What is The energy transferred from hot to cold?

What is The energy transferred from hot to cold?
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When you touch the hot sand heat is transferred by?

Description : When you touch the hot sand heat is transferred by?

Last Answer : Conduction

In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred (A) Through a metallic wall (B) By direct contact of hot flue gas with air (C) By heating an intermediate material (like chequor bricks) and then heating the air from this hot material (D) None of these

Description : In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred (A) Through a metallic wall (B) By direct contact of hot flue gas with air (C) By ... material (like chequor bricks) and then heating the air from this hot material (D) None of these

Last Answer : (C) By heating an intermediate material (like chequor bricks) and then heating the air from this hot material

In pipe flow, heat is transferred from hot wall to the liquid by(A) Conduction only (B) Forced convection only (C) Forced convection and conduction (D) Free and forced convection

Description : In pipe flow, heat is transferred from hot wall to the liquid by(A) Conduction only (B) Forced convection only (C) Forced convection and conduction (D) Free and forced convection

Last Answer : (C) Forced convection and conduction

How does geothermal energy flow from hot to cold or cold to hot?

Description : How does geothermal energy flow from hot to cold or cold to hot?

Last Answer : When the weather is cold, the water or refrigerant heats up as it travels through the part of the loop that's buried underground.

How does geothermal energy flow of thermal energy from hot to cold or cold to hot?

Description : How does geothermal energy flow of thermal energy from hot to cold or cold to hot?

Last Answer : When the weather is cold, the water or refrigerant heats up as it travels through the part of the loop that's buried underground. Once it gets back above ground, the warmed water or refrigerant transfers heat into the building. The water or refrigerant cools down after its heat is transferred.

According to first law of thermodynamics  (a) mass and energy are mutually convertible  (b) Carnot engine is most efficient  (c) heat and work are mutually convertible  (d) mass and light are mutually convertible  (e) heat flows from hot substance to cold substance.

Description : According to first law of thermodynamics  (a) mass and energy are mutually convertible  (b) Carnot engine is most efficient  (c) heat and work are mutually convertible  (d) mass and light are mutually convertible  (e) heat flows from hot substance to cold substance.

Last Answer : Answer : c

Energy transferred to a person through gamma rays is measured in by which unit? -Do You Know?

Description : Energy transferred to a person through gamma rays is measured in by which unit? -Do You Know?

Last Answer : answer:

An electric drill transfer some energy wastefully . aside from heat , what else carries the energy that is transferred wastefully?

Description : An electric drill transfer some energy wastefully . aside from heat , what else carries the energy that is transferred wastefully?

Last Answer : sound waves

Which of the following is an example of energy being transferred by sound waves?

Description : Which of the following is an example of energy being transferred by sound waves?

Last Answer : Trick question: all 3 of them are rightColin hits a drum, causing the small bones in his friend's ear to vibrate.An Opera singer sings a high-pitched note, causing a glass to break.A loud clap of thunder causes a window to vibrate.

Percentage energy transferred to higher trophic level in food chain is

Description : Percentage energy transferred to higher trophic level in food chain is

Last Answer : Percentage energy transferred to higher trophic level in food chain is A. `1%` B. `10%` C. `90%` D. `100%`

What is The amount of energy transferred per unit time by an electrical appliance is measured in what?

Description : What is The amount of energy transferred per unit time by an electrical appliance is measured in what?

Last Answer : tme

How much of the chemical energy in the fuel of a petrol car is transferred to kinetic energy?

Description : How much of the chemical energy in the fuel of a petrol car is transferred to kinetic energy?

Last Answer : It varies from zero (idling) to a max of 38 % ... but theaverage is about 20 %.

What is energy transferred by waves moving the the ground called?

Description : What is energy transferred by waves moving the the ground called?

Last Answer : Feel Free to Answer

How energy is transferred in solids?

Description : How energy is transferred in solids?

Last Answer : By conduction

How is energy transferred within the earth and atmosphere and throughout the oceans?

Description : How is energy transferred within the earth and atmosphere and throughout the oceans?

Last Answer : By convection

What are the three things that use energy transferred by electricity?

Description : What are the three things that use energy transferred by electricity?

Last Answer : Need answer

How energy is transferred in solids?

Description : How energy is transferred in solids?

Last Answer : By conduction

What occurs as energy is transferred through a wave?

