F4.A rectangular steel beam between two rigid walls, 96 in. apart, is heated to a uniform temperature 80°F above ambient in the figure below. What is the resultant stress developed in the beam? Assume E = 30 x 10⁰ psi. 6 A 8 sq. in. L 96 in.
Q: Q1: A certain point in the mechanical part shown in Figure below. Use Mol determine: (a) the…
A: Givenσx=60 MN/m2=60MPaσy=-50MN/m2=-50MPaτxy=30MN/m2=30MPa
Q: It is required to compress steam isentropically from 250 kPa to 2.5 MPa, assuming that the steam…
A:
Q: 150 k-ft B -10 ft- -10 ft- 60 k Į с -10 ft-
A: To draw the SFD and BMD for the given loading
Q: In a nuclear reactor, heat is generated in 1-cn diameter cylindrical uranium fuel rods at a rate of…
A: Given Diameter, d = 1 cm Heat generation, q = 4x 107 W/m3 Thermal…
Q: N₂ vapor Tair The boiling temp of nitrogen at 1 atm is -196°C. If the temperature of liquid nitrogen…
A: The thermal resistance of a material is determined by dividing its thickness by its thermal…
Q: Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 300 K, with a…
A: we have t discuss which diagram is correct.
Q: 3m 0 B 1m Figure (1) -2m 12KN LAKN C
A:
Q: 1. Based on the governing equation of the fluid mechanics derive the relationship between the speed…
A: When one or more of the known (i.e. independent) variables change, the governing equations of a…
Q: two forces in the figure below with a single force at point A and a pair whose forces act on the two
A: Force system can be replaced at point a as below
Q: A high-pressure gas cylinder contains 50.0 L of toxic gas at a pressure of 1.40×10^7 N/m^2 and a…
A: Given Volume, V = 50 L = 0.05 m3 Pressure, P1 = 1.4 x 107 N/m2 Temperature, T1 =…
Q: In an irreversible process, there is a Da. Unrestricted expansion O b. no loss of work □c. No gain…
A: During irreversible process, high grade energy is converted into low grade energy, hence there is a…
Q: Q1) A stat of stress is specified in Figure. By using Mohr's circle determine the normal and…
A: we have to determine the stresses on the principal plane
Q: / Replace the two forces in Figure (2) with a single force at the point (A) and double tension (B)…
A:
Q: Calculate the specific enthalpy and specific entropy of 14.356 MPa and 500.356oC.
A: P= 14.356 MPa T= 500.356∘C Note: Use steam tables for find out certain values.
Q: /65 Determine the x- and y-coordinates of the centroid of the shaded area. Ans. X = 133.5 mm, Y =…
A:
Q: Replace the two forces in Figure (2) with a single force at the point (A) and double tension (B)…
A:
Q: Nitrogen flows from a reservoir in which its velocity is negligible and its temperature is 22°C. The…
A: Given: T = 22 + 273 = 295 K M = 2
Q: Q \ Compare between Repulsion motor and Compensated Repulsion motor and Repulsion start induction…
A: Introduction: A repulsion motor is a type of single-phase alternating current motor that operates on…
Q: Air is kept in a tank at pressure Po = 689 KPa abs and temperature To = 17°C. If one allows the air…
A:
Q: Consider the system shown below. If a change of 0.7 kPa in the pressure of air causes the…
A:
Q: A piston-cylinder contains gas initially at 3500 kPaa with a volume of 0.03 m². The gas is…
A:
Q: QUESTION 16 Which of the following are true for the limitations and impracticalities of the turbine…
A: after analysis Carnot vapour cycle the main limitation is CORRECT option A,C,E,F,G. option b and d…
Q: just answer number 40, thank you
A:
Q: are the gases that comes from the burning of fossil fuels, causes acid rain. a) SO3 & HNO2 b) SO₂ &…
A: According to the details provided in the question, we need to explain the above problems.
Q: As shown in figure 4, a combined gas turbine power plant operates with state 5 being an air…
A: Given: For gas turbine T5=300K, P6P5=P7P8=16ηc=80%, ηT=85%m˙a=10 kg/sT8=400oC=673 K For steam…
Q: Shown below is a torsion bar with a torque applied a distance L1 from one end. Th two ends are fixed…
A:
Q: Water flow from a large tank (T1) through a pipe Pipe X which splits into two smaller pipes, which…
A:
Q: T 1 300 K and T. A gas turbine plant operates on the Brayton cycle between 1073 K. Find the maximum…
A: We know that a gas turbine plant works between Tmin=300 K and Tmax=1073 K on the Brayton cycle.The…
Q: A 30-lb crate of eggs rests on the seat of a truck. (The seat may be represented as a straight line…
A: Draw the free-body diagram of the crate of eggs.
