A spring with 12 active coils and a spring index of 9 supports a static load of 220 N with a deflection of 120 mm. The shear modulus of the spring material is 83 GPa. Working stress is 63 ksi, G = 10,800 ksi. 1. What is the theoretical wire diameter? 2. Determine the number of active coils.
Q: List and know the meaning of the common SI prefixes.
A: This question is based on the concept of SI prefixes. The prefixes are use to show the multiple or…
Q: A U-bolt supports a load of 5,000 lb. The cross-section of the bolt has a diameter of ½ in. How…
A: Given: Load supported by the U-bolt = P=5000 lb Diameter of bolt = d=0.5 in
Q: which humidity would have a lower terminal velocity, 5% 0r 80%?
A: Terminal velocity is defined as the maximum velocity of the object when it falls through a…
Q: Question 1 You are working on a design team at a small orthopaedic firm. You have been asked to…
A:
Q: A material is known to have a fully modified endurance strength of 60 kpsi, a yield strength of 120…
A:
Q: Water contained in a piston-cylinder assembly, initially at 300°F, a quality of 60%, and a volume of…
A: Given:Temperature of water, T=300°FQuality of water, x=60%Volume, V=6 ft3Rate of heat transfer,…
Q: For load P = 100 kN and length L = 2.20 m applying the virtual work method, find the horizontal…
A: P=100kN L=2.2m To find horizontal deflection at point B
Q: Water contained in a piston-cylinder assembly, initially at 300°F, a quality of 60%, and a volume of…
A:
Q: 4. Derive the following relationships (use relationships of partial derivatives): - (b) Cp − Cv =…
A: Find: (a) Cv=-∂U∂VT∂V∂TU(b) Cp-Cv=∂p∂TVV-∂H∂pT
Q: As shown in the figure below, a cylinder fitted with a piston is filled with 600 lb of saturated…
A: Given Data The amount of the saturated ammonia filled in the piston is: m=700 lb The temperature of…
Q: 2. A 0.5 m³ tank holds a two-phase liquid-vapor mixture of carbon dioxide (CO₂) at -17 °C. The…
A:
Q: Three objects are fired into the air with the same initial speed, but at different angles. The…
A: Given data: Same fired speed = v Need to find the false statements.
Q: Refrigerant 134a expands in a piston-cylinder assembly from p₁ = 160 lb/in2 and T₁ = 140°F to p2 =…
A:
Q: Steam, initially at 700 lbf/in.2, 550°F undergoes a polytropic process in a piston-cylinder assembly…
A:
Q: Using the principles to be developed in Chapter 3 on equilibrium, one can determine that the tension…
A: Given-information:- Tension, TAB = 289.8 NWeight W = 25 kg To-Determine:- 1. Mx = 2. Mxw =3. MOB =
Q: Which of the following occurs when the value of Poisson’s ratio is doubled and the modulus of…
A:
Q: i dont understand the encoding... kindly write it on a paper legibly,pls. make the solution more…
A:
Q: PROBLEM 8. A sphere immersed in an incompressible fluid expands according to a given law R = R(t).…
A: given; when sphere immesed then pressure at the surface of sphere(P)=?
