polyurethane foam c
Q: A boiler installed where the atmospheric pressure is 755 mm Hg. Has a pressure 12 kg/cm2. What is…
A:
Q: Question 5 Evaluate and simplify sinh O 0.500 j O -0.500 j O -0.866 j O 0.866 j
A:
Q: (1) why the flow faster at the pipe center when you observe few millimeters from the pipe inlet; (2)…
A: INTRODUCTION: Whether the flow is laminar or turbulent determines the form of the velocity profile…
Q: Write down the derivation of formulas and describe each variable for Work and Energy.
A:
Q: In analyzing real processes, when is the entropy balance helpful as opposed to merely being an…
A: We can assume a process from A to B, where the substances flowing in it from A to B. And if the…
Q: 4-A rigid tank is divided into two compartments by a partition. One compartment contains 3 kmol of…
A:
Q: A Carnot engine receives heat from source at 327°C causing an increase in entropy is equal to 5…
A:
Q: A string of linear mass density has one end attached to a vibrating blade, of constant frequency…
A:
Q: 1) A 6061-T6 aluminium alloy flat, simply supported disk valve of 0.2 m diameter and 10 mm thickness…
A: following is the solution to the above problem-
Q: system
A: Hydraulic system performance-associated matters can be grouped into inoperative, slow, fast, and…
Q: The length of a wire increases from 1.25 m to 1.2508 m when a load of 12 kg is suspended. The radius…
A:
Q: Steam enters the high-pressure turbine at 15,000 kPa and 873 K in a 15,000-kW steam power plant that…
A: Given data Conditions at high Pressure conditions : 15000 kPa and 873 K Low Pressure conditions : 4…
Q: Q2/Draw front view of torsion spring with following dimensions: Wire diameter = 3 mm Outer diameter…
A:
Q: A Carnot engine receives heat from source at 327°C causing an increase in entropy is equal to 5…
A: We have a carnot engine that gets heat from a source at 327oC, resulting in a 5 kJ/kgK rise in…
Q: Water flows at steady state. It is siphoned from an open container as shown below. The height of the…
A: Water level in the tank, z1=18.6 ftHeight of point 3, z3=4.2 ftAtmospheric pressure, Patm=14.7 psia
Q: The value of FPQ
A: Given data; From the given figure, Three sets of parallel plates LM,NR and PQ. View factor FU is…
Q: Q13) For the following micrometer: a- What is the part diameter?
A: 13
Q: GEAR ELEMENTS HELICAL GEAR DATA RECOVERY - METRIC INPUT FORMULA 200 MXN 210 PD +2nM 5 rMX COS HELIX…
A: Given Helical gear To find Fill the blank
Q: An open storage vessel has 3 m of oil SG = 0.82 and 6 m of water. The pressure at the bottom is:
A:
Q: Calculate the (total tensile strength) of the mitotic tensile strength test for the information in…
A:
Q: For the rigid frame shown, determine the displacements and rotations of the nodes, element forces…
A:
Q: If an objects start a motion from rest with an acceleration of 3 m/s2, find its speed after 10 s.…
A: Given, Initial velocity = u = 0 m/s (As object starts the motion from rest) Acceleration = a = 3…
Q: Q6) A refrigerator with R-12 as the working fluid has a minimum temperature of -10°C and a maximum…
A:
Q: A gas tungsten arc welding operation is performed using a current 140 A and arc voltage of 15 V at a…
A:
Q: A 4-stroke, 12 square-cylinder piston rotary engine is required for the propulsion of an aircraft…
A:
Q: The power series representation of the function centered at the origin is shown below. Find c - b-a.…
A: The power series respresentation is given by the function, 5-x2x2+x-1=∑n=0∞xna(bn)-b(cn) To find,…
Q: 1. In your opinion which of the two welding techniques do you refer? Left hand or Righthand?
A: I always refer right hand welding technique, because it is more efficient than left hand welding…
Q: Water flows at steady state. It is siphoned from an open container as shown below. The height of the…
A:
Q: Tensile strength of a material is obtained by dividing themaximum load during the test by the
A: According to the details provided in the question, we need to find a formula for tensile strength.
