The process of gradual cooling of glass articles to room temperature is called

The process of gradual cooling of glass articles to room temperature is called
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1 Answer

Answer :

annealing.
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Related questions

Which of these is an example of a gradual geologic process?

Description : Which of these is an example of a gradual geologic process?

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Within the consolidation process of a saturated clay (A) A gradual increase in neutral pressure and a gradual decrease in effective pressure take place and sum of the two is constant (B) A gradual decrease in neutral pressure and a gradual increase in effective pressure take place and sum of the two is constant (C) Both neutral pressure and effective pressure decrease (D) Both neutral pressure and effective pressure increase

Description : Within the consolidation process of a saturated clay (A) A gradual increase in neutral pressure and a gradual decrease in effective pressure take place and sum of the two is ... Both neutral pressure and effective pressure decrease (D) Both neutral pressure and effective pressure increase

Last Answer : Answer: Option B

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

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

Air intake for an air compressor should be preferably taken from (A) A site, where cooling towers are located nearby (B) A site, where open coal yard in located nearby (C) An air conditioned room maintained at a temperature of 18°C (D) An outside atmosphere at 10°C

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Last Answer : (D) An outside atmosphere at 10°C

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1) (A) 2300 J (B) 4600 J (C) 230 J (D) 2.3 × 106 J

Description : The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1) (A) 2300 J (B) 4600 J (C) 230 J (D) 2.3 × 106 J

Last Answer : A) 2300 J

What type of cooling is used to control ambient room temperature?

Description : What type of cooling is used to control ambient room temperature?

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During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community (c) the gradual and predictable change in species composition occurs in a given area (d) the establishment of a new biotic community is very fast in its primary phase.

Description : During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community ( ... area (d) the establishment of a new biotic community is very fast in its primary phase.

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The rocks formed by gradual deposition, are called (A) Sedimentary rocks (B) Igneous rocks (C) Metamorphic rocks (D) None of these

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A low mold board with gradual twist that completely invert the furrow slice with a minimum of breakup, thus covering vegetative matter thoroughly is called a. Stubble bottom b. sod bottom c. salted mould board d. general purpose bottom

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The increase in population all over the world is due to (a) tremendous increase in birth rate (b) significant decrease in death rate (c) gradual decrease in morbidity rate (d) failure to adopt family planning contraceptive devices

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Last Answer : Ans:(d)

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Last Answer : Ans:(b)

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Description : If there were a time paradox, would current world destruction be immediate or gradual?

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Description : Gradual decline of manual labor: Moving from an industrial society to a knowledge-based economy. Will women benefit more than men?

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Description : Does anybody watch the gradual report ?

Last Answer : Ummm, What?

It is something people wake to every day. Simple and easy, in a gradual way. You will crave and desire, That which water cannot provide. And which other drinks try to hide. It brings people together this is true, But it will make a dependent of you. What is it? -Riddles

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Last Answer : Coffee/Caffeine.

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Description : What were the reasons for the gradual slowing down of the Non-cooperation Movement in the cities? -SST 10th

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Assertion : - Cockorach undergoes many moulting in their development stage. Reason : - Cockroach exhibits gradual metamorphosis.

Description : Assertion : - Cockorach undergoes many moulting in their development stage. Reason : - Cockroach exhibits gradual metamorphosis.

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What is a good sentence with the word gradual?

Description : What is a good sentence with the word gradual?

Last Answer : The change from fit to obese was gradual.

What is Gradual destruction of land by natural agents?

Description : What is Gradual destruction of land by natural agents?

Last Answer : It is called erosion.

What type of weathering is the gradual wearing away or breaking down of rocks by abrasion?

Description : What type of weathering is the gradual wearing away or breaking down of rocks by abrasion?

Last Answer : physical

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Description : Fruits experiencing simple gradual decline in the rate of respiration at the time of ripening.

