Compane the sales of emission of heat by black body mainlained at 727 °c and at 227°C.
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A: The given values are, V0=0.780 cm3d=0.130 mm=0.013 cm∆T=1° C
Q: 70°C ఐస్క్టం A = 60° 70° S=430 e=330 find,2221and Smonf partely
A: Given- A=600i=700e=330δ=430
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A:
Q: metal tanks at 0°C and 100°C, are separated from them by layers lagged copper bar, 14cm long, whose…
A: [Note: May be as given the conductivity of the dirt is wrong. I took the conductivity of dirt as…
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A: The temperature changes,
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A: On considering the setting of thermostat is in Fahrenheit.
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Q: A brass (a-19x 10°c ring of dameter 10.07 cm at 20.0Cia heated and slipped over an alumimum rod…
A: Given:
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Q: 1) Water vopor with oflow rote ot the condenser of a power plont at a pressure of 20xPa and a…
A: Given data- Water vapour flow rate=20000 kg/h Dryness fraction=0.95
Q: A balloon contains 3.9 liters of nitrogen gas at a temperatureof 84 K and a pressure of 101 kPa. If…
A: Ideal Gas law P1V1T1=P2V2T2PV1T1=PV2T2 P1=P2=PV2=V1T2T1 =3.9 liters273+28 K84 K =13.975…
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A: From Newtons law of colling, the rate of change of temperature is proportional to the temperature…
Q: . If a steel band were to fit snugly around the Earth’s equatorat 25°C, but then was heated to 55°C,…
A: Let the initial length (circumference) of the steel band fit around the earth’s equator is L. After…
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Q: A coffee, with a temperature of 60 o C, is pour in a glass with diameter of 10 cm and height of 13…
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Q: A thin, square steel plate, 10 cm on a side, is heated in a blacksmith’sforge to 800°C. If the…
A: Temperature T=800°C=1073 °Kemissivity e =0.60 Area A=0.1×0.1m
Q: The medicinal thermometer commonly used in homes can be read ;0.1°F, whereas those in the doctor’s…
A: Percentage error can be determined as the difference between the true value and the experimental…
Q: Thick fluids such as asphalt and waxes and thepipes in which they flow are often heated in order to…
A: The rate by which heat transfer by radiation be given as,
Q: Temperature.
A: Given: To find the height of upward from the normal position as,
Q: suppose a sKierstanding in the shode is completely clothed nwhite Chead T0 7eet, inclucling a ski…
A: Given, Emissivity = 0.2 Surface temperature=9.5°C Surroundings temperature=-14.5°C Surface area,…
Q: Air 20°C T, = 170°C Steam D=6.03 cm L= 60 m
A: Heat will be transferred from one end of the pipe to the other end. Some of the heat heat in this…
Q: 3. Two medal bars x and Y have the lengths of T0 cm and 30 cm.Both have supplied from one and of the…
A: In-order to calculate the thermal conductivity, Q= (T1-T2)tx X and Y = 70 cm and 30 cm X heats to…
Q: A solid sphere of redivs 30 cm is heated to so0°C before being pleced inside of a refrigerator wkose…
A:
Q: metal tanks at 0°C and 100°C, are separated from them by layers lagged copper bar, 14cm long, whose…
A: [Note: May be as given the conductivity of the dirt is wrong. I took the conductivity of dirt as…
Q: sphere emissivity = 0.42 of radius 25 cm is at 27 degrees celsius is placed in a room with a…
A: Given:- The sphere emissivity e = 0.42 The radius of the sphere = 25 cm = 0.25 m The temperature…
Q: A lagged copper bar, 10 cm long, whose ends are pressed againat metal tanks at 0'C and 100°C, are…
A: Net Thermal resistance = R=∑LKAi Let Cross section area of rod be A mm2 and Thermal Conductivity of…
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