Q: Air expands adiabatically in a piston-cylinder assembly from an initial state where p₁ = 100…
A:
Q: Context The needle of a sewing machine makes a repetitive up and down motion which is described by…
A:
Q: Circle the letter corresponding to the correctly aligned set of orthographic views. 1. 2. A 6:6 A E…
A: according to the drawing data we need to find, the right option. that represent the three…
Q: Find the elongation when it is subjected Select one: a. 0.004 mm b. 0.4 mm c. 0.0004 mm d. 0.04 mm…
A: Given : length of steel rod , L = 100 mm tensile strain , ε = 0.004 To find : elongation of a…
Q: hr Q3/ Vehicle A is moving at a constant velocity VA 120 at a location where the speed limit is 100…
A: Given, v_a= 120 kmph, a_p=5 m/s^2
Q: Determine the mass moment of inertia of the shaft about its longitudinal axis (in slugs · ft2). Iz…
A:
Q: 3. A small 25 mm square hole is made in the thin-walled door of a furnace whose inside walls are at…
A:
Q: Water flows through drawn copper tubing of diameter 1.0 cm with roughness 0.0015mm at a rate of…
A: Given Diameter, d = 1 cm Roughness = 0.0015 mm Minor loss factor, k = 1.5 Find Pressure drop, dP
Q: The water flows from the nozzle through a 180-degree elbow. For example, the pipe diameter D-75mm,…
A: Introduction: The continuity equation is used to calculate the velocity of water if the discharge…
Q: Question NO:1 Answers these questions in detail with few explanation of all. a. Highlight various…
A: Given questions: a. Highlight various types of devices with speed more than 60000 rpm. b. Name…
Q: ii. III. iv. For uniformity purposes, assign STATE 1 at the inlet of a high-pressure turbine. The…
A:
Q: A cylindrical tank with closed ends is filled with compressed air at a pressure of 500 kPa. The…
A: Given data:Pressure of air, P=500 kPaTank inner radius, r=2 mwall thickness, t=10 mm
Q: Two rotating rods are connected by slider block P. The rod attached at A rotates with a constant…
A:
Q: A torque of 40,000 N.m is applied to a 10 cm diameter shaft. What is the factor of safety of a…
A:
Q: A steel pipe is supported as indicated in the figure and loaded by a force P at x = Assume L = 10m,…
A:
Q: A material presents S-N fatigue behaviour shown on the right with the fatigue limit being 100 MPa.…
A: Given data: Se= 100 MPa. Diameter of the bar d= 20 mm. To ensure no occurance of the fatigue…
Q: 5. A spring subjected to a mass(m) are designed to be as a damped spring mass system. Suppose the…
A: Given: natural frequency, fn=0.5Hz damping coefficient, ξ=0.2 wave length, λ=10m amplitude, Y0=20cm
Q: Compute the minimum value of plane strain fracture toughness required of a material to satisfy the…
A:
Q: A pirate ship is rapidly approaching your fort! You bravely station yourself at the mounted cannon…
A:
Q: A counter-flow heat exchanger is used to cool 2200 kg/hr of oil (cp=2.5 kJ/kgK), from 100°C to 35°C…
A:
Q: 49. A piping system includes three pumps each having the performance characteristics shown in the…
A: Given Data: Three identical Pump characteristics curve shown in a figure Find: Supply head(ft) of…
Q: The uniform beam is supported by two rods AB and CD that have cross-sectional areas 10 mm² and 15…
A:
Q: Determine the volume change, in ft3, when 1 lb of water, initially saturated liquid, is heated to…
A:
Q: The 4 Mg helicopter maneuvers a horizontal turn having a radius of curvature r Determine: a) The…
A: Given Mass, M = 4 kg Radius, r = 400 mm Velocity, v = 40 m/s Find Angle Force, FL
Q: Q3 Calculate the minimum and maximum torsional shear stresses in the cortical bone that occur during…
A: Given data: Outer Radius = Do = 23 mm = 0.023 m Inner Radius = Di = 14 mm = 0.014 m Torque at…
Q: A gas undergoes a process in a piston-cylinder assembly during which the pressure-specific volume…
A:
Q: A wheel is mounted on a shaft (G= 80x10^9 N/m^2) of length 3 m and radius 1 cm. The wheel is rotated…
A: GivenG=80×109 N/m2L=3mr=1cm=0.01mθ=5degreeT=2.3s
Q: Three objects are fired into the air with the same initial speed, but at diffe projectiles,labeled…
A: Trajectory:- A moving object's trajectory is the path it follows through space as a function of…
Q: A wheel is mounted on a shaft (G= 80x10^9 N/m^2) of length 3 m and radius 1 cm. The wheel is rotated…
A:
Q: Question 1 You are working on a design team at a small orthopaedic firm. You have been asked to…
A: Given: Poisson's ratio: →μ=0.3 Initial diameter of the cylinder: →do=10 mm Change in the…
Q: V If the velocity components of a steady incompressible flow is given by u = 3.xZ 75 where r² = x² +…
A:
Q: The temperature in a pressure cooker during cooking at sea level is measured to be 250°F. Determine…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- A bumping post at the end of a track in a railway yard has a spring constant k = 8.0 MN/m (see figure). The maximum possible displacement d or the end of the striking plate is 450 mm. What is the maximum velocity vmaxthat a railway car of weight W = 545 kN can have without damaging the bumping post when it strikes it?Repeat Problem 2.3-18, but assume that the bar is made of copper alloy. Calculate the displacements SBand Scif P = 50 kips, L = 5 ft = 3/5 in., b1= 2.75 in., b2= 3 in., and E = 16,000 ksi.A small lab scale has a rigid L-shaped frame ABC consisting of a horizontal aim AB (length b = 30 cm) and a vertical arm BC (length c = 20 cm) pivoted at point B. The pivot is attached to the outer frame BCD that stands on a laboratory bench. The position of the pointer at C is controlled by two parallel springs, each having a spring constant k = 3650 N/m. that are attached to a threaded rod. The pitch of the threads is p = 1.5 mm. If the weight is 65 N. how many revolutions of the nut are required to bring the pointer back to the mark?
