When heated from 00 to 100C volume of a given mass of water will : (1) Increase gradually (2) Decrease gradually (3) Increase and then will decrease (4) Decrease and then will increase

When heated from 00 to 100C volume of a given mass of water will : (1) Increase gradually (2) Decrease gradually (3) Increase and then will decrease (4) Decrease and then will increase

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Decrease and then will increase
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When heated from 0°C to 100°C volume of a given mass of water will – (1) Increase gradually (2) Decrease gradually (3) Increase and then will decrease (4) Decrease and then will Increase

Description : When heated from 0°C to 100°C volume of a given mass of water will – (1) Increase gradually (2) Decrease gradually (3) Increase and then will decrease (4) Decrease and then will Increase

Last Answer : (4) Decrease and then will Increase Explanation: When heated from 00 to 100 C volume of a given mass of water will first decrease and then increase. If the word "ice" or "solid" is not mentioned, the word "water" means liquid water.

When heated from 0° to 10°C volume of a given mass of water will - (1) Increase gradually (2) Decrease gradually (3) Increase and after will decrease (4) Decrease and after will increase

Description : When heated from 0° to 10°C volume of a given mass of water will - (1) Increase gradually (2) Decrease gradually (3) Increase and after will decrease (4) Decrease and after will increase

Last Answer : (4) Decrease and after will increase

A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) increase (2) decrease (3) remain unaffected (4) have its shape changed

Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) increase (2) decrease (3) remain unaffected (4) have its shape changed

Last Answer : (1) increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius.

A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) Increase (2) decrease (3) remain unaffected (4) have its shape changed

Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) Increase (2) decrease (3) remain unaffected (4) have its shape changed

Last Answer : (1) Increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius. As the inner most layer also increases its radius, the volume inside it i.e, the volume of the hollow portion will also increase.

A capacitor is to be tested with a megohmmeter. If the meter is connected to a shorted capacitor, the meter pointer should _____________. A. immediately swing to the maximum resistance value B. deflect to zero and remain at that position C. swing to a high reading and gradually decrease D. swing to zero then gradually increase with slight pointer movements down scale

Description : A capacitor is to be tested with a megohmmeter. If the meter is connected to a shorted capacitor, the meter pointer should _____________. A. immediately swing to the maximum resistance value ... and gradually decrease D. swing to zero then gradually increase with slight pointer movements down scale

Last Answer : Answer: B

A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole? (1) Increase (2) Decrease (3) Remain constant (4) Will increase first and then decrease

Description : A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole? (1) Increase (2) Decrease (3) Remain constant (4) Will increase first and then decrease

Last Answer : (1) Increase Explanation: Assuming the disc is uniform and isotropic (the same in different directions), the hole will expand in the same ratio as the metal. It is because the thermal expansion equation ... is made out of metal. And if the circumference of the hole expands, so does the diameter.

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

In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will (A) Decrease gradually (B) Increase gradually (C) Increase rapidly (D) Remain constant

Description : In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will (A) Decrease gradually (B) Increase gradually (C) Increase rapidly (D) Remain constant

Last Answer : (B) Increase gradually

The density of the liquid when heated (1) decreases (2) increases (3) does not change (4) may increase of decrease depending on pressure

Description : The density of the liquid when heated (1) decreases (2) increases (3) does not change (4) may increase of decrease depending on pressure

Last Answer : (1) decreases Explanation: The mass density of a material varies with temperature and pressure. Increasing the temperature of a substance (with some exceptions) decreases its density by increasing the volume of ... bottom to top of the fluid due to the decrease of the density of the heated fluid.

The density of the liquid when heated (1) decreases (2) increases (3) does not change (4) may increase of decrease depending on pressure

Description : The density of the liquid when heated (1) decreases (2) increases (3) does not change (4) may increase of decrease depending on pressure

Last Answer : decreases

What state of matter water takes this form above 100c?