Last Answer : Ans. Non-Climacteric Fruits

An Afro-Carribean male aged 48 years presents with gradual onset of exertional dyspnoea, non productive cough, malaise, weight loss and polyarthralgia. Schirmers test indicates a dry eye. X-ray of the hand shows punched out osteopenic lesions. Which of the following investigation is unlikely to be helpful in establishing the diagnosis of this condition: 1) Serum calcium 2) Serum phosphorus 3) Urea and electrolytes 4) Thallium Scan 5) Quantitative Immunoglobulins.

Description : An Afro-Carribean male aged 48 years presents with gradual onset of exertional dyspnoea, non productive cough, malaise, weight loss and polyarthralgia. Schirmers test indicates a dry eye. X-ray ... 2) Serum phosphorus 3) Urea and electrolytes 4) Thallium Scan 5) Quantitative Immunoglobulins.

Last Answer : Answers-4 This condition is sarcoidosis. Serum calcium, Serum phosphorus, Chem7 and Chem 20 and Quantitative Immunoglobulins are all used in establishing the diagnosis. Gallium scan is helpful in ... areas of poor perfusion. It is particularly used in cardiology to detect areas of ischaemia.

When using a megohmmeter to test insulation, good insulation will be indicated by _____________. A. slight kicks of the needle down scale B. a downward dip followed by a gradual climb to the true resistance value C. a gradual rise in the pointer reading at the outset D. the initial dip of the pointer

Description : When using a megohmmeter to test insulation, good insulation will be indicated by _____________. A. slight kicks of the needle down scale B. a downward dip followed by a gradual climb to the true resistance ... C. a gradual rise in the pointer reading at the outset D. the initial dip of the pointer

Last Answer : Answer: B

When a megohmmeter is used to test insulation, the gradual rise of the pointer reading as a result of continued cranking, is caused by _____________. A. good conductor resistance B. the leakage of current along the surface of dirty insulation C. the inductive reactance of the windings D. the dielectric-absorption effect of the insulation

Description : When a megohmmeter is used to test insulation, the gradual rise of the pointer reading as a result of continued cranking, is caused by _____________. A. good conductor resistance B. the ... insulation C. the inductive reactance of the windings D. the dielectric-absorption effect of the insulation

Last Answer : Answer: D

What is indicated by gradual blackening at the ends of component 'C' shown in the illustration? EL-0081 A. The unit is in danger of exploding. B. The tube is nearing the end of its useful life. C. The circuit voltage is too high. D. The circuit current is too high.

Description : What is indicated by gradual blackening at the ends of component 'C' shown in the illustration? EL-0081 A. The unit is in danger of exploding. B. The tube is nearing the end of its useful life. C. The circuit voltage is too high. D. The circuit current is too high.

Last Answer : Answer: B

The development of technical progress has always seemed intrinsically a. Predictable. b. Unpredictable. c. Gradual. d. Uneven.

Description : The development of technical progress has always seemed intrinsically a. Predictable. b. Unpredictable. c. Gradual. d. Uneven.

Last Answer : a. Predictable.

The phase of gradual fall in income, output and employment is a. Boom b. Recession c. Depression d. Recovery

Description : The phase of gradual fall in income, output and employment is a. Boom b. Recession c. Depression d. Recovery

Last Answer : b. Recession Boom, recession, depression and recovery are the phases of a business cycle. In this phase, business activity is in low gear.

Transition curves are introduced at either end of a circular curve, to obtain (A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve (C) Gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve (D) None of these

Description : Transition curves are introduced at either end of a circular curve, to obtain (A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the ... specified amount at the junction of the transition curve with main curve (D) None of these

Last Answer : (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve

As compared to wall type breakwater, mound type breakwater (A) Requires skilled labour (B) Requires low maintenance cost (C) Requires less material (D) Results in less damage due to gradual failure

Description : As compared to wall type breakwater, mound type breakwater (A) Requires skilled labour (B) Requires low maintenance cost (C) Requires less material (D) Results in less damage due to gradual failure

Last Answer : (D) Results in less damage due to gradual failure

What device is used to produce a gradual change in impedance at the end of a waveguide?

