Q1: If a calorimeter is not assumed to be adiabatic, how would one calculate the heat transfer?
Q: Thermodynamics Specific Heats question: 2.5 kg of nitrogen gas initially at a temperature of 300 K…
A: Given data,
Q: 1) A piston-cylinder system containing 1100 grams of an ideal gas ‘X’ is cooled from 900 K to 100 K…
A:
Q: A block of wood floats in water with 7 inches projecting above the water surface. If the same block…
A:
Q: 2.) The specific weight of a certain gas was 3.53 dyne/cm^3 at pressure gage 1.4 MPa and gas…
A: Given: specific weight = 3.53 dyne/cm3 Pgage = 1.4 MPa R = 746.36 J/kgK Useful conversion…
Q: aple 2: Convert the quantities 300 lb.s and 52 slug/ft’ to appropriate S tion: Using Table 1-2, 1 lb…
A: Solution:
Q: Air at 27 Celsius degree receives heat at a constant volume until its temperature reaches 927…
A: Given: T1=27°CT2=927 °C
Q: The energy of a body is its energy due to its position or elevation. potential energy kinetic energy…
A: First question Q. 1 There are different types of microscopic and macroscopic forms of energy.…
Q: 1) If a gas is heated against a pressure, keeping the volume constant, then work done will be equal…
A: 1) The work done is given by W=P∆V, where P is pressure and ∆V is change in volume For a constant…
Q: For a refrigerator or air conditioner, the coefficient of performance K (often denoted as COP) is…
A: Concept:-COP=cooling output J or WInput electrical energy J or W J=Joule…
Q: 1.1 Place the following quantities of energy in order from highest energy content to lowest: 1…
A:
Q: PROBLEM 1. A closed system of constant volume experiences a temperature ri 25°C when a certain…
A: Given:m=2.5 kgCv=1.2 kJ/kg.K∆T=25o CQ=30 kJ
Q: Subject: Thermodynamics An air bubble rises from the bottom pf a water storage tank. The…
A:
Q: the specific heat (cp or cv) can also be understood as a "capacity or ability of a given material to…
A: Specific heat: The specific heat for any material is defined as, the amount of heat required to to…
Q: ii) Determine the maximum temperature required for the water of 1.5 liters to prepare Arabic coffee…
A:
Q: Q1\ A 80°C cup of coffee left in 25°C room. After 5 minutes, the temperature of the coffee is 75°.…
A:
Q: Fill in the data omitted in the following table for water. Pressure Temperature Specific volume…
A:
Q: ror penguins dive deeper into sea water than any other bird. An Emperor penguin weighing 245 newtons…
A: from law of hydrostatics ,pressure due to water column= ρ g xx =depth =450 ft + 1.1 m= 138.26 mg =…
Q: Section F Type your answer. A sealed rig (1 m3) contains 2 kg of water (liquid PLUS vapour) at 20°C.…
A: Given Data T1=20°C Rigid container T2=95°C V=1 m3
Q: P1.1 Identify the thermodynamic systems that may be useful in the analysis of the following physical…
A:
Q: 635 lbft (pounds feet) to kNm (kilo-Newton meter). kindly identify what topic is this in…
A: Given:- 635 lb_ft (pounds feet) To Do:- Convert it into kN_m
Q: 1. Discuss the transfer of heat via convection.
A: Convection: The convection is a type of modes of heat transfer under which the heat is transferred…
Q: 4. A gas at a temperature of 20°C and 1.5 bar occupies a volume of 0.105m. If the gas is compressed…
A: Given data: T1=20°CP1=1.5 barV1=0.105 m3P2=7.5 barV2=0.04 m3 Need to determine the final temperature…
Q: 1. DISCUSS youl IC3uit. 2. A body whose mass (5 kg) is affected by a force of (5N). If this body…
A:
Q: 5. A logging firm in Isabela operates a diesel electric plant to supply its electric energy…
A: Given Data: The power produced, P=2700 kWh
Q: 1. As seen in Fig P1.2 from the textbook, water circulates through household piping to be used by…
A: The given devices are : water heater dishwasher shower water meter
Q: 1- A container filled with a sample of an ideal gas at the pressure of 1.5 atm. The gas is…
A: 1) Given data Initial pressure (P1) = 1.5 atm Let initial volume be V final volume = V/4 To…
Q: Q2) When a body is removed from an oven, its temperature is measured at 210°F. Four minutes later…
A: Lumped system analysis Lumped system analysis assumes a uniform temperature distribution throughout…
Q: Given the following situations, tell whether it applies the first law of thermodynamics or second…
A: According to 1st law, energy is a conserved property and it can neither be created nor be destroyed…
Q: Joules constant, 4.1868 Jcal, is an equivalence relation for 4.1868 Joules of work for 1 calorie of…
A: Given Data: Joule's constant is 1 cal=4.1868 J. 1 BTU = 252 cal. The given BTU is 5.2 BTU. 5.2 BTU…
Q: Calculate the weight of air (in pounds) contained within a room 23 ft long, 10 ft wide, and 30 ft…
A: Given data dimension of room = 23 ft*10 ft*30 ft Pressure = 2175 lb/ft2 Temperature = 56.0oF = (56…
Q: A 3,500-seat auditorium is to be air-conditioned using window units 10 kW nominal value. Assume that…
A:
Q: (1) The list consisting only of intensive properties is a) Volume, temperature, pressure. (c)…
A: *As per our guidelines we are supposed to answer first three sub-parts of the question. Kindly…
Q: For the following table, fill in the missing values. Tparcel refers to the temperature of a single…
A: The table is filled along with the reason for the blank fulfillment so that you can understand it.
