The difference in air temperature over land compared to over water causes convection currents in the atmosphere. How would a person at the beach experience these convection currents?

The difference in air temperature over land compared to over water causes convection currents in the atmosphere. How would a person at the beach experience these convection currents?
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After the sun rises, rapid heating of the air over the land compared to that over the ocean often causes of near surface air over the land. (a) Localized subsidence and high pressure. (b) Localized convection and high pressure. (c) Localized subsidence and low pressure. (d) Localized convection and low pressure.

Description : After the sun rises, rapid heating of the air over the land compared to that over the ocean often causes of near surface air over the land. (a) Localized subsidence and high pressure. (b ... and high pressure. (c) Localized subsidence and low pressure. (d) Localized convection and low pressure.

Last Answer : (d) Localized convection and low pressure.

One feels cold after a dip in sea water due to (a) convection currents (b) the deposition of salt on the body (c) the evaporation of water on the body (d) the difference in temperatures between land and sea

Description : One feels cold after a dip in sea water due to (a) convection currents (b) the deposition of salt on the body (c) the evaporation of water on the body (d) the difference in temperatures between land and sea

Last Answer : Ans:(c)

How does the sun drive convection currents in the ocean and in the atmosphere?

Description : How does the sun drive convection currents in the ocean and in the atmosphere?

Last Answer : By heating some places more than others.

The twinkling of stars can be partly attributed to (a) intermittent shining (b) convection currents in the atmosphere (c) atmospheric refraction (d) the unstable motion of the earth

Description : The twinkling of stars can be partly attributed to (a) intermittent shining (b) convection currents in the atmosphere (c) atmospheric refraction (d) the unstable motion of the earth

Last Answer : Ans:(c)

During summer, we feel comfortable under a fan because it (a) throws cool air on us (b) sets the air in motion, thereby increasing the evaporation of sweat (c) produces convection currents (d) produces air which carries heat away from the body

Description : During summer, we feel comfortable under a fan because it (a) throws cool air on us (b) sets the air in motion, thereby increasing the evaporation of sweat (c) produces convection currents (d) produces air which carries heat away from the body

Last Answer : Ans:(b)

In which part of earths core do convection currents occur?

Description : In which part of earths core do convection currents occur?

Last Answer : Need answer

The freezer in a refrigerator is fitted near the top (a) to keep it away from the hot compressor which is near the bottom (b) because of convenience (c) so that it can cool the whole interior by setting up convection currents (d) without any specific purpose

Description : The freezer in a refrigerator is fitted near the top (a) to keep it away from the hot compressor which is near the bottom (b) because of convenience (c) so that it can cool the whole interior by setting up convection currents (d) without any specific purpose

Last Answer : Ans:(c)

The freezer in a refrigerator is fitted near the top – (1) to keep it away from hot compressor which is nearer to the bottom (2) because of convenience (3) it facilitates convection currents (4) to minimise power consumption

Description : The freezer in a refrigerator is fitted near the top – (1) to keep it away from hot compressor which is nearer to the bottom (2) because of convenience (3) it facilitates convection currents (4) to minimise power consumption

Last Answer : (3) it facilitates convection currents Explanation: The freezer in a refrigerator is fitted near the top so that it can cool the whole interior by setting up ... compartment temperature excessively causes difficulties in maintaining above-reezing temperature in the refrigerator compartment.

Ocean currents are an example of – (1) convection (2) conduction (3) insulation (4) radiation

Description : Ocean currents are an example of – (1) convection (2) conduction (3) insulation (4) radiation

Last Answer : (1) convection Explanation: Heat is transferred by convection in numerous examples of naturally occurring fluid flow, such as: wind, oceanic currents, and movements within the Earth's atmosphere. ... transfer heat from the surplus to deficit heat zones and set the oceanic circulation in motion.

____ heating means that the circulation of currents in one region inside a can distributes the heat to another. a. Conduction c. Convection b. Radiation d. Slow

Description : ____ heating means that the circulation of currents in one region inside a can distributes the heat to another. a. Conduction c. Convection b. Radiation d. Slow

Last Answer : c. Convection

The freezer in a refrigerator is fitted near the top (1) to keep it away from hot compressor which is nearer to the bottom (2) because of convenience (3) it facilitates convection currents (4) to minimise power consumption

Description : The freezer in a refrigerator is fitted near the top (1) to keep it away from hot compressor which is nearer to the bottom (2) because of convenience (3) it facilitates convection currents (4) to minimise power consumption

Last Answer : it facilitates convection currents

Ocean currents are an example of (1) convection (2) conduction (3) insulation (4) radiation

Description : Ocean currents are an example of (1) convection (2) conduction (3) insulation (4) radiation

Last Answer : convection

When the air the atmosphere is unevenly warmed by the sun's wind currents are the result?