Description : What device is used to produce a gradual change in impedance at the end of a waveguide?

Last Answer : Horn.

During teeth eruption, the reduced enamel epithelium merges with the oral epithelium. What is the further development? A. Downgrowth of oral epithelium which replaces the reduced enamel epithelium B. Proliferation of inner enamel epithelium C. Proliferation of outer enamel epithelium D. Down growth of oral epithelium which undermines the reduced enamel epithelium E. Gradual transformation of the reduced enamel epithelium

Description : During teeth eruption, the reduced enamel epithelium merges with the oral epithelium. What is the further development? A. Downgrowth of oral epithelium which replaces the reduced enamel ... which undermines the reduced enamel epithelium E. Gradual transformation of the reduced enamel epithelium

Last Answer : E. Gradual transformation of the reduced enamel epithelium

After chronic systemic therapy, withdrawal of corticosteroids should be gradual because: A. Corticosteroids produce psychological dependence B. Abrupt withdrawal may reactivate the underlying disease C. Abrupt withdrawal produces rebound hypertension D. All of the above are correct

Description : After chronic systemic therapy, withdrawal of corticosteroids should be gradual because: A. Corticosteroids produce psychological dependence B. Abrupt withdrawal may reactivate the underlying disease C. Abrupt withdrawal produces rebound hypertension D. All of the above are correct

Last Answer : B. Abrupt withdrawal may reactivate the underlying disea

According to the idea of punctuated equilibrium, macroevolution usually involves A) slow and gradual change. B) alternating periods of stasis (no change) and rapid change. C) most species becoming extinct in a relatively short time. D) species selection.

Description : According to the idea of punctuated equilibrium, macroevolution usually involves A) slow and gradual change. B) alternating periods of stasis (no change) and rapid change. C) most species becoming extinct in a relatively short time. D) species selection.

Last Answer : B) alternating periods of stasis (no change) and rapid change.

According to the idea of gradualism, macroevolution usually involves A) slow and gradual change. B) most species becoming extinct in a relatively short time. C) alternating periods of stasis (no change) and rapid change. D) species selection.

Description : According to the idea of gradualism, macroevolution usually involves A) slow and gradual change. B) most species becoming extinct in a relatively short time. C) alternating periods of stasis (no change) and rapid change. D) species selection.

Last Answer : A) slow and gradual change.

Which of the following best explains the pattern of mental growth? Options: A) A steady and uniform growth from birth to early adulthood B) A growth pattern paralleling the physical growth curve C) A uniform rise to the middle teens and a gradual levelling off to the middle twenties D) An erratic pattern from individual to individual precluding any generalization

Description : Which of the following best explains the pattern of mental growth? Options: A) A steady and uniform growth from birth to early adulthood B) A growth pattern paralleling the physical ... off to the middle twenties D) An erratic pattern from individual to individual precluding any generalization

Last Answer : C) A uniform rise to the middle teens and a gradual levelling off to the middle twenties

The substance added to decolourise the glass articles during manufacture of glass is

Description : The substance added to decolourise the glass articles during manufacture of glass is

Last Answer : Manganese dioxide.

Why should glass articles be annealed?

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.

If I fill a 5 Gallon glass water bottle with very hot water will it change the temperature in a cool room by a few degrees?

Description : If I fill a 5 Gallon glass water bottle with very hot water will it change the temperature in a cool room by a few degrees?

Last Answer : 5 gallons? that should radiate some heat at least. The water won’t stay hot for long though.

