for shock load applications (a) High density (b) Low toughness (c) High strength (d) Low hardness  

Last Answer : (b) Low toughness

Specific strength of materials is very high when they are in fibre size but lower when they are in bar form Why ?

Description : Specific strength of materials is very high when they are in fibre size but lower when they are in bar form Why ?

Last Answer : Crystal structure has ordered, repeating arrangement of atoms. Fibres are liable to maintain this and thus have high specific strength. As size increases, the condition of ordered and repeating ... because of several types of defects and dislocations and thus the specific strength gets lower.

Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre. (A) Electrical resistance (B) Thermal conductivity (C) Strength (D) None of these

Description : Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre. (A) Electrical resistance (B) Thermal conductivity (C) Strength (D) None of these

Last Answer : (A) Electrical resistance

The following are true about an action potential in a nerve fibre: a. it occurs when its membrane potential is hyperpolarized b. it is associated with a transient increase in membrane permeability to sodium c. there is a decreased in membrane permeability to potassium d. it has an amplitude which varies directly to the strength of stimulus

Description : The following are true about an action potential in a nerve fibre: a. it occurs when its membrane potential is hyperpolarized b. it is associated with a transient increase in membrane ... permeability to potassium d. it has an amplitude which varies directly to the strength of stimulus

Last Answer : there is a decreased in membrane permeability to potassium

Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate number (C) Bagasse fibre contains both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Description : Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms ... both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Last Answer : (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Specific Strength Of Materials Is Very High When They Are In Fibre Size But Lower When They Are In Bar Form - Why?

Description : Specific Strength Of Materials Is Very High When They Are In Fibre Size But Lower When They Are In Bar Form - Why?

Last Answer : The crystal structure has ordered, repeating arrangement of atoms. Fibers are liable to maintain this and thus have high specific strength. As for size increases, the condition of ordered and ... because of several types of defects and dislocations, and thus the specific strength gets lower.

Which of the following is not a primary essential property of a fibre? a. Flexibility b. Tensile strength c. Absorbency d. Cohesiveness

Description : Which of the following is not a primary essential property of a fibre? a. Flexibility b. Tensile strength c. Absorbency d. Cohesiveness

Last Answer : c. Absorbency

A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to (A) 10 % (B) 15 % (C) 20 % (D) 25 %

Description : A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to (A) 10 % (B) 15 % (C) 20 % (D) 25 %

Last Answer : Answer: Option C

Select the incorrect statement [ A ] R.C.C has better fire resistance than steel [ B ] R.C.C. structure is economical than steel structure [ C ] Strength of concrete decreases as age increases [ D ] R.C.C can be used for under water and marine structures

Description : Select the incorrect statement [ A ] R.C.C has better fire resistance than steel [ B ] R.C.C. structure is economical than steel structure [ C ] Strength of concrete decreases as age increases [ D ] R.C.C can be used for under water and marine structures

Last Answer : [ C ] Strength of concrete decreases as age increases

Which type of glass is used for making glass reinforced plastic? (1) Pyrex glass (2) Flint glass (3) Quartz glass (4) Fibre glass

Description : Which type of glass is used for making glass reinforced plastic? (1) Pyrex glass (2) Flint glass (3) Quartz glass (4) Fibre glass

Last Answer : (4) Fibre glass Explanation: Fiberglass is a lightweight, extremely strong, and robust material. Although strength properties are somewhat lower than carbon fiber and it is less stiff, the material ... also very favorable when compared to metals, and it can be easily formed using molding processes.

Which of the following is the most widely used insulating material for steam carrying pipelines? (A) Ceramic fibre blanket (B) Glass wool and 85% magnesia (C) Vermiculite (D) Slag wool

Description : Which of the following is the most widely used insulating material for steam carrying pipelines? (A) Ceramic fibre blanket (B) Glass wool and 85% magnesia (C) Vermiculite (D) Slag wool

Last Answer : (B) Glass wool and 85% magnesia

Choose the optical fibre material from the given materials. a) Glass b) Plastic c) Silica d) Quartz

Description : Choose the optical fibre material from the given materials. a) Glass b) Plastic c) Silica d) Quartz

Last Answer : c) Silica

Pick out the correct statement. (A) Noise from ball mills can be dealt with by fibre glass lined enclosures (B) Noise from vibrating chutes can be reduced by lining the metallic chute with rubber (C) Noise of conveyor belt system is reduced by using urethane coated cloth conveyor belts and rubber/plastic covered metallic rollers (D) All (A), (B) & (C)

Description : Pick out the correct statement. (A) Noise from ball mills can be dealt with by fibre glass lined enclosures (B) Noise from vibrating chutes can be reduced by lining the metallic chute with rubber (C) Noise ... cloth conveyor belts and rubber/plastic covered metallic rollers (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)