Which of the following terminology is used for the temperature at which new grains are formed in a metal?
(A) Eutectic temperature
(B) Lower critical temperature
(C) Recrystallisation temperature
(D) Upper critical temperature

1 Answer

Answer :

Recrystallisation temperature

Related questions

Description : The temperature at which new grains are formed in the metal is called the __________ temperature. (A) Eutectic (B) Recrystallisation (C) Upper critical (D) Lower critical

Last Answer : (B) Recrystallisation

Description : Pick out the wrong statement. (A) The toughness of a material decreases, when it is heated (B) Crane hooks are normally made of wrought iron (C) Cold working of a metal decreases its ... (D) The temperature at which new grains are formed in a metal is known as the recrystallisation temperature

Last Answer : (C) Cold working of a metal decreases its fatigue strength

Description : The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the (A) Critical point (B) Curie temperature (C) Inversion temperature (D) Eutectic temperature

Last Answer : (B) Curie temperature

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 : Which of the following is not used as a medium for high temperature heating ? (A) Dowtherm (B) Mercury (C) Liquid metal (e.g. molten sodium) (D) Fused salts (e.g., an eutectic mixture of 53% KNO3 , 40% NaNO2and 7% NaNO3 )

Last Answer : (B) Mercury

Description : At __________ point, all the three phases (i.e. solid, liquid and gas) co exist. (A) Eutectic (B) Triple (C) Plait (D) Critical

Last Answer : (B) Triple

Description : Pick out the wrong statement. (A) Tin can be readily and very easily drawn into very fine wire (B) Tin can be severely cold worked without the necessity of annealing due to its low recrystallisation temperature (C) Tin exists in two allotropic forms

Last Answer : (A) Tin can be readily and very easily drawn into very fine wire

Description : While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ × Tm (where, Tm Melting temperature). (A) 0.25 (B) 0.45 (C) 0.70 (D) 0.95

Last Answer : (C) 0.70

Description : Recrystallisation temperature of steel is __________ °C. (A) 50 (B) 300 (C) 500 (D) 800

Last Answer : (D) 800

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 : The temperature at the eutectic point of the system is the __________ temperature that can be attained in the system. (A) Lowest (B) Highest (C) Average (D) None of these

Last Answer : (A) Lowest

Description : Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C. (A) 723 (B) 959 (C) 1147 (D) 1493

Last Answer : Option A

Description : Which of the following is NOT closely associated with a non-magnetic Phase Diagram? w) Eutectic Temperature (pron: you-tek-tik) x) Curie Point y) Solidus z) Liquidus Curves

Last Answer : ANSWER: X -- CURIE POINT

Description : Which of the following phenomenon/ phenomena is/are diffusion controlled? (A) Dislocation climb (B) Cross-slip (C) Twinning (D) Recrystallisation

Last Answer : (D) Recrystallisation

Description : Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called (A) Tempering (B) Hardening (C) Annealing (D) Normalising

Last Answer : Option C

Description : an eutectic system, two elements are completely (A) Soluble in solid state (B) Insoluble in liquid state (C) Insoluble in both solid & liquid state (D) Soluble in liquid state

Last Answer : Option D

Description : belt of silk runs over two metal pulleys, one of which is surrounded by a hollow metal sphere. Two electrodes, in the form of comb-shaped rows of sharp metal points, are positioned ... potential is applied to the upper pulley. A simple version of which equipment is being described here?

Last Answer : Van de Graaff generator.

Description : Newton's rings are formed because of interference between the light Reflected from (a) Upper surface of Plano-convex lens and lower surface of plane glass plate (b) Lower surface of Plano-convex ... c) Lower and upper surface of Plano-convex (d) Lower and upper surfaces of plane glass plate

Last Answer : (b) Lower surface of Plano-convex lens and upper surface of plane glass plate

Description : Which of the following is used as base material in Stereolithography (SLA) process? a.Thermoplastics , Metals powders b.Thermoplastics , Eutectic metals. c.Titanium alloys d.Photopolymer

Last Answer : d.Photopolymer

Description : What is eutectic ?

Last Answer : Eutectic Greek word. The word eutectic means Easy Melting . Eutectic is an alloy in an alloy series that freezes and melts at a certain temperature, and the two metals in the internal structure are stratified in a stratified form. That is, it does not dissolve under difficult conditions.

Description : Explain the terms solid solution, eutectic, eutectoid and peritectic.

Last Answer : Solid Solution. When a homogeneous mixture of two (or more) atomic forms exists in solid state, it is known as solid solution. Eutectic. A mixture of two (or more) phases which solidify ... a different and new solid phase. This three phase transformation occurs at a point called peritectic point.

Description : Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which (A) A homogeneous solution (say of phenol water) is ... a decreasing trend (C) Two liquids are completely separated into two layers (D) None of these

Last Answer : (A) A homogeneous solution (say of phenol water) is formed

Description : In process control terminology values which can change without distinct increments, such as temperature, pressure, or level are called ____________. A. binary values B. digital values C. bumpless values D. analog values

Last Answer : Answer: D

Description : Consider the following statements about pollination. 1. Transfer of pollen grains from the anther to ovules in the same flower or a different f lower is called pollination. 2. The pollination by wind is called anemophily. 3. Pollination is a ... 1 and 3 (b) 1, 2 and 4 (c) Only 2 (d) 1, 2, 3 and 4

Last Answer : Ans:(c)

Description : Expert power is the power that comes from the amount of knowledge a person has obtained in  a specific area. This type ofpower is: 1. Critical to a project manager because the PM has to have ... by the PM because the PM cannot stay current on all areas of  expertise and also manage the project

Last Answer : 4. Used sparingly if at all by the PM because the PM cannot stay current on all areas of  expertise and also manage the project

Description : In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.