Description : What state of matter water takes this form above 100c?

Last Answer : Feel Free to Answer

In industrial operations fluids with temperature less than __________ are set as the limit for waste heat recovery because of the risk of condensation of corrosive liquids a. 80C b. 100C c. 120C d. 200C

Description : In industrial operations fluids with temperature less than __________ are set as the limit for waste heat recovery because of the risk of condensation of corrosive liquids a. 80C b. 100C c. 120C d. 200C

Last Answer : 100C

A capacitor can be tested using a megohmmeter or an ohmmeter. If the meter is connected to a shorted capacitor, the meter pointer should _____________. A. immediately swing to the maximum resistance value for the capacitor B. first swing quickly to 'zero', then gradually move up the scale as the capacitor charges C. immediately deflect to and remain at zero D. immediately swing to a high reading and then gradually decrease

Description : A capacitor can be tested using a megohmmeter or an ohmmeter. If the meter is connected to a shorted capacitor, the meter pointer should _____________. A. immediately swing to the maximum resistance ... deflect to and remain at zero D. immediately swing to a high reading and then gradually decrease

Last Answer : Answer: C

When water is heated from 0°C to 10°C. Its volume (1) increases (2) decreases (3) does not change (4) first decreases and then increases

Description : When water is heated from 0°C to 10°C. Its volume (1) increases (2) decreases (3) does not change (4) first decreases and then increases

Last Answer : (4) first decreases and then increases

When the unknown was heated , could the decrease in mass have been partly due to the loss of some substance other than water ?

Description : When the unknown was heated , could the decrease in mass have been partly due to the loss of some substance other than water ?

Last Answer : yes because water is loss from hydrates compound

For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will ----- ? A. also decrease B. increase (Answer) C. remains constant D. none of these

Description : For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will ----- ? A. also decrease B. increase (Answer) C. remains constant D. none of these

Last Answer : B. increase (Answer)

Select the incorrect statement. (a) LH and FSH decrease gradually during the follicular phase. (b) LH triggers secretion of androgens from the Leydig cells. (c) FSH stimulates the Sertoli cells which help in spermiogenesis. (d) LH triggers ovulation in ovary.

Description : Select the incorrect statement. (a) LH and FSH decrease gradually during the follicular phase. (b) LH triggers secretion of androgens from the Leydig cells. (c) FSH stimulates the Sertoli cells which help in spermiogenesis. (d) LH triggers ovulation in ovary.

Last Answer : (a) LH and FSH decrease gradually during the follicular phase.

Current assets are Rs.6,00,000 current liabilities are Rs.3,00,000 the debtors realized Rs.40,000, the impact on net working capital would be------------------------- a) No change in working capital b) Decrease of working capital by Rs.80,000 c) Increase of working capital by Rs.40,000 d) None of these

Description : Current assets are Rs.6,00,000 current liabilities are Rs.3,00,000 the debtors realized Rs.40,000, the impact on net working capital would be------------------------- a) No change in working ... Decrease of working capital by Rs.80,000 c) Increase of working capital by Rs.40,000 d) None of these

Last Answer : a) No change in working capital

A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? (1) Increase (2) Dacrease (3) Remain constant (4) Will increase first and then dcrease

Description : A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? (1) Increase (2) Dacrease (3) Remain constant (4) Will increase first and then dcrease

Last Answer : Increase

Which of the following is the best example of law of conservation of mass? [NCERT 1975] (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2. (B) When 12 g of carbon is heated in a vacuum there is no change in mass. (C) A sample of air increases in volume when heated at constant pressure but its mass remains unaltered. (D) The weight of a piece of platinum is the same before and after heating in air.

Description : Which of the following is the best example of law of conservation of mass? [NCERT 1975] (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2. (B) When 12 g of carbon is ... mass remains unaltered. (D) The weight of a piece of platinum is the same before and after heating in air.

Last Answer : (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2.

