Description : Copper as conductor for cables is used as (a) annealed (b) hardened and tempered (c) hard drawn (d) alloy with chromium
Last Answer : (a) annealed
Description : To obtain softness and ductility, metals art a) tempered b) hardened c) enamelled d) hard faced
Last Answer : b) hardened
Description : Conditioners like finely divided peat are added to the fertiliser to (A) Counteract burning (B) Avoid caking & hardening (C) Produce bulk (D) Increase its solubility
Last Answer : (B) Avoid caking & hardening
Description : Sub zero treatment of steel is done to (A) Suppress martensite transformation (B) Enhance its working performance in sub zero atmosphere (C) Reduce the retained austenite in hardened steel (D) Induce temper brittleness after its hardening
Last Answer : Option C
Description : __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. (A) Solid solution hardening (B) Screw dislocation (C) Strain ageing (D) Twinning
Last Answer : (C) Strain ageing
Description : In cold working of metal as compared to its hot working (A) Cracks and blow holes are eliminated (B) Ductility and impact strength improves (C) Appreciable strain hardening is produced (D) Yield stress, hardness and fatigue strength is not at all affected
Last Answer : (C) Appreciable strain hardening is produced
Description : Strain hardening effect in metals subjected to cold working is due to the __________ mechanism. (A) Slip (B) Fracture (C) Winning (D) Dislocation
Last Answer : (D) Dislocation
Description : Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism. (A) Fracture (B) Dislocation (C) Slip (D) Twinning
Last Answer : (C) Slip
Description : Wrought metal is to be, A. Marble B. Quenched C. Subjected /undergone/ to cold treatment during processing (annealed)
Last Answer : C. Subjected /undergone/ to cold treatment during processing (annealed)
Description : Pick out the wrong statement about the machinability of metals. Machinability of a metal (A) Decreases with increase in strain hardening tendencies (B) Decreases with increase in hardness, in general (C) Depend on the composition, microstructure and physical & mechanical
Description : Between 230 and 370°C, blue brittleness is caused in mild steel because of the (A) Immobility of dislocation (B) Strain-ageing (C) Increase in Young's modulus (D) Strain hardening
Last Answer : Option B
Description : What is orthogonal and normalised wave function?
Last Answer : Need answer
Description : How long does it take when you quit smoking to stop being irritable and bad tempered?
Last Answer : Perhaps you would benefit from creating the half-habit of not smoking. My mother-in-law put three cigarettes in an ashtray every morning, and for every one she didn't smoke at the end of the day, she took ... cold turkey, it seems to take about 30 days for it to kick in. It is okay to be irritable.
Description : What is round and bad-tempered?
Last Answer : A lazy old teacher
Description : The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element. (A) Silicon (B) Carbon (C) Phosphorous (D) Chromium
Description : Coal is formed from – (1) crude oil (2) deposit of animal waste (3) coke (4) compressed and hardened biomass
Last Answer : (4) compressed and hardened biomass Explanation: A fossil fuel, coal forms when dead plant matter is converted into peat, which in turn is converted into lignite, then subbituminous coal, ... lastly anthracite: This involves biological and geological processes that take place over a long period.
Description : Coal is formed from (1) crude oil (2) deposit of animal waste (3) coke (4) compressed and hardened biomass
Last Answer : compressed and hardened biomass
Description : Why should glass articles be annealed?
Last Answer : If glass articles are allowed to cool rapidly, glass being bad conductor of heat, the superficial layer cools down first leaving the interior portion in a state of strain. Due to this unequal expansion, the articles are likely to crack into pieces.
Description : Annealed copper is used in A. Low voltage cables B. Flexible wires C. Machine windings D. All of the above.
Last Answer : Annealed copper is used in A. Low voltage cables B. Flexible wires C. Machine windings D. All of the above.
Description : Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) (A) Do not require heat treatment for any of its applications (B) Are used for leaf and coiled springs (C) Do not have good resilience properties (D) Is tempered at 850°C
Last Answer : (B) Are used for leaf and coiled springs
Description : Cold worked steel parts are normally subjected to (A) Normalising (B) Hardening (C) Annealing (D) Shot peening
Last Answer : (C) Annealing
Description : The increase in hardness of metal due to its cold working is termed as the __________ hardening. (A) Work (B) Age (C) Induction (D) Flame
Last Answer : (A) Work
Description : Cold working of a material results in increase in hardness, which is termed as the __________ hardening. (A) Cold (B) Work (C) Age (D) Induction
Last Answer : (B) Work
Description : Globular form of cementite is formed during the __________ process. (A) Spheroidising (B) Hardening (C) Annealing (D) Normalising
Last Answer : (B) Hardening
Description : Is pyrex just tempered glass, or is there anything else in it?
