Description : High copper amalgam lasts longer than low copper amalgam because of:** A. Increased compressive strength B. Increased corrosion resistance C. High creep D. Increased tensile strength E. Decreased setting expansion
Last Answer : A. Increased compressive strength
Description : Which of the following defects are unlikely to be detected by normal radiographic technique? a) Intergranular corrosion cracking b) Porosity c) Slag d) Lack of penetration
Last Answer : a) Intergranular corrosion cracking
Description : Rough surface/Porosity of porcelain is a result of: A. Lack of compression/ condensation B. Sudden high temperature
Last Answer : A. Lack of compression/ condensation
Description : Paper turns yellowish with age due to the presence of the chemical
Last Answer : lignin.
Description : Give reason: Broken edges of glass have a slight greenish tinge.
Last Answer : Common sand used in the manufacture of glass contains some amount of iron salts. Iron salts give green colour to the glass.
Description : Why are embedded videos suddenly playing in black and white, sometimes with a green tinge?
Last Answer : answer:@glacial Different Q. Update maybe corrupt. Try reloading update and then if that doesn’t work delete Adobe (all of it) and start all over again with fresh Adobe download.
Description : My laptop's screen is acting up and causes any pictures/videos playing on it to have a green/pink tinge on them hence preventing me from viewing the image properly.
Last Answer : answer:I'd guess one of two things, both based on the fact that it clears up when it heats up. One, could be a loose or possibly cracked ribbon cable from the mainboard to the display. You want to open up ... areas on the screen. If you don't mind going into the case, I'd bet you could fix this.
Description : my spruce trees have on overall yellow tinge to them
Last Answer : Need Answer
Description : Smoke has generally blue tinge. It is due to
Last Answer : Smoke has generally blue tinge. It is due to A. scattering B. coagulation C. Brownian motion D. electro-osmosis
Description : What is the meaning of tinge of coldness?
Last Answer : It means that there are slightly lower temperatures in the air.
Description : I will be describing a chemical element. Try to identify it with the fewest number of clues. This chemical element is a silver-white metal, with bluish tinge, capable of taking a high polish. T element ... crust and used to make drink cans. The atomic number of this element is 13. Name t element.
Last Answer : ANSWER: ALUMINUM
Description : A good metallurgical coke should have very low (A) Sulphur & phosphorous content (B) Porosity (C) Fusion point of its ash (D) Hardness & strength
Last Answer : (A) Sulphur & phosphorous content
Description : Coke having higher porosity has (A) Lower bulk density (B) Lower strength (C) Higher reactivity (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : "Micum Index" of a coke is a measure of its (A) Reactivity (B) Porosity (C) Bulk density (D) Hardness & strength
Last Answer : (D) Hardness & strength
Description : Browning of paper in old books is caused by – (1) frequent use (2) lack of aeration (3) collection of dust (4) oxidation of cellulose
Last Answer : (4) oxidation of cellulose Explanation: Foxing is a term describing the age-related spots and browning seen on vintage paper documents such as books, postage stamps, certificates, and so forth. It ... oxidation of cellulose or the effect on certain papers of the oxidation of iron, copper, etc.
Description : Browning of paper in old books is caused by (1) frequent use (2) lack of aeration (3) collection of dust (4) oxidation of cellulose
Last Answer : oxidation of cellulose
Description : What is elasticity in polymers generally related to amount of hydrogen bonding between different subunits number of subunits in the polymer chain its greater tensile strength the synthetic composure?
Last Answer : amount of hydrogen bonding between different subunitsnumber of subunits in the polymer chainits greater tensile strengththe synthetic composure
Description : How does carbon in steel affect the tensile strength?
Last Answer : Need answer
Description : When was tensile strength discovered?
Last Answer : Tensile strength was discovered by Leonardo da vinci in the1800s.
Description : Who discovered tensile strength?
Last Answer : Leonardo da vinci
Description : What is the tensile strength of plastic?
Last Answer : There are multitudes of plastics, and they vary widely in their mechanical properties. It is not possible to assign a tensile strength to "plastic" as there are so many.
Description : Which of the following is/are true? A. Because of its thickness, the tensile strength of a healing wound on the eyelid is much less than one on the thick skin of the back. B. By 2 days, ... strength reaches a plateau by 3 weeks. D. Wounds rarely, if ever, regain the strength of intact tissues.
Last Answer : Answer: BD DISCUSSION: Tensile strength measures load per cross-section area at rupture, whereas burst strength measures load required to break a wound, regardless of dimension. Therefore, skin wounds have ... a slower rate for more than a year. Wounds do not regain the strength of normal tissue
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.
