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The moment of inertia of three rotors A,B and C are respectively 0.3, 0.6 and 0.18 kg-m2 . The distance between A and B is 1.5 m and B and C is 1 m. The shaft is 70 mm in diameter and the modulus of rigidity for the shaft material is 84 x 109 N/m2 . Find (i) the frequencies of torsional vibrations (ii) Position of nodes (iii) Amplitude of vibrations.
Estimate the heat transfer coefficient between air and the inner tube - The air enters at 16oC and leaves at 32oC. Its flow rate is 30 m/s.
Methane is completely burned with 20% excess air, with 30% of the carbon going to CO. What is the partial pressure of the CO in the stack gas if the barometer reads 740 mm Hg, the temperature of the stack gas is 300°F.
for the vapor power cycle steam enters the at 3 mpa and 500 c and leaves at 70 kpa and 200 c. the system is operating
steam enters an adiabatic turbine steadily at 3 mpa and 400 deg c and leaves at 70 kpa and 100 deg c. if the power
a rankine-cycle steam power plant operates at a boiler pressure of 5 mpa and a condenser pressure of 0.01 mpa. the
A 30 ft tape weighing 3 lb and with a cross sectional area of 0.01 in2 was standardized and found to be 30.02 ft at 680F, with 20 lb tension and fully supported . This tape was used to measure a total distance of about 80 ft. The first 60 ft has a ..
Water is the working fluid in an ideal Rankine cycle. Superheated vapor enters the turbine at 10 MPa, 4808C, and the condenser pressure is 6 kPa. Determine for the cycle (a) the rate of heat transfer to the working fluid passing through the stea..
water behind a dam enters an intake pipe at 24psia 5 fts flow through a turbine and exits 200ft below at 19psia 45 fts
a 250 mm bar of 15mm x 30 mm rectangular cross-section consists of two aluminum layers which are 5 mm thick each brazed
the heat flux that is applied to one face of a plane wall is q 20 w m2. the opposite face is exposed to air at
using complete sentences explain the difference between normal and tangential acceleration. can an object have a
a solid cylindrical specimen 200-mm high is compressed to a final height of 60 mm in two steps between frictionless
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