- Solve the preceding problem if the collar has mass M = 80 kg, the height h = 0.5 m, the length L = 3.0 m, the cross-sectional area A = 350mm2. and the modulus of elasticity E = 170 GPa.A small lab scale has a rigid L-shaped frame ABC consisting of a horizontal arm AB (length b = 10 in.) and a vertical arm BC (length c = 7 in.) pivoted al point B. The pivot is attached to the outer frame BCD that stands on a laboratory bench. The position of the pointer al C is controlled by a spring, Jt = 5 lb/in., that is attached to a threaded rod. The pitch of the threads is p = 1/16 in. Under application of load W, 12 revolutions of the nut are required to bring the pointer back to the mark. Calculate the weight W.A high-strength steel bar used in a large crane has a diameter d = 2.00 in. (sec figure). The steel has a modulus of elasticity E = 29 × 10 psi and Poisson’s ratio is v = 0.29. Because of clearance requirements, the diameter of the bar is limited to 2.001 in. when it is compressed by axial forces. What is the largest compressive load Pmaxthat is permitted?
- A spring with squared and ground ends is used for a load and deflection of 1.2 kN and 20 mm, respectively, with a spring index of 4. The wire diameter is 6 mm and the modulus of rigidity is 84 GPa. Which of the following is the active number of turns of the spring?A helical compression spring is to be used for a maximum load of 1.5 kN using the spring index of 8. The maximum permissible shear stress for the spring wire is 400 MPa. Which of the following is the wire diameter of the spring to be used?(9) A Mercedes Benz gas engine valve spring should not exceed to a cylindrical space of 1¾-in in diameter. The spring index is 6.0 & the maximum load it will have to sustain is l00lb with corresponding deflection of ½-in. The spring is subjected to repeated loading & fatigue must be considered, a low working stress of 40,110psi will be used. Determine: (a) the diameter of wire based on commercial sizes; (b) the number of coils.
- (7) A rod of 0.12in diameter is coiled into a tension spring of 20 effective coils with a mean radius of 1.0in. The modulus of rigidity is 12x106 psi. Determine (a) the stress due to a load 3.0lb; (b) the corresponding spring elongation; (c) If the initial compression in the coils were 1.0lb, what would the stress & elongation be when the 3.0lb load was applied? (d) Determine the natural frequency.A spring (squared and ground) having a pitch 0.75 inch has a mean diameter of 1.5in and a wire diameter of 0.25in. After applying a certain load, the spring deflects 0.5in with a corresponding stress of 30.75 ksi. The spring is to be made of tempered steel wire having a shear modulus of 12 million psi.A 2.5 cm x 7.5 cm steel beam with a length of 61 cm is subjected to a reversed load of 17.8 kN at midpoint. If yield stress and endurance stress are 410 MPa and 155 MPa respectively, what should be the minimum factor of safety? A helical spring has a free length of 203 mm, outside diameter of 115 mm and a wire diameter of 13 mm. It consist of 9.5 coils squared and grounded at the ends. If it is compressed to its solid length, what is the stress in the spring? Let G = 80 GPa.