Description : What occurs as energy is transferred through a wave?

Last Answer : Water particles are set in circular motion.

Which layer of the sun is energy transferred between atoms?

Description : Which layer of the sun is energy transferred between atoms?

Last Answer : The convection zone.

What is the main pathway by which energy is wastefully transferred from a light bulb?

Description : What is the main pathway by which energy is wastefully transferred from a light bulb?

Last Answer : heat

How is energy transferred along a food chain ?

Description : How is energy transferred along a food chain ?

Last Answer : The energy flux along a food chain is always unidirectional, from the producers to the decomposers.

The energy of expanding gas is transferred by piston to connecting rod through a. Crank pin b. Gudgeon pin c. Bearing d. Crankcase (Ans:b)

Description : The energy of expanding gas is transferred by piston to connecting rod through a. Crank pin b. Gudgeon pin c. Bearing d. Crankcase (Ans:b)

Last Answer : Which of the following is not used in four stroke compression-ignition (CI) engines? a. Fuel pump b. Spark plug c. Fuel injector d. Inlet and outlet Valves (Ans:b)

Energy transferred to a person through gamma rays is measured in by which unit?

Description : Energy transferred to a person through gamma rays is measured in by which unit?

Last Answer : Roentgens

How is the energy transferred in a wave without transfer of particles of the medium?

Description : How is the energy transferred in a wave without transfer of particles of the medium?

Last Answer : When a wave propagates in a medium, the particles of the medium vibrate about their mean position and the energy is transferred without the transfer of particles of the medium.

Energy transferred per unit charge is A. e.m.f B. current C. potential difference D. conventional current

Description : Energy transferred per unit charge is A. e.m.f B. current C. potential difference D. conventional current

Last Answer : potential difference

In photosynthesis energy from light reaction to dark reaction is transferred in the form of (a) ADP (b) ATP (c) RuDP (d) chlorophyll.

Description : In photosynthesis energy from light reaction to dark reaction is transferred in the form of (a) ADP (b) ATP (c) RuDP (d) chlorophyll.

Last Answer : (b) ATP

Second law of thermodynamics is concerned with the (A) Amount of energy transferred (B) Direction of energy transfer (C) Irreversible processes only (D) Non-cyclic processes only

Description : Second law of thermodynamics is concerned with the (A) Amount of energy transferred (B) Direction of energy transfer (C) Irreversible processes only (D) Non-cyclic processes only

Last Answer : (B) Direction of energy transfer

80. many percent of energy transferred from one trophic level to the next higher level. a) 20% b) 10% c) 50% d) 100%

Description : 80. many percent of energy transferred from one trophic level to the next higher level. a) 20% b) 10% c) 50% d) 100%

Last Answer : 10%

A process in which heat energy is transferred by the flow of fluid.  a. Convection  b. Conduction  c. Radiation  d. Sublimation

Description : A process in which heat energy is transferred by the flow of fluid.  a. Convection  b. Conduction  c. Radiation  d. Sublimation

Last Answer : Convection

Entropy is transferred by ______.  A. Work  B. Heat  C. Energy  D. Work and heat

Description : Entropy is transferred by ______.  A. Work  B. Heat  C. Energy  D. Work and heat

Last Answer : Heat

What is an energy that can be transferred from one object to another causing a change in temperature of each object?  A. Power  B. Heat transfer  C. Heat  D. Work

Description : What is an energy that can be transferred from one object to another causing a change in temperature of each object?  A. Power  B. Heat transfer  C. Heat  D. Work

Last Answer : Heat

Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Description : Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Last Answer : Answer : c

Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Description : Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant  (a) pressure  (b) temperature  (c) volume  (d) internal energy  (e) entropy.

Last Answer : Answer : a

According to first law of thermodynamics  (a) work done by a system is equal to heat transferred by the system  (b) total internal energy of a system during a process remains constant  (c) internal energy, enthalpy and entropy during a process remain constant  (d) total energy of a system remains constant

Description : According to first law of thermodynamics  (a) work done by a system is equal to heat transferred by the system  (b) total internal energy of a system during a process remains constant  ( ... , enthalpy and entropy during a process remain constant  (d) total energy of a system remains constant

Last Answer : Answer : d

When a wave is reflected from a surface, energy is transferred. When is the transfer of energy greatest?

