#7. Suppose I am outside grilling on a 0 °C day. I grill a 0.64 kg steak for 7.0 min. Supposemy grill can transfer heat to my steak at 330 !. How do I like my steaks cooked? Youcan assume that although starting at 0 °C and composed mostly of water, there is no phasechange for the steak. Note that the specific heat capacity for steak is 3490 G: Also notethat a rare steak is cooked to above 130 °F, a meadium-rare steak is cooked to above 140 °F,a medium steak is cooked to above 150 °F, a medium-well steak is cooked to above 160 °F,kg°Cand a well-done steak is cooked to above 165 °F.

Answered: #7. Suppose I am outside grilling on a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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a) A woman tells an engineer that she stands in front of an open refrigerator, she feels cooler. But the engineer tells that it is impossible because the fan of the refrigerator is not running and this is only a psychological effect. Which side do you take ? Why ? b) Hot air at 50 C does not cause a lethal burn on our skin, but water with the same temperature is dangerous and it can burn our skin. Explain the reason? Any SAME answer from the internet sources or your friends will give you ZERO (0) point. *
Provide clear/complete (step by step ) solution as well as a diagram for this problem. The thermodynamic efficiency of a heat engine that rejects heat at a rate of 20 MW when heatis supplied to it at a rate of 60 MW is: A. 33.3% B. 50% C. 66.7% D. 75% Answer: C
11. Consider cylinder A and cylinder B each A having 1 kg of air (R = 287 J/kgK, y = 1.4). The B air in cylinder A 300 K B is perfectly insulated. Cross sectional area of piston of cylinder A and B are 0.4 m² and 0.6 m² respectively. Now the content of cylinder a is heated quasi statically such that the ari pressure as 100 kPa. air as perfect gas and neglecting the area of cross section of rod, done by the air in cylinder a on the air in cylinder B is (a) 20.72 k]/kg (c) 72.08 k/kg (b) 45.08 kJ/kg Tiwari 30.05 k/kg t Tlay "ut Tiwari
Use the equations of isothermal process to answer the simple questions below. 3. During an isothermal expansion the volume increases from 2.3 m³ to 6.7 m. The initiał pressure was observed to be 45 kPag. For a nonflow process, what is the work done in k?
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A piston/cylinder system with a radius of 1m is filled with 0.75kg water at 50˚C and has an initial piston height of 2m (state 1). Heat was transferred to the system such that the water at state 2 became saturated vapor. Afterward, the piston is locked, and the system is heated to 165˚C (state 3).Given the data above, calculate the work, heat transfer, and height of the piston, and create a p-v diagram for the entirety of the process.
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2) Two glass bulbs, one on the left with a volume of 2 liters and the other on the right with avolume of 6 liters, are connected to one another by a thin tube that is initially closed by astopcock. The bulb on the left has 0.1 moles of ideal gas, and the bulb on the right isevacuated. The system is in thermal equilibrium with the surroundings at 300K. When thestopcock is opened, the gas flows out to fill both bulbs. Calculate A for this process. If wewere to insert a propeller to extract work as the gas flows from left to right, what is themaximum amount of work that we could possibly extract?
A 1.5m diameter spherical balloon containing air at (K + 10) kPa is cooled such that the volume is reduced by 25%. For the process, the pressure is proportional to the square of the sphere’s diameter. What is the work done by the surrounding? K=162
B// What are the methods of draught in cooling towers. Demonstrate them with drawings. What is the relationship between the cooling tower and condenser. Q4IIA// Prove for the condenser: %3D + Cow (Tw2-Tw1) when the temperature of cooling water outlet and inlet is equal to saturation temperature of steam and the condensate leaving the condenser respectively; also, the inlet of condenser is dry steam with unity latent heat. Twi 1

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