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In a porter governor, the mass of the central load is 18 kg and the mass of each ball is 2 kg. The top arms are 250 mm while the bottom arms are each 300 mm long. The friction of the sleeve is 14 N. If the top arm makes 450 with the axis of rotation in the equilibrium position, find the range of speed of the governor in the position.
saturated vapor steam at 5 psia eneters an adiabatic heat exchanger and leaves as saturated liquid at 5 psia. the steam
In a steam power station, steam flows steadily through a 0.3 m diameter pipeline from the boiler to the turbine. In the boiler, the steam is at 5 MPa and 400 0 C while reaching the turbine it changes to 2 MPa and 3000 C. There is a loss of heat about..
an 18-m-long steel wire of 5-mm diameter is to be used in the manufacture of a pre-stressed concrete beam. it is
a closed system contains 2-kg of air undergoes an isothermal process from 600 kpa and 200oc to 80 kpa. determine the
A Brayton gas turbine cycle has two stages of compression and two stages of expansion. The pressure ratio across each stage of the compressor and turbine is 3. The air enters each stage of the compressor at 300K and each stage of the turbine at 1..
a smaller power plant produces steam at 3 mpa 600 c in the boiler. it keeps the condenser at 45 c by transfer of 10 mw
For mass-spring-damper accelerometer, calculate the mass needed to achieve mechanical noise limit a_rms = 1 nG if the mechanical resonance frequency is to be f=100 Hz.
Identifies White House structures of three presidents from list provided.
determine the specific volume for the following saturated water a 15 psi x0.5 b 90 psi x0.4 c 145 psi x0.3 d 650 psi
A 0.2-m3 rigid tank contains 8 kg of water (in any phase or phases) at 500 kPa. What is the temperature in the tank? Consider a sealed can that is filled with refrigerant-134a at 20°C. Now a leak develops, and the pressure in the can drops to the loc..
you decde to have 2 hard boiled eggs for breakfast and prepare them by placing 2 refrigerated eggs into a pot of
Plot the pressure gradient as a function of tube diameter for the three flow rates. Assume the tube wall is smooth.
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