Centrifugal pump made of pyrex or glass can't be used to pump (A) Milk and fruit juices (B) Alkaline solutions (C) Dilute H2SO4 at room temperature (D) Brine

Description : Centrifugal pump made of pyrex or glass can't be used to pump (A) Milk and fruit juices (B) Alkaline solutions (C) Dilute H2SO4 at room temperature (D) Brine

Last Answer : (B) Alkaline solutions

A witness described in detail articles decorated in room while giving statement before Court this is a a) Fact b) Document c) Opinion d) Cause

Description : A witness described in detail articles decorated in room while giving statement  before Court this is a a) Fact b) Document c) Opinion d) Cause

Last Answer : a) Fact

Mark correct option a) The expression “postage” means the duty chargeable for the transmission by post of postal articles b) The expression “postage stamps” means any stamp provided by the [Central Government] for denoting postage or other fees or sums payable in respect of postal articles under this Act c) The expression “post office” includes every house, building, room, carriage or place used for the purposes of the Post Office. d) All the above

Description : Mark correct option a) The expression postage means the duty chargeable for the transmission by post of postal articles b) The expression postage stamps means any stamp provided by the [Central Government] ... room, carriage or place used for the purposes of the Post Office. d) All the above

Last Answer : d) All the above

Has anyone tried one of those room cooling units in the summer? Do they really work?

Description : Has anyone tried one of those room cooling units in the summer? Do they really work?

Last Answer : They work in a very small area. The waterless is nowhere nearly as effective as the portable AC units that you pour water into but those need to be backed up against a window or they make the room very humid.

A circular plate, a cube and a sphere, all made up of same material and having the same mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? (1) Circular plate (2) Cube (3) Sphere (4) All will cool at the same rate

Description : A circular plate, a cube and a sphere, all made up of same material and having the same mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? (1) Circular plate (2) Cube (3) Sphere (4) All will cool at the same rate

Last Answer : (3) Sphere Explanation: In the late of 17th century British scientist Isaac Newton studied cooling of bodies. Experiments showed that the cooling rate is approximately proportional to the difference of temperatures between the heated body and the environment.

Two contributors of electronic console failures are heat and vibration. To combat some of their effects, preventive maintenance procedures should include ______________. A. systematic rotation of circuit cards with those from spares to allow component cooling B. periodic changing or cleaning of console ventilation and control room air conditioning filters C. weekly tightening of console foundation bolts and changing of the air in the control room D. all of the above

Description : Two contributors of electronic console failures are heat and vibration. To combat some of their effects, preventive maintenance procedures should include ______________. A. systematic rotation of circuit cards with those ... bolts and changing of the air in the control room D. all of the above

Last Answer : Answer: B

A circular plate, a cube and a sphere, all made up of same material and having the same mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? (1) Circular plate (2) Cube (3) Sphere (4) All will cool at the same rate

Description : A circular plate, a cube and a sphere, all made up of same material and having the same mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? (1) Circular plate (2) Cube (3) Sphere (4) All will cool at the same rate

Last Answer : Sphere

Which of the following remains constant during evaporative cooling process with recirculated water supply? (A) Relative humidity (B) Partial pressure of vapour (C) Wet bulb temperature (D) None of these

Description : Which of the following remains constant during evaporative cooling process with recirculated water supply? (A) Relative humidity (B) Partial pressure of vapour (C) Wet bulb temperature (D) None of these

Last Answer : (C) Wet bulb temperature

During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. (A) Wet bulb temperature (B) Partial pressure of water vapor (C) Relative humidity (D) None of these

Description : During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains ... pressure of water vapor (C) Relative humidity (D) None of these

Last Answer : (A) Wet bulb temperature

Which of the following decreases during evaporative cooling process with recirculated water supply? (A) Wet bulb temperature (B) Relative humidity (C) Partial pressure of vapour (D) None of these

Description : Which of the following decreases during evaporative cooling process with recirculated water supply? (A) Wet bulb temperature (B) Relative humidity (C) Partial pressure of vapour (D) None of these

Last Answer : (D) None of these