Q.2 An Aluminum plate of area 500cm2 is heated up for 5 seconds and its temperature increases from the 65 °C to 75 °C. If the thickness of Aluminum plate is 2cm then calculate heat energy provided to the plate. If the mass of the Aluminum plate is 3.46 Kg, then evaluate the specific heat capacity. (Thermal conductivity (K) of Aluminum = 250 J/m.k.s. s). %3D

Q: Steel pipe (outer diameter 100 mm) is covered with two layers of insulation. The inner layer, 40 mm…

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Q: In distillation of kerosene, a steel pipeline (k = 47 W/m.°C) with inside surface temperature of…

A: Given that, The inside surface temperature of steel pipe T1 = 250oC  Inside diameter D1 = 8 cm =…

Q: Calculate the heat transfer rate per unit area of a concrete wall with a thickness of 250 mm at a…

A: Given: concrete wall with a thickness = 250 mm           Surface temperatures T1 = 25 °C…

Q: The insulation bricks of 0.3 m, and then buildind bricks of 0.2 m were applied to the firebrick of…

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Q: piece of beef steak 7 cm thick will be frozen in the freezer room -35 ° C. This product has a…

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Q: Steel pipe 1 cm thick, 1.0 m long and 5 cm deep, covered with 2 cm thick insulation. The wall…

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Q: 3. A liquid mixture available at 70 °C having thermal conductivity of 0.6 W/m °C is passed through a…

A: Note-Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: 2-The steady-state temperature distribution in a one-dimensional wall of thermal conductivity…

A: Given steady state temperature distribution in a one-dimensional wall T(oC) = a + bx2. Thermal…

Q: For a stream of water (at 32 °C) flowing over a plate at a constant surface temperature of (90 °C)…

A: Given:  T∞ = Twater = 32 oC            Thermal conductivity of water at 32 oC = 0.6 W/m.k…

Q: 2. Heat is transferred steadily in one direction in a composite plane wall that is made of two…

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Q: A certain material has a thickness of 4 cm and its thermal conductivity is 0.04 W / m.oC. At a…

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Q: The aim is to reduce the thickness of the first steel wall. Between the two walls there is a…

A: Given : Height Thickness Width Expansion rate Weight of wax

Q: The walls of the refrigerated storage room are 10 m long and 3 m high and constructed with 120 mm (k…

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Q: The exhaust duct from a heater has an inside diameter of 114.3 mm with ceramic walls 6.4 mm thick.…

A: Given data: Inside diameter = 114.3 mm Ceramic walls 6.4mm, the average k = 1.52W/mKThermal…

Q: Q1) A brick 1m high, 3m long, and 0.5m thick leaves an oven, where it has been heated to a uniform…

A: Taking.

Q: A spherical object at 10 °C was taken into a bath at 60 °C. The core temperature-time values ​​of…

A: Answer: Initial temperature of the spherical object, T0 = 10°C = 283 K Bath temperature, T∞ = 60°C =…

Q: 19.4 The fuel plates in a nuclear reactor are 4 ft long and stacked with a 1/2-in gap between them.…

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Q: 5. . . ) In a manufacturing process, a long, coated plastic rod (p = 2200 kg/m³, c = 800 J/kg K, k…

A: The time it take to the surface of the rod to reach 175o C, the temperature above which the special…

Q: Water available at 24 C is heated by a heating element having 30 mm outside diameter and 0.4 m…

A: Cp=4180J/kg.∘C k=0.64W/m∘C density(r)=988kg/m3 μ=0.55×10-3N-S/m2 Ts=80∘C length=0.4m do=30mm=0.03m…

Q: The temperature at the inside surface of an oven is 460 °F. The inside wall of the oven is made of…

A: Refer to the figure shown below for the given problem statement. The conversion factor used here is…

Q: A composite wall is formed of a 2.5-cm copper plate, a 3.2-mm layer of asbestos, and a 5-cm layer of…

A: Composite wall dimensions are as follows,Thickness of copper plate = 2.5 cm, Thickness of asbestos =…

Q: The temperature on one side of a 6-in. thick solid wall is 200°F and the temperature on the other…

A: Given that, Thickness of the solid wall x = 6 in × 1 ft12 in = 0.5 ft Temperature on one side of the…

Q: Polymer laminates are formed by “squeezing” two flat sheets of polymer together under high pressure.…

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Q: Q/ The heat transfer rate q over a surface is given by dT 9 = -KA= dy where k = thermal conductivity…

A: Given  K = 0.0125 J/ s .m. k Area  A = 2.5 m2 At y = 1.5

Q: 3- Calculate heat transfer flux of a wall with two layers of insulations. The inner wall is at…

A: The heat transfer flux for the given insulation system is to be determined.

Q: The walls of the refrigerated storage room are 10 m long and 3 m high and constructed with 100 mm…

A: Given data: Thickness of concrete blocks = 100 mm Thermal conductivity of concrete blocks = 0.935…

Q: Problem 2. In cement production the intermediate product which leaves the cement kiln is called…

A: Given that T∞=25 CTi=300 Ch =200 wm2kk=2 wmkTf =50 C

Q: A glass container with an insulating cover with a surface area of (R + 160) cm2 and (R+11) mm thick…

A: Heat transfer is a process by which thermal energy is transferred from a high temperature body to…

Q: A piece of beef steak 5 cm thick will be frozen in the freezer room -25 ° C. This product has a…

A: Given: Thickness of the beef steak, a = 5 cm = 0.05 m Freezer room temperature, Ta = -25°C = 248 K…

Q: A 3-inch Sched 40 steel pipe has a thermal conductivity of k = 15 W/m ° C covered with a 2.5 cm…

A: Given data: Dimension of pipe = 3 in schedule 40 kpipe = 15 W/m.0C Thickness of insulating material…

Q: 1. Suatu pipa 2 inch schedule 40 membawa fluida panas dilapisi isolasi setebal 2 cm. Konduktivitas…

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Q: A piece of beef steak 5 cm thick will be frozen in the freezer room -30 ° C. This product has a…

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Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.