Description : When the air the atmosphere is unevenly warmed by the sun's wind currents are the result?

Last Answer : energyenergy

When the air in the atmosphere is unevenly warm by the suns wind currents are the results?

Description : When the air in the atmosphere is unevenly warm by the suns wind currents are the results?

Last Answer : Essentially, yes: the Sun's heat createsconvection-currents.

When the air in the atmosphere is unevenly warm by the suns wind currents are the results?

Description : When the air in the atmosphere is unevenly warm by the suns wind currents are the results?

Last Answer : Essentially, yes: the Sun's heat createsconvection-currents.

Heat transfer occurs by natural convection because change in temperature causes difference in (A) Viscosity (B) Density (C) Thermal conductivity (D) Heat capacity

Description : Heat transfer occurs by natural convection because change in temperature causes difference in (A) Viscosity (B) Density (C) Thermal conductivity (D) Heat capacity

Last Answer : (B) Density

Which is true A. The ocean has no effect on the temperature on the land. B. Ocean currents affect temperatures on land. C. All ocean water is the same temperature. D. Ocean water does not move between locations.?

Description : Which is true A. The ocean has no effect on the temperature on the land. B. Ocean currents affect temperatures on land. C. All ocean water is the same temperature. D. Ocean water does not move between locations.?

Last Answer : B. Ocean currents affect temperatures on land.

Pick out the wrong statement. (A) Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal (B) Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel (C) Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing (D) None of these

Description : Pick out the wrong statement. (A) Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal (B) Low grade coal can be used, but generally high volatile ... and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing (D) None of these

Last Answer : (D) None of these

Pick out the wrong statement. (A) In process heat exchangers, saturated steam is preferred over the superheated steam (B) The maximum is the emissive power of a surface at a temperature T1 occurs at a wavelength of λ1 . If the surface temperature is halved, the maximum in the emissive power would occur at a wavelength of 0.5 λ1 (C) When a vertical plate is heated in infinite air environmental under natural convection conditions, the velocity profile in air, normal to the plate, exhibits a maximum

Description : Pick out the wrong statement. (A) In process heat exchangers, saturated steam is preferred over the superheated steam (B) The maximum is the emissive power of a surface at a temperature T1 ... under natural convection conditions, the velocity profile in air, normal to the plate, exhibits a maximum

Last Answer : (B) The maximum is the emissive power of a surface at a temperature T1 occurs at a wavelength of λ1 . If the surface temperature is halved, the maximum in the emissive power would occur at a wavelength of 0.5 λ1

Upto the critical radius of insulation, added insulation, will (A) Increase the heat loss (B) Decrease heat loss and will have no effect beyond that (C) Decrease heat flux (D) Reduce convection heat loss compared to conduction heat less

Description : Upto the critical radius of insulation, added insulation, will (A) Increase the heat loss (B) Decrease heat loss and will have no effect beyond that (C) Decrease heat flux (D) Reduce convection heat loss compared to conduction heat less

Last Answer : Option B

How do convection cells in earth's atmosphere cause high-and low- pressure belts?

Description : How do convection cells in earth's atmosphere cause high-and low- pressure belts?

Last Answer : The convection cells radiate heat.

How do convection cells in earth's atmosphere cause high-and low- pressure belts?

Description : How do convection cells in earth's atmosphere cause high-and low- pressure belts?

Last Answer : The convection cells radiate heat.

Heat transfer horizontally within the atmosphere is called – (1) Conduction (2) Convection (3) Absorption (4) Advection

Description : Heat transfer horizontally within the atmosphere is called – (1) Conduction (2) Convection (3) Absorption (4) Advection

Last Answer : (4) Advection Explanation: Convection transfers heat vertically into the atmosphere. In order for heat to be transferred to other regions, it must be transferred horizontally by the wind. The horizontal ... advection is the transport of pollutants or silt in a river by bulk water flow downstream.