Description : When a wave is reflected from a surface, energy is transferred. When is the transfer of energy greatest?

Last Answer : When the incident wave is nearly parallel with the surface.

Why do some people insist that hot food is healthier than cold food?

Description : Why do some people insist that hot food is healthier than cold food?

Last Answer : Making hot food kills of a lot of the bacteria and viruses.

Why do people drink hot beverages from cups or mugs, but cold beverages through straws?

Description : Why do people drink hot beverages from cups or mugs, but cold beverages through straws?

Last Answer : Try it, then you will know.

Is the distinction between good and evil any different than the distinction between hot and cold?

Description : Is the distinction between good and evil any different than the distinction between hot and cold?

Last Answer : Let's see. My husband has to use tongues to pick up the piece of toast I can hold in my hand. I'm freezing cold if the house is set at 70 degrees, other people still want it colder. ... because when Castro came in Afro-Cubans were treated more fairly. They had work, were educated, and more equal.

Do you ladies of a certain age get both hot and cold flashes?

Description : Do you ladies of a certain age get both hot and cold flashes?

Last Answer : Yes, I do. Sometimes I feel like I can’t get warm, then I’m roasting hot. I do what you do, throw the covers off and pull them back over me for most of the night. And I too seem to run a degree or so hotter most of the time. I’ll be interested to see if anyone has any other solutions.

Given the choice, would you prefer to live in a hot climate, cold climate, seasonal climate (going from very hot to very cold) or something else (please describe)?

Description : Given the choice, would you prefer to live in a hot climate, cold climate, seasonal climate (going from very hot to very cold) or something else (please describe)?

Last Answer : Four seasons in the Northeast but with February in California.

Cooling off when hot, or warming up when cold, which is achievable quicker and more effectively accomplished?

Description : Cooling off when hot, or warming up when cold, which is achievable quicker and more effectively accomplished?

Last Answer : It’s much easier for me to cool down. When I’m cold, it can be hours before I get warm again unless I’m provided with a very warm environment to recover in.

What is your favorite vegetarian cold meal to eat on a hot day?

Description : What is your favorite vegetarian cold meal to eat on a hot day?

Last Answer : Banana PB and J sandwiches.

Does the human body favor drinking hot-warm drinks versus frozen-cold beverages?

Description : Does the human body favor drinking hot-warm drinks versus frozen-cold beverages?

Last Answer : I was told that it takes energy to cool down or warm up liquids that are consumed, and that drinks at body temperature are absorbed faster.

Very hot or very cold, which weather would you rather be in if you had to be out in it for 45 min up to 3hrs?

Description : Very hot or very cold, which weather would you rather be in if you had to be out in it for 45 min up to 3hrs?

Last Answer : I have an extremely poor tolerance of cold weather, my body just shuts down if I get too cold. I know I can tolerate 100+ for three hours (I've done it and felt, well, uncomfortable but ... . I don't think I would last more than an hour at below 20 degrees without needing medical intervention.

What if you could never feel hot or cold again?

Description : What if you could never feel hot or cold again?

Last Answer : It would be awful. Just eating food I could burn myself almost daily. I hate being cold, totally paralyzes me, but if I could not feel cold I could wind up losing a toe to frostbite. I’ll take the discomfort over not having the sensation any time.

Do you use hot or cold air when you are defrosting your windshields in your vehicle?

Description : Do you use hot or cold air when you are defrosting your windshields in your vehicle?

Last Answer : I use cold air. Using hot air causes the inside of the windshield to fog up, which is almost as bad. Sometimes I’ll just hang my head out the window and drive that way.

Is it really necessary to wash dishes in hot water, or will cold water get them just as clean?

Description : Is it really necessary to wash dishes in hot water, or will cold water get them just as clean?

Last Answer : Cold water is fine as long as their is a bleaching agent in your soap. But I’m fine with using Dawn just cause it’s soluble. The trouble is, it’s hard to get the grease off, so a lot of scrubbing must be done. Any soap will wash the bacteria away.

I'm too hot, she's too cold. What do we do?

Description : I'm too hot, she's too cold. What do we do?

Last Answer : The answer is in the facts of reality. If one is cold, one can always pile on heat retaining covering. If one is hot, there is only so many layers you can remove until there are no ... and make sure your guests have blankets. If they screw with the thermostat, cancel the over night invitations.