What is the vickers hardness number for that sample
If in vickers hardness test a sample is tested at 30kgf load and length of diagonals measured were 0.497 mm and 0.502 mm then what is the vickers hardness number for that sample?
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For the water, evaluate the heat transfer, in kJ, for each stage of heating. Ignore Kinetic Energy and Potential Energy effects.
The steel frame (E=200GPa) shown has a diagonal brace BD with an area of 1920mm^2. Determine the largest allowable load P if the change in length of member BD is not to exceed 1.6 mm.
Two point charges are on the y-axis. A 5.5 µC charge is located at y = 1.15 cm, and a -2.26 µC charge is located at y = -1.30 cm. (a) Find the total electric potential at the origin.
After recrystallization of the 2.0g sample, how much of cmpd X willremain dissolved in the cold solvent (how much is not recoveredafter recrystallization.)
Why is it important to use only the minimal amt of hot solventneeded to achieve a recrystallization? What would be the effect of using too much solvent while dissolving a solid for recrystallization?
Two identical point charges (q = +7.25 10-6 C) are fixed at diagonally opposite corners of a square with sides of length 0.485 m. A test charge (q0 = -2.60 10-8 C), with a mass of 7.05 10-8 kg, is released from rest at one of the empty corners of t
Determine the cycle's coefficient of performance. Use constant specific heat at room temperature. Consider problem 1 again but this time the compressor and turbine have isentropic efficiencies of 87% and 92% respectively.
An element consists of isotopes. The abundance of one isotope is 60.1% and its atomic mass is 68.9256 u. The atomic mass of the second isotope is 70.9247 u. What is the average atomic mass of the element?
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