Last Answer : (a) cellular totipotency

Description : In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the ... pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.

Last Answer : (c) the microsporangium in which pollen grains develop

Description : Pick up the correct statement from the following: (A) Sand consists of coarse particles of silica formed due to the disintegration of rocks (B) The grains of sand are not affected by frost (C) Sand ... and do not allow water to rise up between pores due to capillary action (D) All the above

Last Answer : Answer: Option D

Description : The terminology used for the bottom most product from the vacuum crude distillation unit is (A) Residual crude (B) Residuum (C) Reduced crude (D) Petrolatum

Last Answer : (B) Residuum

Description : Which of the following terminology is not used for size reduction of materials to fine sizes or powders? (A) Comminution (B) Dispersion (C) Pulverisation (D) Compression

Last Answer : (D) Compression

Description : Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when (A) Extracting solvent is cheaply & abundantly available ... very high (D) One of the liquid components has very high affinity towards the solvent

Last Answer : (D) One of the liquid components has very high affinity towards the solvent

Description : Massecuite is a terminology used in the __________ industry. (A) Paint (B) Oil hydrogenation (C) Soap (D) Sugar

Last Answer : (D) Sugar

Description : The terminology 'BTX' used in coal tar distillation industry refers to (A) Benzol-toluol-xylol (B) Benzol-toluene-xylene (C) Benzene-toluol-xylol (D) Benzene-toluene-xylene

Last Answer : (D) Benzene-toluene-xylene

Description : Highly reactive coke have lower (A) Porosity (B) Coke reactivity index (CRI) (C) Critical air blast (CAB) value (D) Both (B) and (C)

Last Answer : (C) Critical air blast (CAB) value

Description : What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m2. °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively. (A) 2 (B) 8 (C) 10 (D) 40

Last Answer : (A) 2

Description : Pick out the wrong statement. (A) Copper is the metal having the highest electronic conductivity (B) Hardenability & Weldability of metals are inversely related (C) Covalent bonding formed by ... all semiconductor materials (D) Glass transition temperature applies to 'polymers' but not to 'glasses'

Last Answer : Option A

Description : What is the most important factor for the growth of pests in stored grains? (a) The moisture of grains (b) The temperature of grains (c) The moisture and temperature of grains (d) None of the above

Last Answer : Ans:(c)

Description : Pollen grains can be stored for several years in liquid nitrogen having a temperature of (a) –120°C (b) –80°C (c) –196°C (d) –160°C

Last Answer : (c) –196°C

Description : Pollen grains can be stored for several years in liquid nitrogen having a temperature of (1) –120°C (2) –80°C (3) –196°C (4) –160°C

Last Answer : (3) –196°C

Description : What is the synonym for the computer terminology blank cell?

Last Answer : (Null) was what I thought.

Description : Why change the terminology from Global Warming, to Climate Change?

Last Answer : Because everything isn’t just about “warming”. It’s about drastic changes, like hurricanes, odd weather patters, hotter summers and harsher winters. Hope this helps! -Cassandra xoxo

Description : What is your preferred terminology for people whose brains work differently?

Last Answer : answer:Mental disorder means there can be order. It’s just in disarray (my words). Mental illness reads likes sickness, disease, of which there may or may not be a cure – but I aint sticking around to find out if you’ve found one. So I’ll go for mental disorder.

Description : What's your secret terminology for talking about marijuana?

Last Answer : answer:I don't use secret talk, I am very open about my enjoyment of the occasional Happy Brownie.' lol I was a 70's girl that has just returned to enjoying some baked goods this past year or two. ... those Brownies nothing beats the 3 B's .Brownies, bubbles in the hot tub and bedtime. Bliss. :-)

Description : Teen girls' wardrobe terminology: what do you call those things?

Last Answer : answer:The first one you're talking about might be a cropped hoodie, which come in many varying styles - but the short ones are all cropped. The second thing you're talking about just sounds like ... always made of a cotton-spandex mix. As for that particular hairstyle, spiky bun - again and again.

Description : What is the correct terminology to describe a first cousins' child, second cousin maybe?

Last Answer : I believe they would be your first cousin once removed.

Description : Why is that people feel the need to change the terminology to define a group of people?

Last Answer : Political correctness run amuck!

Description : Horse Race Training- What is the terminology?

Last Answer : I’ve heard it referred to as “galloping,” but other than that I don’t think there is any real definitive terminology for the morning workout. And typically, the trainer/conditioner/clocker is the one standing off-track with the stopwatch.

Description : Real estate terminology question?

Last Answer : It sounds like yet another way to suck money from the gullible.

Description : What is the terminology same date as month?

Last Answer : I don’t understand your question. Could you rephrase it?

Description : What's the deal with lowbrow humor and (pardon the non-PC terminology) midgets?

Last Answer : As Marina so eloquently put it, “Chacun à son goût.”