4-7 Discussions What are the differences between torsion and tension tests?
Q: 13-15. A freight elevator, including its load, has a mass of 500 kg. It is prevented from rotating b...
A: Answer: (a) The constant acceleration of the elevator : aE = 0.75 m/s2. (b) The tension in the cable...
Q: 14. Draw the top, front, and right-side views of the beam sup- port. PROB. 14 Beam support.
A: Top view of the the beam support is the view when we see the beam support from the top and bean will...
Q: Hydrogen is expanded in a cylinder in an equilibrium process from initial conditions of volume of 0....
A: It is very basic question of thermodynamics. Used concept is work done in a closed system.
Q: (1) A 0.25-in drill rod was heat-treated and ground. Estimate the endurance strength if the rod is u...
A: Find the fully corrected endurance limit.
Q: Determine the angular velocity of the bar AB that would be necessary so that the downward velocity o...
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Q: A In the frame shown the member BCD is connected to member 6 kips 4.8 ft ACF by a smooth peg and slo...
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Q: The rate of flow of water through a horizontal pipe is 240lit/s. The area of the pipe suddenly enlar...
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Q: A vapor compression refrigeration cycle undergoes wet compression and maintains the temperature of t...
A: Given dataRefrigeration cycle : Vapor compression refrigeration cycle with wet compressionTemperatur...
Q: The pressure P exerted by a flowing fluid on a stationary body depends upon the length l of the body...
A: F=fL,V,ρ,μ,gϕF,L,V,ρ,μ,g=0 Quantity DimensionF MLT-2L ...
Q: 5m nas Taz ?
A: Given Data: Length of the beam, L=5 m
Q: The Dipping Bird Machine experiment:explain the dipping bird machine motion in the context of a the...
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Q: In CNC manufacturing chain, CL-data is generated post processor. O before after O None of above
A: CNC is a computer numerical control machine that uses G Codes and M codes for the machining of compo...
Q: Find the friction force if coefficient of friction 0.3 and normal force is 120 N
A: Given data : Coefficient of friction=μ Normal force=N To find : Friction force
Q: Two forces of 800 N and 300 N are acting on a hook and passing through point O as shown in Figure 1....
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Q: Problem 9.10 Part A Determine the equivalent state of stress on an element at the same point oriente...
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Q: Find the gauge pressure at P. Take all dimensions in meters.
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Q: 5/146 The revolving crank ED and connecting link CD cause the rigid frame ABO to oscillate about O. ...
A: Given that, Angular velocity, ω=0.4 rad/sec,Angular acceleration, α=0.06 rad/sec2
Q: - As illustrated in the diagram, a cantilever beam supports a uniform distributed load of 60 kN/m. D...
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Q: (The overall heat transfer coefficient, The critical thickness of insulation and the steady of heat ...
A: Q16 Because heat conduction rate in the plane wall of thickness ∆x is given as: →Q=ka∆T∆x=∆T∆xka=∆Tt...
Q: Water (Cp = 4200 J/kg- °C) is used cool an unknown fluid (with a given Cp = 3810 J/kg.°C) using a tw...
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Q: 4. A sliding gate of height 14mand width 28lies in vertical plane that weighs 25AN. Determine the ve...
A: Given: Height of the gate→h=1.4 m Width of the gate→b=2.8 m And wieght of the plate→W=25 KN because ...
Q: The vibration amplitude of a one degree-of-freedom harmonically forced undamped oscillator is in res...
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Q: An ideal gas with k = 1.4 is flowing through a nozzle such that the Mach number is 2.4 where the flo...
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Q: Assuming that the gyroscope is at a point on the Earth's surface with latitude A and that ws >> 7, 3...
A: GYROSCOPE If the axis of spinning of rotating body is given and angular motion about an axis of spin...
Q: Water flows in the duct as shown in the figure. The duct is 50-cm high and 1-m wide (dimension perpe...
A: Answer: The required value of angle is 49.4642°.
Q: Q 2: A tank contains 21 kg of dry air and 0.3 kg of water vapour at 24°C and 100 kPa total pressure....
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Q: Q2// A heat engine is operating on a Carnot cycle and has a thermal efficiency of 55 percent. The wa...
A: Find the power output and source temperature .
Q: A brass boiler has a base area of 0-15 m2 and thickness 1-0 cm. It boils water at the rate of 6-0 kg...
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Q: (11) The cold-drawn AISI 1018 steel bar shown in the figure is subjected to an axial load fluctuatin...
A: Metal fatigue is a term that describes the sudden failure of metal parts due to gradual fracturing w...