Q: A steel rod, 12 mm in diameter, passes centrally through a copper tube 2.5 m long and having 36 mm…
A: Given Dataαst=1.2×10-5/°Cαcu=1.75×10-5/°CEst=200GPaEcu=100Gpadrod=12mmdo=48mmdi=36mmL=2.5m
Q: A car travelling at a horizontal path (starting from rest) encounter a resistance four times its…
A:
Q: In the arrangement as shown; Gate 'OA' has width of 2 m inside. Hinge passes through O and rope AB…
A: Given:w=2 ms=6.5
Q: Q9) Mention two functions of the wringing motion used in gauge blocks.
A: To find : 2 functions of wringing motion used in gauge blocks
Q: H.W2 Determine the maximum deflection of the simply supported beam. E= 200 GPa and I = 39.9(106) mª.…
A:
Q: 10) in the following figure, if h2-10" and h1=5", then, the angle of taper equal 10" Ⓒa. 60⁰ Hand…
A: These are small blocks of alloy steel. Used in the manufacturing shops as length standards. Not to…
Q: 5.9 (a) Prove that the distribution of specific work (kJ/kg of gas) in the gas and steam turbine…
A: Note: qgt= Heat supplied in gas turbineqst= Heat rejected by gas turbine (or) Heat supplied to steam…
Q: What is the displacement of a hydraulic motor receiving 18 gal/min at 1500 rev /min
A: Given data Q=18 gal/minN=1500 rev/min Here, Q is the discharge and N is the number of revolutions.…
Q: A 16 400⁰ 16 800 E 16 1000 10 10 20²
A:
Q: If the gauge pre ssure in a 50-gal tank half-filled with liquid is 100 lbf/in .2, what would be the…
A:
Q: LOW / HIGH / NO EFFECT If a material is low on Moh’s scale, its impact strength is ____…
A:
Q: If the temperature of the sun is doubled, the rate of energy received on earth will be increased by…
A: Radiation heat transfer delivers energy from the sun to the earth. Heat transfer is directly…
Q: a) What is forced convection? How does it differ from natural convection? Is convection caused by…
A:
Q: A stream function is given by = 4x - 3y. The resultant velocity at any point is
A: From the given question, Stream function = ψ = 4x - 3y X and Y components of velocity can be found…
Q: Find the value of stress Force 2.2 N Area=2 m2
A:
Q: An idelaized centrifugal pump, data given as follows; Blade outer radius of blade = 30 mm Power = 1…
A:
Q: Estimate the power of an electric motor driven power screwthatmoves a nut in a horizontal plane…
A:
Q: Describe what is coining and embossing metal. What is the differences between the two processces?…
A: Coining- 1. Operation in which raised surfaces are created in metal. 2. During operation there is…
Q: Six 7/8-in-diameter rivets fasten the plate in Fig. P-334 to the fixed member. Determine the average…
A: Answer: (a) The average shearing stress caused in each rivet by the 14 kip loads: ◆ Shearing stress…
Q: Find the value of stress Force 2.2 N Area=2 m2
A: Given data : Area is denoted by A Force is denoted by F Required : Stress
Q: Problem 12-9 A curved cantilever AB in the form of quadrant of a circle carries a load W at the free…
A: As illustrated in the diagram, a curved cantilever AB in the shape of a quadrant of a circle…
Step by step
Solved in 2 steps
- To 8. Ti 1. 2. 3. 4" Common Brick 1/2" OSB Sheathing 3-1/2" x 1-1/2" (2x4) Yellow Pine Studding placed on 16" center 4. 5. 3-1/2" Figerglass Insulation 1/2" Drywall A wall of a house as shown in the accompanying sketch is 10 ft. high and 30 ft. long and has no windows. The outside heat transfer coefficient, h., is 6.0 Btu/hr ft2°F and the inside convective heat transfer coefficient hi is 1.45 Btu/hr ft2°F. 6. Calculate the heat loss through the wall if the house is heated such that the room air temperature, Ti, is 70°F on a day when the outside air temperature, T., is 0°F. State all assumptions and list the thermal resistances and thermal conductivities for 3 each selection of the wall. 7. For this problem, what would be the value of the overall heat transfer coefficient, U? Ans: U = 0.056 Btu/hr ft2ºF You are asked to design a metal hot dog holder for roasting hot dogs over an open campfire. The holder is to be designed such that while the end holding the hot dog becomes cherry red…Hon # 41 (s. What type of insulation cannot be stripped with thermal strippers? C PTFE C silicon rubber C PVC Answer Next Figure Back Mark92. An office space of 35'x 25'x15' high. The space contains three (ó'x 2-5') poorly fitt ed doors made af nominal z? wood, and three double- huny mebal un Locked, windows, weather- stripped, (4x 4), the bottom of the lower sash is ea ch 3.5' from the floor. A temperature of 80 F at breath line when it is 10 f outside. is maintained in the space Compute the total heat,loss if, Vwin=15 mph, Uwall0.35 Btu/hr ft?. f Uroof = 0:3 B tu/ hre ft'. f , u,=1.13