Description : Branched chain polymers compared to linear polymers have higher (A) Density (B) Tensile strength (C) Melting point (D) Degree of irregularity in atomic packing
Last Answer : (D) Degree of irregularity in atomic packing
Description : . In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher (A) Densities (B) Melting point (C) Tensile strength (D) Hardness, rigidity & brittleness
Last Answer : (D) Hardness, rigidity & brittleness
Description : Elastomers are (A) Thermosetting material (B) Exemplified by protein derivatives (C) Having high flexural strength (D) Having very high tensile strength and heat resistance
Last Answer : (C) Having high flexural strength
Description : Vulcanisation of rubber (A) Decreases its tensile strength (B) Increases its ozone & oxygen reactivity (C) Increases its oil & solvent resistance (D) Converts its plasticity into elasticity
Last Answer : (D) Converts its plasticity into elasticity
Description : Branched chair polymers as compared to linear polymers have (A) Higher melting point (B) Higher tensile strength (C) Lower density (D) None of these
Last Answer : (C) Lower density
Description : Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its (A) Tensile strength (B) Chemical resistance (C) Flexibility (D) All (A), (B) & (C)
Last Answer : (C) Flexibility
Description : Vulcanisation of rubber decreases its (A) Tensile strength (B) Resistance to organic solvents (C) Tackiness (D) Working temperature range
Last Answer : (C) Tackiness
Description : Styrene butadiene rubber (SBR) as compared to natural rubber has (A) Poor tensile strength (B) Poorer resistance (C) Greater amount of heat build up heavy loading (D) All (A), (B) and (C)
Description : Which of the following mechanical properties of a material is most structure insensitive? (A) Modulus of elasticity (young's modulus) (B) Toughness (C) Percentage reduction of area (D) Tensile strength
Last Answer : (A) Modulus of elasticity (young's modulus)
Description : Cast iron has (A) Very high tensile strength (B) High ductility (C) High malleability (D) Elastic limit close to ultimate breaking strength
Last Answer : (D) Elastic limit close to ultimate breaking strength
Description : Aluminium as a material of construction suffers from the disadvantage of (A) Very high cost (B) Rather low tensile strength (C) Very low strength to weight ratio (D) Scarce availability
Last Answer : (B) Rather low tensile strength
Description : Copper has very low (A) Malleability (B) Ductility (C) Tensile strength (D) Thermal & electrical conductivity
Last Answer : (C) Tensile strength
Description : Cast irons are generally specified by their (A) Carbon content (B) Tensile strength (C) Hardness (D) Manufacturing process
Last Answer : (B) Tensile strength
Description : Presence of high phosphorous in cast iron increases its (A) Fluidity (B) Melting point (C) Shrinkage (D) Tensile strength
Last Answer : (A) Fluidity
Description : When the steel is subjected to normalising, its __________ decreases. (A) Yield point (B) Ductility (C) Ultimate tensile strength (UTS)
Last Answer : (B) Ductility
Description : Work hardening of a material (A) Decreases its tensile strength (B) Decreases its ductility (C) Increases its ductility (D) Does not affect its ductility
Last Answer : (B) Decreases its ductility
Description : Cast iron has (A) High ductility (B) High malleability (C) Very high tensile strength (D) Its elastic limit very close to ultimate breaking strength
Last Answer : (D) Its elastic limit very close to ultimate breaking strength
Description : Shock resisting steels should possess high (A) Hardness (B) Toughness (C) Tensile strength (D) Wear resistance
Last Answer : (B) Toughness
Description : Plasticisers are added to polymers to improve their (A) Tensile strength (B) Softness & flexibility (C) Acid resistance (D) Alkali resistance
Last Answer : (B) Softness & flexibility
Description : __________ is used for determining the tensile strength of steels. (A) Hydraulic press (B) Universal testing machine (C) Mechanical press (D) None of these
Last Answer : (B) Universal testing machine
Description : Steel rods are used in reinforced concrete to increase its __________ strength. (A) Shear (B) Tensile (C) Compressive (D) None of these
Last Answer : (B) Tensile
Description : Manganese in steel affects its (A) Ductility (B) Tensile strength (C) Hardness (D) None of these
Description : Which one has the maximum tensile strength out of the following? (A) Nodular cast iron (B) Pig iron (C) White cast iron (D) Grey cast iron
Last Answer : (A) Nodular cast iron
Description : Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its (A) Corrosion resistance (B) Tensile strength (C) Machinability (D) Compressive strength
Last Answer : (C) Machinability
Description : With increase in the carbon percentage in the steel, its (A) Hardness increases (B) Ductility reduces (C) Tensile strength increases (D) All (A), (B) and (C)