The atmosphere is heated mainly by – (1) Insulation (2) Conduction (3) Radiation (4) Convection

Description : The atmosphere is heated mainly by – (1) Insulation (2) Conduction (3) Radiation (4) Convection

Last Answer : (3) Radiation Explanation: Changes in weather involve air movements, formation of clouds, and precipitation. Energy is needed to make all these things happen. That energy comes from the sun. Heat energy ... radiation. Hot bodies such as the sun radiate their energy mainly in the form of short waves.

The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating -----------? A. Conduction of heat upward from a hot surface B. Convection from a hot surface C. Absorption of infrared energy that has been radiated from the surface D. Heat energy from the earth’s interior (Answer)

Description : The atmosphere near the earth's surface is heated from below. Which of the following does not significantly contribute to this heating -----------? A. Conduction of heat upward from a ... infrared energy that has been radiated from the surface D. Heat energy from the earth's interior (Answer)

Last Answer : D. Heat energy from the earth’s interior (Answer)

Heat transfer horizontally within the atmosphere is called (1) Conduction (2) Convection (3) Absorption (4) Advection

Description : Heat transfer horizontally within the atmosphere is called (1) Conduction (2) Convection (3) Absorption (4) Advection

Last Answer : Advection

The atmosphere is heated mainly by (1) Insolation (2) Conduction (3) Radiation (4) Convection

Description : The atmosphere is heated mainly by (1) Insolation (2) Conduction (3) Radiation (4) Convection

Last Answer : Radiation

Air over the oceans is colder in summer and warmer in winter compared with air over the continental regions. This is because (a) Water is translucent and has a relatively high heat capacity compared to dirt (b) Compared to dirt, a thicker layer of water participates in the seasonal cycle (c) The albedo of water is greater than that of land and thus reflects more solar radiation (d) Both A and B are true (e) The effect is due to the changes in circulation between continents and oceans

Description : Air over the oceans is colder in summer and warmer in winter compared with air over the continental regions. This is because (a) Water is translucent and has a relatively high heat capacity compared ... B are true (e) The effect is due to the changes in circulation between continents and oceans

Last Answer : (d) Both A and B are true

Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by NOx emission is much higher by four stroke petrol engines as compared to the two stroke engines (C) Temperature in stratosphere rises with increasing altitude (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Description : Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by ... in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Last Answer : (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Land and sea-breezes occur due to : (1) Conduction (2) Convection (3) Radiation (4) Tides

Description : Land and sea-breezes occur due to : (1) Conduction (2) Convection (3) Radiation (4) Tides

Last Answer : (2) Convection Explanation: During the day, the sun warming the land also warms the air. Since land heats up quicker than water does, the air over land gets warmer than the air over the water. ... Breeze. Reversely, at night the land cools down faster than the water does, and creates a Land Breeze.

Land and sea-breezes occur due to : (1) Conduction (2) Convection (3) Radiation (4) Tides

Description : Land and sea-breezes occur due to : (1) Conduction (2) Convection (3) Radiation (4) Tides

Last Answer : Convection

Do you use a convection oven for baking and if so, what is your experience with it?

Description : Do you use a convection oven for baking and if so, what is your experience with it?

Last Answer : I use it fairly often when making chicken or roasts. I'm very happy with the results and it does speed up the cooking. I have not had as much luck with baking cakes and cookies. I ... better for some cooking though, supposedly the humidity is different, and for broiling is fantastic in my opinion.

Which pair of ocean currents meet each other near Newfound land? -Do You Know?

Description : Which pair of ocean currents meet each other near Newfound land? -Do You Know?

Last Answer : answer:

Which pair of ocean currents meet each other near Newfound land?

Description : Which pair of ocean currents meet each other near Newfound land?

Last Answer : Gulf stream and Labrador

1. The oldest monarchy in the world is that of which country? 2. Starch iodide paper is used to test for the presence of which agent? 3. In the case of a ‘test-tube baby’ where does fertilisation take place? 4. The direction of ocean currents is reversed with season in which ocean? 5. By which inscription is the earliest example of a land grant is provided?

Description : 1. The oldest monarchy in the world is that of which country? 2. Starch iodide paper is used to test for the presence of which agent? 3. In the case of a test-tube baby' where does ... 19. Which is the smallest Union Territory? 20. In which year was India was invaded by Timur Lame?