- A furnace wall is to consist in series of 7 in of kaolin firebrick, 6 in of kaolin insulating brick, and sufficientfireclay brick to reduce the heat loss to 100 Btu/ hr ft2 when the face temperatures are 1500 and 100°F,respectively.a) Show the figure of the systemb) What thickness of fireclay brick should be used?c) If an effective air gap of 1/8 in can be incorporated between the fireclay and insulating brick whenerecting the wall without impairing its structural support, what thickness of insulating brick will berequired?Consider an insulated pipe exposed to the atmosphere, then the critical radius of insulation: Select one: A. Will be Greater in Calm days. B. Will be Greater in Windy days. C. Will be the same regardless of weather conditions. D. Can be greater in calm days or lower depending on other operating conditions.What is the required insulation for a 270 ft long pipe with inner radius 3.55 inches. Foam will be used with K value 0.02. Outside temperature is 135 degrees F. Please show calculations.
- To 8. 22 1 2 T₁ 3 1. 2. 3. 4" Common Brick 1/2" OSB Sheathing 3-1/2" x 1-1/2" (2x4) Yellow Pine Studding placed on 16" center 4. 5. 3-1/2" Figerglass Insulation 1/2" Drywall A wall of a house as shown in the accompanying sketch is 10 ft. high and 30 ft. long and has no windows. The outside heat transfer coefficient, h., is 6.0 Btu/hr ft2°F and the inside convective heat transfer coefficient hi is 1.45 Btu/hr ft²°F. 6. Calculate the heat loss through the wall if the house is heated such that the room air temperature, Ti, is 70°F on a day when the outside air temperature, T., is 0°F. State all assumptions and list the thermal resistances and thermal conductivities for each selection of the wall. For this problem, what would be the 7. value of the overall heat transfer coefficient, U? Ans: U = 0.056 Btu/hr ft2°F You are asked to design a metal hot dog holder for roasting hot dogs over an open campfire. The holder is to be designed such that while the end holding the hot dog becomes cherry…1. A room has a pine ceiling (k = 0.12 WI(m-Cº) ] that measures 3.0 m x 4.0 m 2.0 cm. On a cold day, the temperature inside the room is 20°C, and the temperature in the attic above is 8°C. If 6.0 cm of glass wool insulation ( k = 0.042 WI(m.Cº) ] were put in above the ceiling, how much energy would be saved in one hour? 2. 2.0-kg block moving with an initial speed of 5 m/s slides on a rough table and is stopped by the force of friction. Assuming that the table and air remain at 24°C, calculate the entropy change of the universe.4. To make a secure fit , rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. A steel rivet 1.871cm in diameter is to be placed in a hole 1.869cm in diameter at 20°C. To what temperature must the rivet be cooled if it is to fit in the hole?
- b) A steel pipe of 100mm bore and 7mm thickness transports steam at 260 °C. The pipe is insulated with 40mm of a molded high temperature diatomaceous earth covering. This covering is in turn insulated with 60mm of asbestos. If the atmospheric temperature is 25 °C, calculate the rate at which heat is lost by the steam per meter length of the pipe.ha T. R h Ta = 40 W/m °C %3D pipe L=1 m; R, = 0.05m; R2 = 0.052m; Tin = 70°C; Tout = 20°C; hn = 30 W/m2 °C; hout = 20 W/m2 °C; K The total thermal resistance of insulated steam pipe, if a 0.03m thickness of fiberglass insulation (K fibergias = 0.04 W/m. °C) is added to pipe to save heat losses. 3°C/W Ob - 2°CW -1°C/W Od. No answer is correctT1 and T2 in brass rod in thermal conductivity test are located in direction that Select one: a. T2 on the heating side and T1 on the cooling side b. T1 and T2 are both on the cooling side c. T1 and T2 are both on the heating side d. T1 on the heating side and T2 on the cooling side