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- In a room 12'-4" by 13'-9" with 8'-0" high ceilings, there is one door 3'x7' and two windows 4' square. Assume there is no waste in materials, and round off your answer to the next larget unit. A. How much wall surface in square feet is there to paint? B. What is the floor area? C. How many gallons of paint will be required to cover the walls with 2 coats of paint if each gallon covers 200 square feet of surface? D. How many lineal feet of cove base floor trim will be required?The stress-strain diagram of a reinforcement steel having a cross-sectional diameter of 12 mmdiameter and 100 mm gage length is determined after its tensile strength test as follows. Based on the stressstrain diagram determine the followings properties of the material (Poisson’s ratio of the material is 0.32) : a) Modulus of elasticityb) Yield strengthc) Toughnessd) Resiliencee) Shear modulusf) Bulk modulusg) Ductility as described bypercent change in lengthA structure was assembled in the format of the figure below. Consider that the densitysurface is uniform and the mass of the horizontal plate is 0,3 kg. It is asked:(a) Calculate the Ix(b) Calculate the Iy
- A ceramic with KIc = 4 MPa m1/2 contains pores with radius a = 5 µm due to incomplete sintering. These pores lead to a decrease in the failure stress of the material in both tension and compression. One in every ten grainboundary junctions contains a void; the grain size of the ceramic is 50 µm. The ceramic fails in compression when the length ℓ of each crack generated at the voids equals one-half of the spacing between the voids. (a) Determine the compression strength of the ceramic, using the equation from Sammis and Ashby. (b) Determine the tensile strength of the ceramic, assuming flaws with size a.A sectional steel cable of 3.00 cm2 has a mass of 2.40 kg per meter. If the cable is 500 m long hanging on a vertical cliff, how far the cable is stretched due to weighs itself? Known young steel modulus 2.00 x 10¹¹ N/m2 . (b). If there are two climbers hanging on the cable, determine how far cable is stretched. The mass of climbers is 60 kg and 70 kg, respectively.Computational analysis has determined that a particular design of glass ceramic component has a maximum allowable tensile stress of 16 MPa Your development team has suggested that a specific grade of Wollastonite with a Youngs Modulus of 90 GPa and a specific surface energy of 0.062 J/m2 may be suitable. What would be the maximum allowable size of any internal pores or defects in the glass ceramic component? (This question has only one correct answer) a. 27.75 µm b. 13.88 mm c. 14.65 mm d. 29.29 µm e. 27.75 mm f. 13.88 µm g. 14.65 µm
- Draw the tensile curves of the following materials, taking into account the appropriate elongation at break, modulus of elasticity and tensile stress, on the side stress-strain graph. a)Low carbon steel (Ecelik=200Gpa),(Syield=300MPa),(Stensile=400MPa) b)High carbon steel (Esteel=200GPa),(Stensile=700MPa) c)Aluminum (Ealuminum=70GPa), (Syield=200MPa),(Stensile=300MPa) d)Cast iron (Ecast iron=120GPa),(Stensile=200MPa)Determine the tensile yield strength (0.2% offset) and the maximum strength of a metal alloy having the following tensile stress-strain diagram. Select one: The tensile yield strength Sy = 100 Mpa and the maximum strength Smax = 250 Mpa. The tensile yield strength Sy = 170 Mpa and the maximum strength Smax = 250 Mpa. The tensile yield strength Sy = 150 Mpa and the maximum strength Smax = 200 Mpa. The tensile yield strength Sy = 240 Mpa and the maximum strength Smax = 250 Mpa. The tensile yield strength Sy = 80 Mpa and the maximum strength Smax = 250 Mpa.An engineer determines that a 60 cm long rod of 1045 HR grade of steel will be subjected to a tension of 20kN. The following two designs requirements must be met: must remain below 145MPa and the rod must stretch less than 0.125mm. Determine an appropriate value for the rod's diameter to meet these two requirements. Round to the nearest milimeter
- Consider the modulus of elasticity of aluminum to be 10,000 lb / in2.Verify homogeneity in the units. An aluminum block of rectangular cross section is subjected to an axial compressive force, if the side measuring 1.5 in changes in length to 1.500132 in, determine the poisson's ratio and the new length of the side measuring 5 cm.Mechanical Engineering. Please help to solve, will upvote after. What is the change in length of a 5-m tin rod if the temperature changes from 11 to245°C?TOPIC: ELASTICITY A load of 50 kg is applied to the lower end of a steel rod 80 cm long and 0.60 cm indiameter. How much will the rod stretch? Y = 190 GPa for steel. Please help me solve this problem with complete solution and box the final answer. Please also draw an illustration based from the given. Thank you!