Last Answer : Answer : 1. Japan 2. Oxidising agent 3. Outside the mother's body 4. In the Indian Ocean 5. The Satavahanas 6. 324 7. Khurja 8. 38th Parallel 9. North-West Atlantic 10. Hala 11. ... urbanisation15. Amir Khusrau 16. Prithvi Raj Kapoor 17. According to value 18. Exothermic 19. Lakshadweep 20. 1398

How easy is it to clean the inside of the Jenn Air Convection Over the Range Microwave?

Description : How easy is it to clean the inside of the Jenn Air Convection Over the Range Microwave?

Last Answer : This microwave is designed to resist fingerprints,and to be easily cleaned.

In convection heat transfer, if heat flux intensity is doubled then temperature difference between solid surface and fluid will ?

Description : In convection heat transfer, if heat flux intensity is doubled then temperature difference between solid surface and fluid will ?

Last Answer : Get doubled.

Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the (A) Existence of thermal boundary layer (B) Temperature gradient produced due to density difference (C) Buoyancy of the bubbles produced at active nucleation site (D) None of these

Description : Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the (A) Existence of thermal boundary layer (B) Temperature gradient produced ... difference (C) Buoyancy of the bubbles produced at active nucleation site (D) None of these

Last Answer : (D) None of these

Air blast circuit breaker is used for (a) over currents (b) short duty (c) intermittant duty (d) repeated duty

Description : Air blast circuit breaker is used for (a) over currents (b) short duty (c) intermittant duty (d) repeated duty

Last Answer : (d) repeated duty

The surface of water in a pond remains cool even on a hot day because 1. water evaporates at the surface and evaporation causes cooling 2. the heat absorbed at the surface is transmitted downwards 3. Water in contact with the bottom of the pond becomes cool and rises to the surface due to convection Which of the above statements is/are correct? (a) 1 only (b) 3 only (c) 1 and 3 (d) 1, 2 and 3

Description : The surface of water in a pond remains cool even on a hot day because 1. water evaporates at the surface and evaporation causes cooling 2. the heat absorbed at the surface is transmitted downwards 3. Water in contact with the bottom ... /are correct? (a) 1 only (b) 3 only (c) 1 and 3 (d) 1, 2 and 3

Last Answer : Ans:(a)

What type of currents are caused by temperature and density difference?

Description : What type of currents are caused by temperature and density difference?

Last Answer : Need answer

What causes convection in earths mantle?

Description : What causes convection in earths mantle?

Last Answer : the cycle of heating, cooling, rising, and sinnking

What are the main causes of ocean currents ?

Description : What are the main causes of ocean currents ?

Last Answer : The main cause of ocean currents is wind.

What causes surface currents and deep currents?

Description : What causes surface currents and deep currents?

Last Answer : The gravitation pull on the earth.

The land forms formed by wave erosion is : (1) Spit (2) Beach (3) Cave (4) Barrier island

Description : The land forms formed by wave erosion is : (1) Spit (2) Beach (3) Cave (4) Barrier island

Last Answer : (3) Cave Explanation: Cliffs, caves, arches, stacks are some of the landforms produced by wave erosion. Coves form where rock runs in bands horizontal to the direction of wave attack. ... and erodes using the processes of abrasion/corrosion and hydraulic action through to the soft rock behind.

The land forms formed by wave erosion is : (1) Spit (2) Beach (3) Cave (4) Barrier island

Description : The land forms formed by wave erosion is : (1) Spit (2) Beach (3) Cave (4) Barrier island

Last Answer : Cave

Is a celling fan forcing the warm air downword convection?

Description : Is a celling fan forcing the warm air downword convection?

Last Answer : Need answer

Even after sunset, the air near the Earth's surface continue to receive heat due to – (1) Insolation (2) Terrestrial Radiation (3) Conduction (4) Convection

Description : Even after sunset, the air near the Earth's surface continue to receive heat due to – (1) Insolation (2) Terrestrial Radiation (3) Conduction (4) Convection

Last Answer : (2) Terrestrial Radiation Explanation: Even after the sunset when the sun goes down, the incoming radiation from the sun stops, but there is still a lot of radiation that has been absorbed ... i.e. terrestrial radiation heats up the atmosphere more than the incoming solar radiation i.e. insolation

Mode of heat transfer involved in the cooling of air cooled internal combustion engine is (A) Conduction(B) Natural convection(C) Forced convection(D) None of these

Description : Mode of heat transfer involved in the cooling of air cooled internal combustion engine is (A) Conduction (B) Natural convection (C) Forced convection (D) None of these

Last Answer : (B) Natural convection