According to special theory of relativity the mass of a particle – (1) increases with increase in velocity with respect to an observer. (2) decreases with increase in velocity. (3) decreases with decrease in velocity. (4) is independent of its velocity.

Description : According to special theory of relativity the mass of a particle – (1) increases with increase in velocity with respect to an observer. (2) decreases with increase in velocity. (3) decreases with decrease in velocity. (4) is independent of its velocity.

Last Answer : (1) increases with increase in velocity with respect to an observer. Explanation: According to the Special Theory of Relativity, the mass of a moving object measures more as its velocity increases until, ... becomes infinite. This is because as an object gains speed, it gains more (kinetic) energy.

According to special theory of relativity the mass of a particle (1) increases with increase in velocity with respect to an observer. (2) decreases with increase in velocity. (3) decreases with decrease in velocity. (4) is independent of its velocity.

Description : According to special theory of relativity the mass of a particle (1) increases with increase in velocity with respect to an observer. (2) decreases with increase in velocity. (3) decreases with decrease in velocity. (4) is independent of its velocity.

Last Answer : increases with increase in velocity with respect to an observer.

How much heat is absorbed by 60.00 grams of copper when it is heated from 293 Kelvin to 353 Kelvin?

Description : How much heat is absorbed by 60.00 grams of copper when it is heated from 293 Kelvin to 353 Kelvin?

Last Answer : 1,386 J

At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the gas

Description : At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the gas

Last Answer : C) Remains unchanged

With suction pressure being atmospheric, increase in delivery pressure with fixed clearance volume A. increase volumetric efficiency B. decrease volumetric efficiency C. does not change volumetric efficiency D. First increase volumetric efficiency and then decrease it

Description : With suction pressure being atmospheric, increase in delivery pressure with fixed clearance volume A. increase volumetric efficiency B. decrease volumetric efficiency C. does not change volumetric efficiency D. First increase volumetric efficiency and then decrease it

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 : (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.

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

A storm is predicted if atmospheric pressure – (1) Rises suddenly (2) Rises gradually (3) Falls suddenly (4) Falls gradually

Description : A storm is predicted if atmospheric pressure – (1) Rises suddenly (2) Rises gradually (3) Falls suddenly (4) Falls gradually

Last Answer : (3) Falls suddenly Explanation: Atmospheric pressure is basically the weight of air in the atmosphere above the reservoir, so the level of mercury continues to change until the weight of mercury in the ... reduces the weight of air above the reservoir so the mercury level drops to a lower level.

A zinc plate is attached to the knob of a negatively charged electroscope. What will happen to the leaves of the electroscope when ultraviolet light is shown on the zinc plate. Will the leaves: w) collapse at once x) gradually come together y) gradually spread further apart z) remain unaffected

Description : A zinc plate is attached to the knob of a negatively charged electroscope. What will happen to the leaves of the electroscope when ultraviolet light is shown on the zinc plate. Will the leaves: w) collapse at once x) gradually come together y) gradually spread further apart z) remain unaffected

Last Answer : ANSWER: X -- GRADUALLY COME TOGETHER

A storm is predicted if atmospheric pressure (1) rises suddenly (2) rises gradually (3) falls suddenly (4) falls gradually

Description : A storm is predicted if atmospheric pressure (1) rises suddenly (2) rises gradually (3) falls suddenly (4) falls gradually

Last Answer :  falls suddenly

Does the height of the mercury column of barometer increase gradually ?

Description : Does the height of the mercury column of barometer increase gradually ?

Last Answer : Answer : As the height of the mercury column of the barometer gradually decreases, the water vapor increases.

