Q2 Explain the Difference in Temperature of Air

10 marks b Figure Q2 a shows a 1 m2 container filled with 5 kg of water. State and explain the effect on the temperature rise of one factor that has not been taken into account in the.

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If the cylinders heat up enough their pressure will increase and they will explode.

. A refrigerator works between cold body temperature T1 and atmospheric temp Ta whereas the heat pump operates between hot body temp T2 and the atmospheric temperature Ta. D EPED C O PY 359 Table 3. A Explain the working of four stroke and two stroke petrol engine with neat diagram.

Distribution of air pressure is influenced by the temperature of the area. The difference between the two measurements is then explained relatively simply and thus also the choice of the appropriate measurement. What is the difference between the critical point and.

A CO 2 PO 1 Explain the difference between saturated liquid and saturated vapor. 10 marks ii Calculate the final pressure. The volume of the tire is 0025 m³ and 3 the atmospheric pressure is 100 kPa.

When does it happen and why. Absolute pressure is a pressure that is relative to the zero pressure in the empty air-free space of the universe. A refrigerator used for cooling in summer can be used as a heat pump for heating in the winter season.

What type of winds do we have in the US mostly. With fewer air molecules above there is less pressure from the weight of the air above. 1 a Explain the meaning of the statement the specific heat capacity of ice is 2100 J kg 1K1.

Explain how rain is being created in the diagram above 5marks 3 Frontal rainfallWhen two air masses meet they do not mix readily due to differences in temperature and density. View Q2pdf from CHEM PHYSICAL C at UET Taxila. This creates a high pressure area.

Air Standard Cycle 3. Definition of absolute pressure. Air at 150kPa and 323K is filled in a rigid vessel of 005m3 capacity.

The water is cooled to 30 C. Molecules of a gas move randomly. Is there a difference in the temperature of air among the three set-ups.

Heat Index and Wind Chill Q1. The specific heat of the oil is 22 kJkg K. The rate of flow of oil is 1 kgs.

If 30KJ of heat is added then find the final temperature. The pressure in an automobile tire depends on the temperature of the air in the tire. I see it this way.

A front is an imaginary line separating two contrasting air masses. What changes temperature faster. Answer 1 of 5.

In a sealed container they exert a force when they collide with the container walls and this applies pressure to the container. Air needs to be cooled to around -200 C to turn it into a liquid. When the air temperature is 25C the pressure gage reads 210 kPa.

Air stays a gas at room temperature where water stays a liquid in room temperature and becomes a gas only over 100 C. Pressure varies from day to day at the Earth. High in the atmosphere air pressure decreases.

I Determine the initial temperature. Air - density 00012754 gmcm³ Water -. Explain the difference in temperature of air.

If Yuma AZ has a temperature of 110 F and relative humidity of 10 what is the apparent temperature THI in Yuma. Why do breezes travel the direction they do. This reference pressure is the ideal or absolute vacuum.

That means air exerts 147 pounds per square inch psi of pressure at Earths surface. Derive the Tds relation in terms of change in temperature and volume. Where temperature is high the air gets heated and rises.

Explain why when the temperature of the air is increased to 320 K. 10 marks Water 5 kg 1 m 1 MPa Figure Q2. Air conditioners cool and dehumidify.

Equality Q1T1 Q2T2 in effect says. Assume air as an ideal gas. Consider a parallel-flow heat exchanger which is used to cool oil from 70C to 40C using water available at 30CThe outlet temperature of the water is 36C.

So Wp Q2-Q1 COPhp Q2 WR Q2 Q2-Q1 Where hp-heat pump. Derive the expression for work done in polytrophic process. Calculate the pressure of steam at a temperature of 500C and a density of 24 kgm using a the ideal gas equationb the van der Waals equation c the compressibility factor andd the steam table.

B List out the differences between SI. Calculation of Heat Exchanger. If Mobile AL has a temperature of 100 F and relative humidity of 50 what is the apparent temperature.

Low pressure is associated with cloudy skies and wet weather. 21F-1 OL 5 Weather Hazards. The two points of the heat cycle at Q1 and Q2 are equalized when their respective degrees of freedom relative to the prevailing temperature are equal.

Explain a mountain breeze. Above every square inch on the surface of the Earth is 147 pounds of air. Temperature of Water Vapor Trial Temperature of the Air C Initial room temperature Above the ice water Above the boiling water 1 2 3 Average Q1.

Derive an expression for pressure ratio temperature ratio and efficiency for otto cycle. Molecules of a gas move randomly. This creates a low pressure area.

What direction does air pressure push on an object. Temperature and pressure differences. In areas with low temperature the air is cold and heavy so it sinks down.

Determine the efficiency of diesel engine Q5.

What Is The Difference Between Air And Water Temperature Quora