In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 13.8 oC. The temperature at the inside surface of the wall is 18.4 oC. The wall is 0.13 m thick and has an area of 6.8 m2. Assume that one kilowatt hour of electrical energy costs $0.10. How many hours are required for one dollar's worth of energy to be conducted through the wall?

Q: Question 6: Find the required length of a 5 cm-diameter tube to heat water from an inlet temperature…

A: Given data: Diameter of the pipe, d=5 cm=0.05 m Let 'L' be the length of the pipe. Inlet temperature…

Q: The energy required to raise the temperature of 5-kg of Oxygen from 300 K to 301 K in a rigid tank…

A: Given,            Mass of the Oxygen (M) = 5 kg          Temperature difference (∆T) =301K - 300K =…

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Q: Work of 1 Joules is done in stretching a spring from its natural length to 20 cm beyond its natural…

A: Given data: x=20 cmW=1 Joules Need to determine the force required to hold the spring at 20 cm.

Q: - The average specific heat (Cp) of the human body is 3.6 kJ/kg °C. If the body temperature of a…

A:

Q: How much temperature change (in K) needs for 6 kg of aluminium materials with a specific heat…

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Q: Air at 27 Celsius degree receives heat at a constant volume until its temperature reaches 927…

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Q: Heat collector light for solar cells

A: This question is based on the concept of the parabolic solar trough.

Q: last two digit number is: 01

A:

Q: Problem: A plane wall 6.0 cm thick generates heat internally at the rate of 0.3 MW/m³. One side of…

A:

Q: 2. A glass window and a thickness has an area of 5.5 ft² of 5 mm. If one side is at a temperature of…

A: The area of window is The thickness of the window is The temperature of one side of window is The…

Q: 12. The inner and outer glasses of a 2m x 2m double window are at 18 C and 6 C, respectively. If the…

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Q: The rate of heat lost through insulation varies inversely as the thickness of the insulation. The…

A: Given, The thickness of insulation, t1=3.5 in The rate of heat lost, Q˙1=2200 BTU/hr The thickness…

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A:

Q: 31. The rate of heat conduction out of a window on a winter day is rapid enough to chill the air…

A:

Q: A 6000 Kg mass of water is brought to a uniform temperature of 98 ˚C in a heavily insulated tank…

A: Given data as per question

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Q: One wall of a room measures 14 feet long and 8 feet high.  It's contains a window 5 feet wide and…

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Q: On a mild Saturday morning while people are working inside, the furnace keeps the temperature inside…

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Q: yo to analysis syster onditioning system. Given that the refrigerant is R-134a. Tabl ollection on…

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Q: b) Superheated steam at 550 °C is transported from a boiler to the turbine of an electric power…

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Q: The spring of a spring balance is 7.0 cm long when there is no weight on the balance, and it is 85…

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Q: C- The average specific heat (Cp) of the human body is 3.6 kJ/kg- °C. If the body temperature of a…

A:

Q: A vertical piston cylinder assembly containing water is being heated on a stove. During this…

A: Find the change in energy.

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Q: A man of weight 600 N is standing on the top of a building of height 10 m, the energy possessed by…

A: Given data: Weight (w) = 600 N Height (h) = 10 m Need to determine the energy possessed by the man.

Q: The potential energy of water in a cylindrical tank located on top of a building 15m high, is 150…

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Q: A 10 kW drilling machine is used to drill a bore in a small aluminum block of mass 8 kg. How much is…

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Q: ms is suspended from a spring, and the spring stretches 12.1 centimeters. The mass is then removed,…

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Q: C- The average specific heat (Cp) of the human body is 3.6 kJ/kg- °C. If the body temperature of a…

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Q: SANAE IV, a research station of The South African National Antarctic Programme (SANAP), is located…

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Q: store ice is made of wood 5.0 cm thick and has an effective area of 12,000 cm2 and thermal…

A: given x=5cm A=12000cm2 K=0.00027 cal/cm2-sec-°C/cm time t=24 hour  T out=25 oC T in=5 oC

Q: e specific heat of the metal?

A: Answer- 386.1

Basic Thermodynamic Processes

The word 'thermodynamics' can be divided into two words, 'thermo' and 'dynamics'. The word thermo deals with the heat and thermal phenomenon, whereas dynamics deals with forces or external agent that drives the heat flow or aids in the motion of heat.