Q: A series of pistons / cylinders positioned horizontally within a constant- temperature bath. The…
A: From the given data,
Q: 1. At 25° API specific gravity, what is the heating value of oil in Btu/lb?
A: Note: Since you have asked multiple question, we will solve the first question for you. If you want…
Q: In a three-phase separator, gas, oil, and water are separated into layers of different depths. The…
A:
Q: A thermodynamics system is defined as a quantity of matter or a region in space chosen for study,…
A:
Q: You are a student at the HTU University, the instructor of the fundamental of thermodynamic course…
A: Thermodynamics is basically the study of heat, temperature, and their effect on the system. It…
Q: 1.0 A mass of ice at -7 °C is needed to cool 224 kg of vegetables (Cp = 3.35 KJ kg.K )ir a bunker…
A:
Q: A child takes a helium balloon on a plane from Denver (with an air pressure of 0.83 atm) on a cool…
A: Given, Denver, Atmospheric pressure P1 = 0.83 atm Temperature T1 = 20o C = 293 K Volume of ballon V1…
Q: A 4318 Ibm automobile is stopped at a red light. When the light changes to green, the automobile…
A: Given data The mass of the automobile is m=4318 lbm=4318 lbm×0.45351 lbm=1958.61 kg The initial…
Q: 4. Magnolia Dairy products plant must cool 4000 gallons of fresh milk received from the farm per day…
A: Given data: m=4000 gallons1.03×8.6 lbs1 gallon=35432 lbCp=0.935Ti=80°FTf=38°FdT=15°F Need to…
Q: 1. Find the mass and weight of the air in a room at 20 deg Celsius with a 7.0m x 9.0m floor and a…
A:
Q: EXPERIMENT PROBLEM: A certain mechanical device with a mechanism similar to a piston contains a…
A:
Q: A temperature scale of certain thermometer is given by the relation t = a ln p + b where a and b are…
A: Given data: Temperature scale relation of a thermometer, t = alnp+b. Thermometric property at ice…
Q: HW2: Choose one instrument used in medical health physics and describe its function ( how it works)
A: Considering an X-ray machine for our home work. An X-ray machine is a device which emits high energy…
Q: An adiabatic room (with dimensions, LxWxH) with the smallest side equal to 5.25 meters initially…
A:
Step by step
Solved in 2 steps
- An electric hot water heater consumes 3.1 kilowatts of electricity and converts it to heat. How long will it take the water heater to heat a 67 gallon tank of water from 10 degrees Celsius to 50 degrees Celsius? (1 kilogram of water is 0.37 gallons, 1 Calorie = 4200 J). It may be helpful to refer back to the weekly handout for guidance on this problem. Your final answer should be in minutes (rounded to the nearest 10 minutes).Hello, I am a mechanical engineering student and want to upload this question as I have an exam in early June about thermodynamics. I have been given a question that will help me answer my exams in June. Please could you answer showing step by step guidance on how to answer this question with the formula clearly shown. Thank you very muchre | https://eagleonline.hccs.edu/courses/156500/quizzes/969413/take Question 39 5 pts Perform the following temperature unit conversions: (a) Convert a temperature of 52°C to 'F °R, and K. (b) Convert a temperature of -40°F to °C, K, and °R. Relevant formulae are given below T (°C) = T (K) - 273.15 T ('F) = T (°R) - 459.67 T(F) = 1.8T (°C) + 32 Upload Choose a File 5 pts tion 40
- HEAT TRANSFER CASE: I want to know what temperature in (°F) the cylinder will have inside. It's a heat transfer problem. what is T2 ? HEAT TRANSFER They gave me an answer all squashed together that i can't make sense of it. If you could help me makes sense of it thank you!Q1. The following data is obtained during geothermal drilling operation. Rock density = 1550 kg/m ³, heat capacity of the rock = 0.00163 J/kg K, temperature difference = 80 K. How much will be the thermal heat content of the rock at the geothermal site? Discuss about geothermal gradients their importance in energy exploration. Do you think utilization of geothermal energy worldwide is increasing yearly? Justify your answer. Do you think the geothermal energy available in this site can be used for a metal melting industry?1. The development of thermodynamics since the 17th century, which was pioneered by the invention of the steam engine in England, and was followed by thermodynamic scientists such as Willian Rankine, Rudolph Clausius, and Lord Kelvin in the 19th century. explain what the findings or theories of the 3 inventors are! Please answer fast max 25-30.minutes thank u