Last Answer : The heat resistant quality
Description : We have a 3/8" thick glass coffee table top which we want to shorten. We are told if the glass is tempered- no can do. True any way to tell if a piece of glassis tempered?
Last Answer : You can not cut tempered glass because once a piece is broken the whole glass shatters. Tempered glass is safer because it breaks into tiny pieces rather than sharp edges like regular glass. The ... stress waves. You will see stress waves in tempered glass verses regular glass. Hope this helps.
Description : is it possible to laser cut tempered glass?
Last Answer : Tempered glass is "baked" after it has been cut to size, so generally speaking unless it is not of high quality, it would not be possible to cut the glass because it would just break instead of cutting.
Description : Does the iPhone 11 Pro need tempered glass?
Last Answer : Yes, a screen protector can protect your phone screen from scratches, and the best screen protector can give the best touching experience to you. Also, a screen protector can reduce the damage to the ... for iphone 11 pro for your reference: Amazon.com: https://www.amazon.com/dp/B07VD5FH74/
Description : The scientist was always _____; now he became furious. (a) patient (b) quick-tempered (c) calm (d) none of the above
Last Answer : (b) quick-tempered
Description : Tempered safety glass is how many times stronger than regular glass a) 1 to 3 times stronger b) 5 to 10 times stronger c) 3 to 5 times stronger
Last Answer : b) 5 to 10 times stronger
Description : A hardened steel essentially contains (A) Sorbite (B) Troostite (C) Martensite (D) None of these
Last Answer : (C) Martensite
Description : Which of the following heat treatment processes is used for softening the hardened material? (A) Normalising (B) Tempering (C) Annealing (D) None of these
Last Answer : (B) Tempering
Description : Lead (A) Is the hardest metal in common use (B) Is the lightest metal in common use (C) Cannot be scratched by finger nails (D) Cannot be work hardened
Last Answer : (D) Cannot be work hardened
Description : Hardened steel is softened by (A) Normalising (B) Tempering (C) Annealing (D) Carburising
Description : Softening of hardened steel is done by its (A) Normalising (B) Tempering (C) Annealing (D) Carburising
Description : _________ is the hardest material out of the following. (A) Boron carbide (B) Tungsten carbide (C) Hardened steel (D) Silicon carbide
Last Answer : (A) Boron carbide
Last Answer : (A) Normalising
Description : Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part? (A) Anodising (B) Tempering (C) Carburising
Description : Pick out the wrong statement. (A) Lead can creep under its own weight at room temperature (B) The electrical conductivity of gold is considerably reduced by alloying additions due to ... metal (D) With increase in temperature, the electrical conductivity of intrinsic semi-conductor will increase
Last Answer : (C) Recrystallisation temperature decreases with decrease in strain in a cold worked metal
Description : Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when (A) Strain rate is increased (B) Grain size is increased (C) Prior cold deformation is increased (D) Not affected by any of the above parameters
Last Answer : (A) Strain rate is increased
Description : Pick out the wrong statement. (A) Cold cracking of a weld is due to the presence of hydrogen gas in the weld (B) True stress is given by, σ = σE (1 + εE), where σE and εE ... in the iron blast furnace (D) High residual stress at the surface is beneficial for fatigue properties of a material
Description : What can I do to counteract too much sugar in my body?
Last Answer : I would think that eating carby foods like pastas and breads may help that. Drinking a lot of water also might help to flush it out.
Description : Are there any kinds of drinks that can counteract the effect of antibiotics?
Last Answer : Anything with alcohol in it. Depending on the tablet milk can slow the rate of absorption
Description : Has anyone tried any herbal suppliments that counteract anxiety?
Last Answer : answer:If you have a serious anxiety disorder, herbal supplements probably will not be sufficient. Chamomile tea is calming for mild anxiety situations. There are others: Kava Kava, Valerian and more. ... , you might want to see a naturopath or a credentialed herbalist. Herbs are medications too.
Description : Which popular Sufi Silsilah tried to counteract the liberal religious policy of Akbar? -Do You Know?
Last Answer : D) Naqshbandi
Description : What is neutron moderation is used to counteract what?
Last Answer : the minimal chance that newly formed neutrons of a fission reaction are absorbed by more atoms. (apex)
Description : How can I counteract nerve pain in my leg?
Last Answer : When having nerve pain in your leg, it is first important to see a doctor about the cause of the condition. For treating pain, pain medication and cold compresses are often used to help numb pain.
Description : The purpose of the capacitor within component 'B' of the circuit shown in the illustration is to ____________. EL-0081 A. prolong the life of the component's contacts B. discharge the neon within ... the inductive reactance in the circuit D. store power to operate the circuit should 'D' open
Last Answer : Answer: A