Q: The trunk of a tree is towed by two tractors A and B determine the magnitude of the two forces of th...
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Q: You are designing a robot for engineering students to teach a course online what type of actuator wi...
A: INTRODUCTION Assuming that you will construct robot equipment, picking the right robot components is...
Q: 3 forces are applied to the bracket, determine the range of values of the magnitude of the force P f...
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Q: 40 kN 15 kN 30 3. Two forces are acting on a beam as shown. Determine a single resultant force and s...
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Q: Determine the generated moment about point O. 600 lb 20°[ 0.5 ft
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Q: kindly
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Q: (14) The figure shows a formed round-wire cantilever spring (Sut = 188.1 kpsi) subjected to a varyin...
A: Given that, Sut=188.1 kpsi,Fmax=30 lbf,Fmin=15 lbf, ka=14.4Sut-0.718ka=14.4188.1-0.718=0.335de=0.37d...
Q: Oil is to flow through a pipe at 80°C, and for experimental purposes, the oil flow must be hydrodyna...
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Q: What is the optimal thickness of a plate sheet that can be punched out if the design stress is about...
A: Yield stress=design stress/factor of safety =200/5= 40psi Shear area=πD*t=π*2*t
Q: 53. An 8.00-L sample of gas at 99.0 kPa and 25 deg C is compressed. What is its final pressure at 25...
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Q: Water (Cp = 4200 J/kg. °C) is used cool an unknown fluid (with a given Cp = 3810 J/kg.ºC) using a tw...
A: Find the maximum heat transfer between the fluids.
Q: 2. In this problem you are asked to investigate the effect of system pressure and steam quality on v...
A: Given : To find : Plot void fraction as a function of steam quality
Q: Steam is generated in the boiler of a cogeneration plant at 9 MPa and 450C at a steady rate of 5 kg/...
A: Here we have at 20 kPa h1=hf=251.42 KJ/kgv1=vf=0.001017 m3/kg
Q: A burst of water go out horizontally through a hole near the bottom of the tank as shown in Figure 3...
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Q: A simple heat exchanger is made by installing a close return bend on two 3/4-in Schedule 40 steel pi...
A: Given data as per the question Diameter of pipe =0.75 in =0.0625 ft Flow rate =29.2 gal/min we know ...
Q: A mass of 1.25 kg stretches a spring 0.06 m. The mass is in a medium that exerts a viscous resistanc...
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Q: For the disk rolling without slipping, if its radius r= 1.4 m, and its angular velocity W = 5.6 rad/...
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Q: Water is pumped from the upper reservoir to the lower reservoir through the piping system shown. Det...
A: Mass flow rate of water, m˙=60 kg/sh1=10 mh2=3 mL1=50 mL2=300 mL3=2 mD1=0.2 mD2=0.5 mD3=0.03 mViscos...
Q: Define the Rockwell Scale
A: Rockwell method: It is a hardness testing method that is used to measure the hardness of any metal o...
Q: How is gear ratio defined for gear? the ratio of angular speeds. the ratio of tooth heights. the ...
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Q: 10.Calculate the volumetric flow through nozzle meter if; Nozzle flow coefficient (a) and Nozzle Exp...
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- Example: Convert the change in length data in Table 3-2 to engineering stress and strain and plot a stress-strain curve Homework- help Table 3-2 The results of a tensile test of a 0.505 in. diameter aluminum alloy test bar, initial length (1o) = 2 in. Calculated LTO Load (Ib) Change in Length (in.) Stress (psi) Strain (in./in.) 0.000 1000 0.001 0.0005 4,993 14,978 24,963 34,948 37,445 39,442 39,941 39,691 37,944 3000 0.003 0.0015 5000 0.005 0.0025 7000 0.007 0.0035 7500 0.030 0.0150 7900 0.080 0.0400 8000 (maximum load) 0.120 0.0600 7950 0.160 0.0800 7600 (fracture) 0.205 0.1025Force P and length change AL data are given in table below for the initial portion of a tension test on 7075-T651 Al alloy. The diameter before testing was 9.07 mm., and the gage length Linitial for t length change measurement was 50.8 mm. Calculate corresponding values of engineering stress and strain, and display these values on a stress-strain plot. (use the region for drawing your plot in question sheet) P, kN AL mm 7.22 0.0839 14.34 0.1636 21.06 0.241 0.308 0.380 0.484 0.614 0.924 26.8 31.7 34.1 35.0 36.0 36.5 1.279 36.9 37.2 1.622 1.994Q4/ A. Explain why ceramic materials do not response to the plastic deformation processes? Also clarify why flexural test is applied to ceramics instead of tensile test? B. Estimate whether a cylindrical aluminum oxide sample will fail or not when it subject to flexural test to achieve flexural strength of 390 MPa knowing that the sample radius is 2.5 mm, separation distance is 30 mm, and the applied load is 620 N respectively.