Q: : Calculate the applied force to move the process
A:
Q: hat is the capacity of bottles per year of alcohol distillery in philippines? What is the…
A: from the reference of Philippines authority 3.8 million liters capacity of bottle per year. the per…
Q: 1. Based on the governing equation of the fluid mechanics derive the relationship between the speed…
A: When one or more of the known (i.e. independent) variables change, the governing equations of a…
Q: Determine the view factors F32 and F23 between the rectangular surfaces shown in the figure.
A: X=1 mZ1=0.2 mZ2=0.2 mY=0.4 m
Q: f reheat receives steam at 8.0 MPa, 480 o C. Reheat pressure is 0.83 MPa and exhaust pressure is…
A:
Q: Which of the following are true for the limitations and impracticalities of the turbine of the…
A: Limitations and Impracticalities of turbine of the Carnot vapor cycle: Quality of steam decreases…
Q: Figure 2: cylindrical shaft
A:
Q: View "C": Front View Identify: 1. B 2. C 3. Top View 4. Rear View
A: Concept: In order to find the view, observe the given 3D model where view direction arrow is given.…
Q: Determine the allowable shear stress if W= 33,813lb. W W 4W ↓↓↓↓↓↓ 2 ft 6 ft 2 ft ΝΑ 1 in
A:
Q: HW10 In an engine governor of the Porter type, the upper and lower arms are 230 mm and 330 mm…
A: Given: Length of upper arm: →Lu=230 mm=0.23 m Inclination of the upper arm to the vertical:…
Q: IDENTIFY the Isometric projection of the orthographic projection shown below. Choose the correct…
A: According to the details provided in the question.we need to find Isometric view of the object that…
Q: Bodies A and B are connected by a flexible cable as shown in the figure below. The weights of bodies…
A:
Q: Q3: Calculate the applied force to move the process Envierment w 100 lb -0.2 Process W 100 lb μ0.2…
A:
Q: A centrifugal pump running at 900 rpm has an impeller diameter of 500 mm and eye diameter of 200 mm.…
A:
Q: Find the solution to the following linear programming problem using the Graphical method Max (Z)=40…
A:
Q: Consider water flow through a horizontal, short garden hose at a rate of 0.5 kg/s. The velocity at…
A:
Q: or F-101 N and (a) -29°3-21° and (b) 9-25°,3-36⁰ answers:
A: Solution- Given data- F =101 N θ =29º β =21º θ =25º β =…
Q: For the system of forces shown, find the equivalent force-couple system at A. If a single equivalent…
A:
Q: In an undisturbed airstream, where the pressure is 14.7 lb/in² and the density is 0.002377 slugs/ft,…
A:
Q: A combine (gas-steam) cycle produces 40 MW Por the gas cycle, the air enters the compressor at 27°C…
A: Given data Power produced by combine cycle = 40 MW Air entering compressor has the conditions: 27°C…
Q: Q3: Calculate the applied force to move the process
A:
Step by step
Solved in 2 steps with 2 images
- A pressurized cylindrical tank with flat ends is loaded by torques T and tensile forces P (sec figure), The tank has a radius of r = 125 mm and wall thickness t = 6.5 mm. The internal pressure p = 7.25 MPa and the torque T = 850 N m. (a) What is the maximum permissible value of the forces P if the allowable tensile stress in the wall of the cylinder is 160 MPa? (b) If forces P = 400 kN, what is the maximum acceptable internal pressure in the tank?A round bar ABC of length 2L (see figure) rotates about an axis through the midpoint C with constant angular speed w (radians per second). The material of the bar has weight density y. (a) Derive a formula for the tensile stress a’ in the bar as a function of the distance x from the midpoint C. (b) What is the maximum tensile stress a max?A hollow circular pipe (see figure} support s a load P that is uniformly distributed around a cap plate at the top of the lower pipe. The inner and outer diameters of the upper and lower parts of the pipe are d1= 50 mm, d2= 60 mm, rf3 = 57 mm, and d1= 64 mm, respectively. Pipe lengths are Lt= 2 m and L, = 3 m. Neglect the self-weight of the pipes. Assume that cap plate thickness is small compared to I, and E,. Let E = 110 MPa. (a) If the tensile stress in the upper part is d = 10.5 MPa. what is load PI Also, what are reactions ft, at the upper support and R-, at the lower support? What is the stress ar(MPa) in the lower part? (b) Find displacement S(mm) at the cap plate. Plot the axial force diagram (AFD) [Ar(.f)] and axial displacement diagram (ADD)[5(.t)]. (c) Add the uniformly distributed load q along the censorial axis of pipe segment 2. Find q (kN/m) so that It, = 0. Assume that load P from part (a) is also applied.