- Jes 1:01 i docs.google.com/forms what is the Physicists recognize four fundamental forces.* Flectrical force O - Gravitational force -Strong nuclear force Weak nuclear force O -Muscular force Force of friction Ff is described by • Ff = µN * O p synovlal fluld in the Joints P -coefficient of fraction between two surface in The temperature of the human body is normally about 98.6°F.calculate the temperature of the body "C* oC = (5/9)x(oF-32) =5/9(98.6- 32)-37 oc oc=(9/5)x(of -32) =9/5(98,6-32) =13,3 Under resting conditions the body energy is being used as follows * O 27% by the liver and splee O 20-%by the skeletal musules Under resting conditions the body energy is being used as follows. O 19% by the brain. 15% by the kidney. We can write the first law of thermodynamics as: * O AU-AQ -A.. O AU-AQ +AW. 1kcal = J O 1 Kcal =4184j. O O O OThermodynamics systems have been playing important roles in our life.Briefly show One suitable calculation analysisConduction Heat Transfer X material (a) material (b) . both (a) and (b) have the same thermal conductivity the temperature distribution is independent of thermal conductivity it's not that simple 9. Fin efficiency is defined as: • tanh (mL) (hP/k Ac)1/2 (heat transfer with fin) / (heat transfer without fin) (actual heat transfer through fin) / (heat transfer assuming all fin is at T = Tb) (Tx=L-Tf)/(Tb-Tf) 10. For an infinite fin, the temperature distribution is given by: (T-Tf)/(Tb-Tf)= e-mx. The heat flow through the fin is therefore given by: k (Tb-Tf)/L ● zero, because the fin is infinite ● infinite because the fin is infinite ● (Tb-Tf) (hP/k Ac)1/2 ● (Tb – Tf) (h P / k Ac)1/2 tanh (mL) 11. The Biot number, Bi, is defined as: • Bi=hk/L • Bi=hL/k • Bi= k/LH • Bi=qL/k • Bi=p UL/k 12. For a plate of length L, thickness, t, and width, W, subjected to convection on the two faces of area L x W. What is the correct length scale for use in the Biot number? . L ● W ● t • t/2 • L/2 13. If Bi…
- Mechanical engineering thermodynamics. Handwritten solution accepted. (3-150) In an article on tire maintenance, it is stated that tires lose air over time, and pressure losses as high as 90 kPa (13 psi) per year are measured. The article recommends checking tire pressure at least once a month to avoid low tire pressure that hurts fuel efficiency and causes uneven thread wear on tires. Taking the beginning tire pressure to be 220 kPa (gage) and the atmospheric pressure to be 100 kPa, determine the fraction of air that can be lost from a tire per year.Newton's Law of cooling states that the rate at which heat is lost by a heated body is proportional to the difference in temperature between the body and the surrounding medium. Match the following statements/phrases with the corresponding item in the drop down box. Choices in the box 1. In accordance with the stated law obove, we have the equation? 2. If a thermometer is taken outdoors where the temperoture is 5 deg C, from a room in which the temperature is 20 deg C and the reading drops 10 deg C in one minute, the working equation is? 3. In the obove problem, separoting the variables and integrating will result to? 4. In the obove problem, how long, in minutes, after its removal from the room will the reading be 6 deg C? 5. In the obove problem, ofter 30 seconds, whot will be the thermometer reading? 5.2 dT(body temp)/dt = k(Temp of medium - 5) dr(body temp)/dt = k(Temp of body - Temp of medium) Temp of body = Cenkt +5 2.5 13.7 dr(body temp)/dt = k(Temp of medium - Temp of body)…Which two of the following are best correct statements for the wall with the temperature distribution shown below: A) The heat flux would be constant at any location in the wall B) It is unclear if heat is being generated within the wall C) Heat does not flow across the centerline D) Everywhere inside the wall, heat flows only to the right( same direction as the x-direction E) If the convection outside the wall is occuring with a normal magnitude of h, then it can be expected that Ts >> Tinfinity