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An electronic instrument of mass 20 kg is to be isolated from engine vibrations with frequencies ranging from 1000 rpm to 3000 rpm. Find the stiffness of the undamped isolator to be used to achieve a 90% isolation.
Propane (C3H8) burns completely with the theoretical amount of air at 608F, 1 atm, 90% relative humidity. Determine
What is the prudent economic decision and recalculate the above problem for this higher, i.e. 11%, return on investment.
a stone is released from an elevator moving up at a speed of 12 fts and reaches the bottom of the shaft in 2.5 s. a how
what is the effect of increasing the boiler pressure in a steam power plant modeled as an ideal rankine cycle with
liquid propane c3h8 enters a combustion chamber at 25 c at a rate of 1.2 kgmin where it is mixed and burned with 150
air is compressed by an adiabatic compressor from 100 kpa and 20 degc to 1.8 mpa and 400 degc. air enters the
A slender rod 0.6 m long rotates about an axis perpendicular to its length and 0.14 m from its center of gravity. If the rod has a mass of 8 kg, determine its mass moment of inertia about this axis
Calculate the expected evaporation rate (kg/h · m2) for a test with water and air under the foregoing conditions, using the known value of DAB for the vapor-air mixture.
The applied load on a shallow square foundation makes an angle of 208 with the vertical. Given: B 55 ft, Df 5 3 ft, g 5 115 lb/ft3, f9 5 258, and c9 5 600 lb/ft2. Use FS 5 3 and determine the gross inclined allowable load. Use Eq. (4.26).
While the outer surface exposed to the ambient air at 30oC with heat transfer co-efficient of 17 W/m2K. Calculate heat loss for 3 m length of the tube.
if a particles position is described by the polar coordinates r 2 sin 2u m and u 4t rad where t is in seconds
A specimen of Aluminium having a rectangular cross section 10 mm x 12.7 mm is pulled in tension with 25,500 N force, producing only elastic deformation. Calculate the resulting strain.
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