- A solid circular bar of steel (G = 78 GPa) transmits a torque T = 360 N - m. The allowable stresses in tension, compression, and shear arc 90 MPa, 70 MPa, and 40 MPa, respectively. Also, the allowable tensile strain is 220 x 10-6, Determine the minimum required diameter d of the bar, If the bar diameter d = 40 mm, what is Tmax?A hemispherical window (or viewport) in a decompression chamber (see figure) is subjected to an internal air pressure of 85 psi. The window is attached to the wall of the chamber by 14 bolts. (a) Find the tensile force Fin each bolt and the tensile stress (T in the viewport if the radius of the hemisphere is 14 in. and its thickness is 1.25 in. (b) If the yield stress for each of the 14 bolts is 50 ksi and the factor of safety is 3.0, Find the required bolt diameter. (c) If the stress in the viewport is limited to 500 psi, find the required radius of the hemisphere.A vertical pole of solid, circular cross section is twisted by horizontal forces P = 5kN acting at the ends of a rigid horizontal arm AB (see figure part a). The distance from the outside of the pole to the line of action of each force is c = 125 mm (sec figure part b) and the pole height L = 350 mm. (a) If the allowable shear stress in the pole is 30 MPa, what is the minimum required diameter dminof the pole? (b) What is the torsional stiffness of the pole (kN · m/rad)? Assume that G = 28 GPa. (c) If two translation al springs, each with stiffness k =2550 kN/m, are added at 2c/5 from A and B (see figure part c), repeat part (a) to find dmin. Hint: Consider the pole and pair of springs as "springs in parallel."
- -11 A solid steel bar (G = 11.8 X 106 psi ) of diameter d = 2,0 in. is subjected to torques T = 8.0 kip-in. acting in the directions shown in the figure. Determine the maximum shear, tensile, and compressive stresses in the bar and show these stresses on sketches of properly oriented stress elements. Determine the corresponding maximum strains (shear, tensile, and compressive) in the bar and show these strains on sketches of the deformed elements.A steel pipe is subjected to a quadratic distributed load over its height with the peak intensity q0at the base (see figure). Assume the following pipe properties and dimensions: height L, outside diameter d = 200 mm, and wall thickness f = 10 mm. Allowable stresses for flexure and shear are o~a=125 MPa and Ta= 30 MPa, If L = 2.6 m, Fmd^0ayM (kN/m), assuming that allowable flexure and shear stresses in the pipe are not to be exceeded. If q0= 60 kN/m, find the maximum height Lraajl(m) of the pipe if the allowable flexure and shear stresses in the pipe arc not to be exceeded.: A hollow, pressurized sphere having a radius r = 4.8 in, and wall thickness t = 0.4 in. is lowered into a lake (see figure). The compressed air in the tank is at a pressure of 24 psi (gage pressure when the tank: is out of the water). At what depth D0will the wall of the tank be subjected to a compressive stress of 90 psi?
- A thin-walled circular tube and a solid circular bar of the same material (see figure) are subjected to torsion. The tube and bar have the same cross-sectional area and the same length. What is the ratio of the strain energy U1in the tube to the strain energy U2in the solid bar if the maximum shear stresses are the same in both cases? (For the tube, use the approximate theory for thin-walled bars.)-3 An element of aluminum in the form of a rectangular parallelepiped (see figure) of dimensions a = 5.5 in., h = 4.5 in, and c = 3.5 in. is subjected to iriaxial stresses = 12,500 psi, o. = —5000 psi, and ci. = —1400 psi acting on the x,i, and z faces, respectively. Determine the following quantities: (a) the maxim um shear stress in the material; (b) the changes ..la, .11. and 1c in the dimensions of the element: (C) the change .IJ’ in the volume: (d) the strain energy U stored in the element: (e) the maximum value of cr1 when the change in volume must be limited to 0.021%; and (f) the required value of o when the strain energy must be 900 in.-lb. (Assume E = 10,400 ksi and v = 0.33.)A plastic bar of rectangular cross section (ft = 1.5 in. and h = 3 in.) fits snugly between rigid supporls at room temperature (68oF) but with no initial stress (see Figure). When the temperature of the bar is raised to 160oF, the compressive stress on an inclined plane pq at mid-span becomes 1700 psi. (a) What is the shear stress on plane pq? (Assume a = 60 × 10-6/*t and E = 450 × 103psi.) (b) Draw a stress element oriented to plane pq and show the stresses acting on all laces of this element. (c) If the allowable normal stress is 3400 psi and the allowable shear stress is 1650 psi. what is the maximum load P (in the positive x direction), which can be added at the quarter point (in addition to thermal effects given) without exceeding allowable stress values in the bar?