A patient of liver cirrhosis with ascitis was treated with hydrochlorothiazide 50 mg twice daily. He responded initially, but over a couple of months the diuretic action gradually diminished and ascitis again appeared. Select the measure to reinduce diuresis: A. Increase hydrochlorothiazide dose to 100 mg twice daily B. Add acetazolamide 250 mg twice daily C. Add spironolactone 50 mg thrice daily D. Substitute hydrochlorothiazide by spironolactone 50 mg 6 hourly

Description : A patient of liver cirrhosis with ascitis was treated with hydrochlorothiazide 50 mg twice daily. He responded initially, but over a couple of months the diuretic action gradually diminished ... Add spironolactone 50 mg thrice daily D. Substitute hydrochlorothiazide by spironolactone 50 mg 6 hourly

Last Answer : C. Add spironolactone 50 mg thrice daily

If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to  (a) + v  (b) – ve  (c) zero  (d) pressure x volume  (e) any where between zero and infinity.

Description : If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to  (a) + v  (b) – ve  (c) zero  (d) pressure x volume  (e) any where between zero and infinity.

Last Answer : Answer : c

An ideal gas is heated at constant volume and then expanded isothermally. Show processes on P-V & T-S diagrams.

Description : An ideal gas is heated at constant volume and then expanded isothermally. Show processes on P-V & T-S diagrams.

Last Answer : Process 1-2 : Constant volume process Process 2-3 : Constant temperature process (Isothermal process)

When distance from center is doubled then electric field strength will A. decrease by the factor of four B. increase by factor of four C. will be same D. decrease by factor of two

Description : When distance from center is doubled then electric field strength will A. decrease by the factor of four B. increase by factor of four C. will be same D. decrease by factor of two

Last Answer :  decrease by the factor of four

As the temperature of the air increases from 0 degrees C to 20 degrees C, the wavelength of a sound made by a tuning fork of fixed frequency does which of the following? Does the wavelength w) increase x) decrease y) remain the same z) increase up to a maximum, then remain constant

Description : As the temperature of the air increases from 0 degrees C to 20 degrees C, the wavelength of a sound made by a tuning fork of fixed frequency does which of the following? Does the wavelength w) increase x) decrease y) remain the same z) increase up to a maximum, then remain constant

Last Answer : ANSWER: W -- INCREASE

The maximum water content at which a reduction in water content does not cause a decrease in volume of a soil mass, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit

Description : The maximum water content at which a reduction in water content does not cause a decrease in volume of a soil mass, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit

Last Answer : (C) Shrinkage limit

The minimum water content at which a reduction in water content will not cause a decrease in the volume of a soil mass is known as a) Plastic limit b) Shrinkage limit* c) Liquid limit d) Consistency limit

Description : The minimum water content at which a reduction in water content will not cause a decrease in the volume of a soil mass is known as a) Plastic limit b) Shrinkage limit* c) Liquid limit d) Consistency limit

Last Answer : b) Shrinkage limit*

The pH of water at 25°C is 7. When it is heated to 100°C, then what will be the pH of water?

Description : The pH of water at 25°C is 7. When it is heated to 100°C, then what will be the pH of water?

Last Answer : – Remains same

Have gradually built up to doing 15/16 pull ups/ chin ups then started to experiance pain in solar plexus region only starts after 2/3 reps even when I tense my abs no probs otherwise & would be unaware of a problem with my stomach if I didn't do the excercise, any ideas?? other than stop the excercise which I currently have done.

Description : Have gradually built up to doing 15/16 pull ups/ chin ups then started to experiance pain in solar plexus region only starts after 2/3 reps even when I tense my abs no probs otherwise & would be ... I didn't do the excercise, any ideas?? other than stop the excercise which I currently have done.