- 28. (II) The bolts on the cylinder head of an engine require tightening to a torque of 95 m · N. If a wrench is 28 cm long, what force perpendicular to the wrench must the mechanic exert at its end? If the six-sided bolt head is 15 mm across (Fig. 8-44), estimate the force applied near each of the six points by a wrench. - 28 cm 15 mm on wrench Fon bolt FIGURE 8–44 Problem 28.A tensile test was conducted on a mild steel& the following data was obtained as follows. Diameter of the steel bar = 3 cm,Gauge length of the bar = 20 cm. Load at elastic limit = 250 kN . Extension at a load of 150kN = 0.21 mm . Maximum load = 380 kN . Total extension = 60 mm . Diameter of the rod at failure = 2. 25 cm Determine: (a) Young’s modulus (b) stress at elastic limit (c)the percentage of elongation (d) Percentage decrease in area.A sample test rod made of a ferrous material of 0.5 in. diameter was tested for tensile strength with the gauge length of 2.5 in. The following observations were recorded: Final length = 3.15 in; Final diameter = 0.275 in; Yield load = 7650 lb. and Ultimate load = 10375 lb. (a) Calculate: 1. yield stress, 2. ultimate tensile stress, 3. percentage reduction in area, and 4. percentage elongation. (b) What specific material, if any, is similar to this tested rod? Refer to AT7 and AT8. (c) This same material is then used as a tension member 55 inches long and is subjected to a maximum load of 6000 lb, repeated but not reversed. (d) Solve part (c) if the total elongation is not to exceed 0.025 in.? 1. %3D
- (a) Two different materials designated A, and B, are tested in tension using test specimens having diameters of 0.505 cm and gage lengths of 2.0 cm (Figure 1). At failure, the distances between the gauge length marks are 2.13 cm (sample A) and 2.48 cm (sample B). Also, at the failure cross-sections, the diameters are found to be 0.484 cm (sample A) and 0.398 cm (sample B), respectively. i. Calculate the percent elongation and percent of area reduction in each specimen. a. Sample A b. Sample B(a) Two different materials designated A, and B, are tested in tension using test specimens having diameters of 0.505 cm and gage lengths of 2.0 cm (Figure 1). At failure, the distances between the gauge length marks are 2.13 cm (sample A) and 2.48 cm (sample B). Also, at the failure cross-sections, the diameters are found to be 0.484 cm (sample A) and 0.398 cm (sample B), respectively. Classify each material as brittle or ductile using your judgement.The following results were obtained in a tensile test on a mild steel specimen of original diameter 28 mm and gauge length 56 mm. Load at limit of proportionality : 96 kN Extension at 96 kN load : 0.068 mm Load at yield point : 105 kN Maximum load : 170 kN When the two parts were fitted together after being broken, the length between gauge length was found to be 65.8 mm and the diameter at the neck was 18.8 mm. Calculate: (a). E, (b).σy, (c).σu, (d). PRIA and PE
- 5b.You used a material to design a system. The more you apply external force, the more the system becomes rigid. Use a sketch to explain how the material is disobeying the stress and strain characteristics. Give two(2) examples.The Highest load sustained druing an uniaxial tensile testing experiment is 7,500lb. If the original cross section has a diamter of 0.25in, what is the ultimate tensile strength? (please also make a drawing)The data shown in the accompanying table are From a tensile test of high-strength steel. The test specimen has a diameter of 0.505 in. and a gage length of 2.00 in. (see figure for Prob. 1.5-3). At fracture, the elongation between the gage marks is 0.12 in. and the minimum diameter is 0.42 in. Plot the conventional stress-strain curve for the steel and determine the proportional limit, modulus of elasticity (the slope of the initial part of thestress-strain curve), yield stress at 0.1% offset, ultimate stress, percent elongation in 2.00 in., and percent reduction in area. TENSILE-TEST DATA FOR PROB. L.5-7 Laid (lb) Elongation (in) 1000 0.0002 2000 0.0006 6000 0.0019 10,000 0.0033 12,000 0.0039 12,900 0.0041 13,400 0.0047 13,600 0.0054 13,800 0.0063 14,000 0.0090 14,400 0.0102 15,200 0.0130 16,800 0.0230 18,400 0.0336 20,000 0.0507 22,400 0.1108 22,600 Fracture