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1.How much the magnitude of modulus of elasticity E of Pyroceram (Glass-ceramic, E0=120 Gpa) decreases with volume fraction porosity P = .1,.2,03,.4,.5,.6,.7,.8,.9?(show the drawing of it ?
2.The modulus of elasticity for boron carbide (B4C) having 5 vol% poroosity is 290GPa compute the modulus of elasticity for the nonporous material.
3.A three point bending test is performed on a glss specimen having a rectangular cross section of hight d =6 mm and width b = 12 mm the distance between support points is 45mm.
compute the flexural strerangth if the load is fracture is 290N
Find max pressure at bottom of gate (psi) 2. Total horizontal force on gate 3. moment about the bottom of the gate
If the queue clears exactly at the end of the effective green D/D/1 queuing applies, determine the total vehicle delay in the cycle (in veh-sec) .
Given the stationing in meters as (4+56) for the PC of a horizontal curve of radius R=1200 meters and angle I=22°. The azimuth of the line PC to PI as AzPC-PI = 155° 30'. A point P is to be located on the curve at stationing of 7+00. Do the following
If the heading of a member function of a class ends with the word const, then the function members cannot modify the private member variables, but can modify the public member variables.
If a mechanical device requires 450J of work to do 310J of work in lifting what is the efficiency of the device?
A 24-inch pipeline branches into a 12-inch and an 18-inch pipe, each of which is 1 mile long, and they re-join back into a 24-inch pipe. If the flow rate is 30 CFS in the main pipe, how will the flow divide, assuming tha
Water is at 9000 kPa and 300 degrees celcius and flows through a partially open valve. Pressure immediately after the valve is measured to be 600 kPa. Calculate the specific internal energy of the water leaving the valve. Neglect kinetic energy ch..
Why is the ‘time value of money' important for the evaluation of engineering projects? Provide at least one practical example to support your view (max 2 pages)
Water with a static pressure of 1.96kN/M2 flows through an 800 mm diameter pipe. A pitot tube pressure gage in this pipe reads a pressure of 5.88 kN/M2. How do you determine the volume flow rate (Q) of the water? (Q = 1.40 M^3/sec, V=2.79 M/sec)
For a cross section of a slope through a jointed rock mass, draw the approximate positions of the water table for the following conditions. (K = relative permeability)
A permeation membrane separates an inlet air stream (79 mol% N2, 21 mol% O2) into a permeate stream and a reject stream. The inlet stream conditions are 293K, 0.5 MPa and 2 mol/min; the conditions for both outlet streams are 293 K and 0.1 MPa.
The magnetic north azimuth of a line is 128 degrees 27' while the magnetic declination is 3 degrees 30'E. What is the astronomic azimuth of the line (in decimal degrees)?
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