2. A 5 kg air in a tank changes its temperature from 50°C to 250°C. What is the change in entropy KJ/K. A. 1.23 В. 8.34 C. 4.23 D. 1.72 Answer: D

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Q: A compound bar consisting of bronze, aluminum, and steel segments is loaded axially as shown in the ...

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Q: A vertical channel 152 x 76 (see Table A-7) has a cantilever beam bolted to it as shown. The channel...

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Q: e total time the machiniries

A: Option c) is correct.

Q: Q11/ A disc of mass 4 kg are mounted midway between bearings which may be assumed to be simple suppo...

A: Given: The mass of disc, m = 4 kg The span, L = 480 mm = 0.48 m The diameter of shaft, d = 9 mm = 0....

Q: A power station has to supply load as follows:   Draw the load curve Draw the load-duration curve ...

A: Given: LOAD CURVE:  

Q: When heat is added to a system, the amount of heat added can   increase the temperature.   increas...

A: Different types of thermal processes are: Isobaric process (constant pressure) Isovolumetric proces...

Q: Problem 8: Penny is adjusting the position of a stand up piano of mass m, = 195 kg in her living roo...

A: Please refer the next page for answer.

Q: An aircraft is required to climb with 10° of climb angle. The aircraft has a mass of 30,000 kg and p...

A: Find the lift this aircraft must generate. Mass = 30000 kg  

Q: A gear has 44 teeth of the 20°, full-depth, involute form and a diametral pitch of 12. Compute the f...

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Q: Essay about Practical engineering applications of equilibrium of forces

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Q: During the power stroke of a non-flow energy system, the internal energy of the working fluid is red...

A: Please refer next page for the answer.

Q: A heated flat plate is exposed to the colder air flowing over the plate at a velocity of 35 ft/s. Th...

A: The plate is considered as a plane wall so the heat transfer rate across a plane wall is given by; R...

Q: An elevator weighs 1000 pounds and is supported by a 5/16 inch diameter cable, 1500 feet long. When ...

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Q: 1. Find the transfer function, c(s) - x,(4)/F(), for each of the system shown In the figure below. a...

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Q: ᴛʜᴇ ᴅᴇɴꜱɪᴛʏ ᴏꜰ ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ ᴘᴜʀᴇ ᴍᴇᴛᴀʟꜱ, ᴇxᴘʀᴇꜱꜱ ʏᴏᴜʀ ᴀɴꜱᴡᴇʀ ɪɴ ᴋɢ/ᴍ^3. (Show solution in manner) ...

A:

Q: n, how much does it cost to run the air per month (30 days)?

A: To find total cost

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Q: Process for metals includes casting and forming, machining processes and joining and finishing opera...

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Q: An open test tube at 293 K is Water at 20°C is being pumped from a tank to an elevated tank at the r...

A: Given dataFlow rate of water = 5 x 10-3 m3/sPipe diameter = 4 inch = 101.6 mm = 0.1016 mPump efficie...

Q: A pair of bullocks exerts a force of 120 N on a plough. The field being ploughed is 16 m long . How ...

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Q: In the experiment on the flexural strength of chocolates, what would happen when the thickness is in...

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Q: Determine the required diameter (in inches) of rod ACif the allowable normal stress is 23.44 ksi and...

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Q: A differential band brake below is shown. Determine the braking force in Newtons at the surface of t...

A: GivenP=50hp=37.285kWμ=0.35

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Q: Find the degrees of freedom of the kinematic linkages below. (d)

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Q: 5. Determine the moment about point B for each of the individual three forces acting on the beam, an...

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Q: Examine a different metals and give new forms when alloying. Give at least 10 metal alloying.

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Q: maximum eccentricity of the bush in mm will

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.