Q1. The clamp shown in the figure applies a force P on the wooden blocks. It ismade of an alloy with the allowable normal stress oallowahie = 165 MPa and the allowable shear stress = 70 MPa. All cross-sections are rectangular with the dimensions as below: Tallowable cross-section a-a, 3 cm x 2 cm cross-section b-b, 2 cm x 2 cm cross-section c-c, 2 cm x 2 cm Calculate the m axim um force P that can be applied by the clamp.
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A: Given Data: Diameter of OB and AB (D) = 100 mm = 0.1 m Radius of disc (r) = 0.5 m Allowable normal…
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Q: Q2 A flat plate with a central hole is subjected to an axial tensile force F of 9.8 KN, as shown in…
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Q: B D F 0.5 m E G 0.2 m 0.3 m 0.3 m tP=90 kN
A: NOTE:- As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…
Q: 2. A plane element in a body is subjected to a compressive stress of 80 MPa accompanied by a shear…
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Q: determine the tensile stress induced in the bolt.
A: For solution refer below images.
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Q: Q2/ A steel bar shown in figure consists of two segments having diameter of AB= 28 mm and BD= 40 mm.…
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Q: Q2) In Fig.(2), the shaft is subjected to reversed loads, F = F 2700 N and P = F 1350 N, where these…
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Q: The rigid bar AB as shown in Figure Q1(a) is supported by a steel road AC having a diameter of 22 mm…
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Q: An aluminum rod is rigidly attached between a steel rod and a bronze rod as shown in the figure.…
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Q: The coupling as shown in figure is made from steel has rectangular cross section is designed to…
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Q: Q.1) For the figure given below, a force P in kN determine the following. a. The location of maximum…
A: For solution refer below images.
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Q: A steel bolt of 6 mm in diameter has a tensile load of 40 kN. Find the average tensile stress at the…
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Q: An alloy steel bar with a yield stress of 250 MPa and Young's modulus of 200 GPa, is loaded and…
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Q: Q2/ for the system shown in figure find the shear stress in the bolts in (A) and (B) knowing that…
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- Saponification is a process wherein soap is added to a certain type of oil to produce grease. One such grease is said to have 75.7 % by volume oil and 24.3% by volume soap, wherein the oil and soap have densities 760 kgm/m3 and 6,250 kgm/m3, respectively. This kind of grease is sold by packs shaped like a sphere with a diameter of 20 cm for convenience. Calculate: a) the mass of oil per pack (kgm), b) the mass of soap per pack (kgm), c) the weight of each pack (kgf), d) the specific weight of grease (N/m3), e) will the grease float if it is placed in water whose density is 1000 kgm/m3? Explain.Citrus trees are very susceptible to cold weather, and extended exposure to subfreezing temperatures can destroy the crop. In order to protect the trees from occasional cold fronts with subfreezing temperatures, tree growers in Florida usu ally install water sprinklers on the trees. When the temperature drops below a certain level, the sprinklers spray water on the trees and their fruits to protect them against the damage the subfreezing temperatures can cause. Explain the basic mecha nism behind this protection measure and write an essay on how the system works in practice.1. Residual oil, with a heating value of 18,480 BTU/bm, is used as a fuel in a power plant which produces 947,870 BTU/s of electricity. The overall efficiency of the power plant is 52 Determine the: a. Heat input, in BTUs b. Daily fuel consumption, in lbm C. Dimensions of the cylindrical storage (assuming length is equal to the diameter), in ft. d. Heat rejected the environment, in BTU/s. The density of the oil is 62 ID/ft.
