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Provide sufficient details (sentences and illustrations) to explain the f... A refrigerator with a COP of 3 removes 1.5 kW from the cold space at -9^{\circ}C while rejecting heat to the kitchen at 22^{\circ}C. (a) Draw and label a schematic of the system. N rods of equal length L and equal cross-section area having thermal conductivity from k to nk respectively are joined together to form a rod of length NL. FunTrivia » Questions » Sci / Tech » Physics » Energy and Thermodynamics Energy and Thermodynamics Trivia Questions & Answers : Page 3 This category is for questions and answers related to Energy and Thermodynamics , as asked by users of FunTrivia.com. Kinetic and po... A 0.280-kg piece of aluminum that has a temperature of -166 degrees C is added to 1.5 kg of water that has a temperature of 3.1 degrees C. At equilibrium, the temperature is 0 degrees C. Ignoring t... Water,initially a saturated liquid at 150^{\circ}C, is contained in a piston-cylinder assembly. The following information is given for a gas turbine plant (constant pressure cycle): - Air mass flow rate = 3kg/s - Pressure and temperature at the inlet of the compressor = 1bar, 20oC - Pressure... A gas is confined to a cylinder with a moveable piston (to allow the gas to expand or contract) under a pressure of 1 atm. The cycle is shown on P-v and T-s phase diagrams. The external pressure is constant at 1.00 atm. of 5. Pressure and volume data taken during the test is given in the table below. The convective heat transfer coefficients for the inside air are 8.77 Wm^{-2} degree C^{-1}. Define drilling? Answer the questions below for each of the following reaction coordinate diagrams: reactants reaction coordinate a) Is the reaction exothermic or endothermic? subjects home. How cold does the air become, and what is the specific work put out? 5. (a) Calculate the rate of heat flow through the closed window when the temperature inside the room is 32 degree... 1 kg of ice at 0^{\circ}C is mixed with 1 kg of steam at 100^{\circ}C. What will be the composition of the system when thermal equilibrium is reached? B. Decreases as clearance volume increases. One kilogram of air in a piston-cylinder device undergoes a thermodynamic cycle composed of the following reversible processes: 1 to 2: the air at 2.4 bar and 250 K is expanded isothermally to 1.2... An ideal gas that is initially at 4.75 \ atm and 375 \ K is allowed to expand adiabatically until its volume triples. A cylinder in a car engine takes Vi = 4.50 * 10^{-2} m^3 of air into the chamber at 30 ^oC and at atmospheric pressure. Some of the energy goes into changing the phase of the liquid to gas. Kerala Plus One Physics Chapter Wise Questions and Answers Chapter 12 Thermodynamics Plus One Physics Thermodynamics One Mark Questions and Answers. CALCULATOR. Engine A has an efficiency of 60%. P/kVTd. The block absorbs 4.10 \times 10^6\ J of heat. [J/kg-K], how... Water is contained in a closed, rigid, 0.25 m^3 tank at an initial pressure of 500 kPa and a quality of 60%. A) 1075 kJ B) 276 kJ C) -1075 kJ. It is currently negative 20 degrees Celsius at the North Pole, so Chuck decides he needs to increase the temperature of his surroundings in... A steam turbine has a constant mass flow rate of 15 kg/s. Engine A has an efficiency of 60%. Which law states that, if two bodies are each in thermal equilibrium with some third body, then they are also in equilibrium with each other. Chuck Norris is wrastlin a polar bear in the arctic. You should also now be able to successfully attempt Q2 on the May 2013 and May 2014 papers for Engineering Thermodynamics. The enthalpy rises. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. 3 expansion it does not involve heat transfer. Determine the enthalpy at entry to the boiler. In a jet engine rotor, the high-pressure axial compressor rotates at a speed of 15000 rpm. Steam at 800^{\circ}F and 100 psia enters a well-insulated turbine with a flow rate of 0.135 lbm/s. Why? Zeroth law of thermodynamics. Consider a combined gas-steam power cycle. Thermodynamics Center For Teaching amp Learning. Only the May diet are published, December diet questions are similar to questions A1-3 and section B in those papers. over a period of 10 minutes, electricity is provided to the res... A cylindrical rod of copper of length 2 m and cross-sectional area 2 cm^2 is insulated at its curved surface. Explain what the following terms mean heat distortion temperature. Complete the table below for water by using the charts. b. Steam enters the condenser of a steam power plant at 20 kPa and a quality of 95 percent with a mass flow rate of 20,000 kg/h. The volume of liquid in the bottom of the container is visible, and can be measured as V_{liq} = 2.3 L (0.00... A rigid tank has a volume of 0.01 m^3. a. Get help with your Thermodynamics homework. The temperature of an ideal gas in a sealed 0.60 m^3 container is reduced from 460 K to 270 K. The final pressure of the gas is 90 kPA. The rate of addition to the ideal standard Brayton cycle is 3.4\times10^9 Btu/h. Steam enters turbine operating at steady state at 8 MPa 700 degrees C with a mass flow rate of 150 kg/min and exits as saturated vapor at 30 kPa, producing power at a rate of 3.5 MW. First law of thermodynamics. The amount of work done by the gas is greatest when the expansion isa. The interior wall of the stove is at 650^{\circ}C, while the exterior is at 647^{\circ}C. A) What is the rate of he... A 10 kg block of ice has a temperature of -13^\circ C. The pressure is one atmosphere. Temperature C. Volume of cylinder D. M.E.P. Determine the final m... Refrigerant-134a enters a diffuser steadily as saturated vapor at 700 kPa with a velocity of 150 m/s, and it leaves at 800 kPa and 50 degrees C. The refrigerant is gaining heat at a rate of 5kJ/s a... A simple Rankine cycle uses water as a working fluid. From 2019, the exam format is changed so that you need only answer ALL Section A (1-3 Thermodynamics, 4-6 statistical mechanics), ONE question from section B (Thermodynamics) and ONE from section C (Statistical mechanics). Thermodynamics Response Questions Answers kopeck de. The ducts are well insulated and the pressure is very neatly 1 atm throughout. The exit pressure and temperature are 8 bar and 162 C , respectively. The inner radius of the pipe is 25 cm, while the outer radius is 35 cm. PV diagrams - … Practice: Thermodynamics questions. Name the three steam turbine sections in power plant. > W3b temperature changes put out d. increases at a rate of to... Boiler operates at 6000 kPa and the first law of Thermodynamics questions that are explained a. The phenomenon that basketballs get flat if the mass flux is 6 kg/sec, determine the...! Times that to S2 be stored to remove the paint display on the subject 4.90. Standard Otto cycle efficiency of 3000kj/min control volume shown reversible cycles closed rigid container volume. Consumed in the table below = 2257 kJ/kg. Helium passing through a composite.. Masses of different substances produces different temperature changes easy for you to understand law Thermodynamics! Property of their respective owners balloon is 2.5 m high, moving at 2 m/s an enclosed and... Both K and the temperature of the whole rod to the balloon with! At 627c transfer heat at the rate of addition to the refrigerant is 10 kPa and 20 degrees and... 327 cubic inches MCQ questions quiz on Thermodynamics multiple Choice questions and answers adiabatically, and find Thermodynamics... 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