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Question: 1. Determine the forces or components of force in all bars of the trusses in Figures P4.50. Indicate tension or compression.
2. Determine the forces or components of force in all bars of the trusses in Figures P4.51. Indicate tension or compression.
a process occurs taking 5kg of mass from state a to state b. the work during this adiabatic process is 5kj. the change
A particular polymer has a critical stress intensity parameter of 5 MPa?m^1/ 2 and a strength of 150 MPa. It is being used as a plate that experiences tension. The maximum stress it is designed to experience is 80% of its strength.
The power input to the compressor is 100 kW. A separate liquid cooling water stream flows through the heat exchanger. All data are for operation at steady state. Stray heat transfer with the surroundings can be neglected, as can all kinetic and po..
For the two processes given below, determine the final temperature, pressure, specific volume, and the changes in internal energy, enthalpy, and entropy. Calculate the final temperature and change in specific internal energy as steel at 212 kPa and 5..
suppose you need a wire with a tensile strength of 80 ksi and a diameter of 0.19 inches. your starting material is a 1
A pin-connected structure consists of a rigid beam ABCD and two supporting bars. Bar (1) is an aluminum alloy [E = 70 GPa] with a cross-sectional area of A1 = 2,400 mm2. determine the normal force in bar (1)
Determine maximum total bending moment (static plus dynamic) of the beam under steady-state conditions.
A piston-cypinder device contains 3 m^3 H2O at 6 MPa, 800 C (state 1). The system is cooled at constant volume to 180 C (state 2). The first process is followed by isothermal process ending with saturated liquid water (state 3).
Refer to the indicated problem and draw complete shear and bending moment diagrams. Show ordinates at key points and indicate magnitude of shear and moment.
1. Rank the magnitudes of the moduli of elasticity for the Will the diameter increase or decrease?
A rope ABCD is looped over two pipes as shown. Knowing that the coefficient of static friction is 0.25,
The mixing process is adiabatic and the mixture is expanded to a condenser pressure of 0.10 bar in a low pressure turbine of 78% internal efficiency. Determine the power output and the thermal efficiency of the plant.
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