- According to the U.S. Geological survey, the volume of water in oceans, seas, and bays is 1.41 ✕ 1018 m3. The average concentration of naturally occurring uranium in seawater is 3.15 ✕ 10−6 kg/m3. If 0.670% of naturally occurring uranium is the fissionable isotope U-235 and each fission reaction yields 200 MeV, estimate the amount of time the uranium in the seawater on the planet could meet the planet's energy needs at an average usage of 1.94 ✕ 1013 J/s.A certain gas was produced as a product of a decomposition reaction in a reactor vessel. The reaction generated a certain amount of force that allowed the gas to move at 35 m/s. The diatomic product gas (gamma = 1.36) will be transported adiabatically in a commercial steel pipe with a diameter of 1 inch. If the exit of the reactor and start of the pipe has a same pressure of 6 atm abs. and temperature of 120 degrees Celsius. The molecular weight of the gas is 70.91 kg/kgmol. 2. What is the Mach No. at the entry of the pipe? 0.36 0.41 0.14 none of the given 0.25 0.52 0.63Newtons laws of cooling proposes that the rate of change of temperature is proportional to the temperature difference to the ambient (room) temperature. And can be modelled using the equation: dT/dt = -k (T-Ta)It can also be written as dT/T-Ta = -k dtWhere:T = Temperature of materialTa = Ambient (room) temperaturek = A cooling constanta) integrate both sides of the equation and show that the temperature difference is given by:(T-Ta) = CoE^-kt(Co is a constant for this problem)B) calculate Co if the initial temperature is 70 degrees C and Ta = 20 degrees C?
- An unmanned submarine is equipped with temperature and depth measuring instruments and hasradio equipment that can transmit the output readings of these instruments back to the surface.The submarine is initially floating on the surface of the sea with the instrument output readingsin steady state. The depth measuring instrument is approximately zero order and the temperaturetransducer first order with a time constant of 50 seconds. The water temperature on the seasurface, T0, is 20C and the temperature Tx at a depth of x metres is given by the relation:Tx = T0- 0.01x(a) If the submarine starts diving at time zero, and thereafter goes down at a velocity of 0.5metres/second, draw a table showing the temperature and depth measurements reported atintervals of 100 seconds over the first 500 seconds of travel. Show also in the table the error ineach temperature reading(b) What temperature does the submarine report at a depth of 1000 metres?Residual oil, with a heating value of 18,480 BTU/lbm, is used as a fuel in a power plant which produces 947,870 BTU/s of electricity. The overall efficiency of the power plant is 52%. Determine the: a. Heat input, in BTU/s b. Daily fuel consumption, in lbm c. Dimensions of the cylindrical storage (assuming length is equal to the diameter), in ft. d. Heat rejected to the environment, in BTU/s. The density of the oil is 62 lbm/ft3WASTEWATER ENGINEERING: A wastewater sample has 7.5 x 105 CFU per liter. The allowable fecal coli form concentration is 3500 CFU/L. What should be the length of carrying this wastewater if the flow velocity of the wastewater is 0.75 m/s and the reaction rate constant of decomposition of fecal coliform is 0.24 min-1.
- The same engineer decides to look into rates of cooling for liquids toexperiment with different cooling solutions for servers. She finds thatthe rate of cooling for one liquid can be modelled by the equation:y = 48 × 0.99t(0 ≤ t ≤ 80)where y is the temperature of the liquid in degrees Celsius and t is thetime in minutes.(i) State whether the type of reduction for this model is linear orexponential. Describe how reduction rate differs between linear andexponential functions. (ii) Calculate the temperature when t = 20. [3](iii) Write down the scale factor and use this to find the percentagedecrease in the temperature per minute. (iv) Use the method shown in Subsection 5.2 of Unit 13 to find the timeat which the temperature is 30◦(v) Determine the halving time of the temperature...............asdfghjklzxcvbnmqwertyuiop..Consider the following samples of gases at the same temperature. REFER IMAGE Arrange each of these samples in order from lowest to highest:a. pressureb. average kinetic energyc. densityd. root mean square velocityNote: Some samples of gases may have equal values for these attributes. Assume the larger containers have a volume twice the volume of the smaller containers, and assume the mass of an argon atom is twice the mass of a neon atom.