Last Answer : answer:I'm no expert of any kind on physical fitness or sports medicine, but I would suggest that if there is no such person in here, then you should seek one in your community and consult with him/her, ... appear at all normal to me, based on my own experiences. September 4, 2008, 8:30 AM EDT

When a megohmmeter is being used on a alternating current machine, the meter pointer will dip toward 'zero' and then gradually rise to the true resistance value if the motor insulation is _____________. A. grounded B. good C. shorted D. dirty

Description : When a megohmmeter is being used on a alternating current machine, the meter pointer will dip toward 'zero' and then gradually rise to the true resistance value if the motor insulation is _____________. A. grounded B. good C. shorted D. dirty

Last Answer : Answer: B

When starting a DC propulsion motor the variable rheostat must FIRST be turned ____________. A. all the way to the run position then quickly back to slow B. to the slow position then gradually moved to full speed C. to the mid position D. quickly to the run position

Description : When starting a DC propulsion motor the variable rheostat must FIRST be turned ____________. A. all the way to the run position then quickly back to slow B. to the slow position then gradually moved to full speed C. to the mid position D. quickly to the run position

Last Answer : Answer: B

The atmospheric pressure with rise in altitude decreases (A) Linearly (B) First slowly and then steeply (C) First steeply and then gradually (D) Unpredictable

Description : The atmospheric pressure with rise in altitude decreases (A) Linearly (B) First slowly and then steeply (C) First steeply and then gradually (D) Unpredictable

Last Answer : Answer: Option B

A prodrug is: A. The prototype member of a class of drugs B. The oldest member of a class of drugs C. An inactive drug that is transformed in the body to an active metabolite D. A drug that is stored in body tissues and is then gradually released in the circulation

Description : A prodrug is: A. The prototype member of a class of drugs B. The oldest member of a class of drugs C. An inactive drug that is transformed in the body to an active metabolite D. A drug that is stored in body tissues and is then gradually released in the circulation

Last Answer : C. An inactive drug that is transformed in the body to an active metabolite

A prodrug is: A. The prototype member of a class of drugs B. The oldest member of a class of drugs C. An inactive drug that is transformed in the body to an active metabolite D. A drug that is stored in body tissues and is then gradually released in the circulation

Description : A prodrug is: A. The prototype member of a class of drugs B. The oldest member of a class of drugs C. An inactive drug that is transformed in the body to an active metabolite D. A drug that is stored in body tissues and is then gradually released in the circulation

Last Answer : C. An inactive drug that is transformed in the body to an active metabolite

When a metal becomes a superconductor, there is a tremendous decrease in its: w) total volume x) electrical resistance y) length z) density

Description : When a metal becomes a superconductor, there is a tremendous decrease in its: w) total volume x) electrical resistance y) length z) density

Last Answer : ANSWER: X -- ELECTRICAL RESISTANCE

What is an item that was selling for 72.00 is reduced to 60.00. Find the percent decrease in price. Round your answer to the nearest tenth.?

Description : What is an item that was selling for 72.00 is reduced to 60.00. Find the percent decrease in price. Round your answer to the nearest tenth.?

Last Answer : 0.167

In 1970 a desktop calculator sold for about 100.00. Today the same type of calculator sells for as little as 25.00. What is the percent of decrease in the cost of desktop calculators?

Description : In 1970 a desktop calculator sold for about 100.00. Today the same type of calculator sells for as little as 25.00. What is the percent of decrease in the cost of desktop calculators?

Last Answer : In absolute terms, the percentage decrease is:percentage change = (new - old)/old 100%= (25 - 100)/100 100%= -75 %Being negative it means the change is a decrease of 75%-------- ... this as inflation, the decrease is approx 99.1% - in otherwords they are almost giving the calculator away today.

As Rhombic sulphur is heated in a test tube : `{:(,"Process","Temperature"),((a),"Viscosity increases",T_(1)),((b),"Visconsity decrease",T_(2)),((c),"

Description : As Rhombic sulphur is heated in a test tube : `{:(,"Process","Temperature"),((a),"Viscosity increases",T_(1)),((b),"Visconsity decrease",T_(2)),((c),"

Last Answer : As Rhombic sulphur is heated in a test tube : `{:(,"Process","Temperature"),((a),"Viscosity increases",T_(1)),(( ... T_(3) lt T_(4) lt T_(1) lt T_(2)`