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The initial volume is 0.1 m^3, the final volume is 0.04 m^3, and the final pressure is 2 bar. Determine the initial pressure, in bar, and the work for the process, in kJ, if a) n=0, b) n=1, c) n=1.3
Knowing that Es = 29 x 106 psi and Ec = 3.6 x 106 psi, determine the normal stresses in the steel and in the concrete when a 150 kip axial centric force P is applied to the post.
A force is applied to the top plate such that a shear stress tau = 26 PA is generated. How fast will the top plate move relative to the bottom plate after a constant velocity is attained?
Compare the efficiency and peak pressure of the cycle with the efficiency and peak pressure that would be obtained if all of the fuel were burnt at constant pressure or at constant volume.
A 3 cm thick stainless steel (thermal diffusivity 0.0000044, k=16.3) initially at 500°C. Calculate the time for the center temperature reaches 120°C.
Determine values of the specific volume of the saturated vapor and saturated liquid. Also, determine their ratios. (c) Determine h(fg) for these same conditions.
The input conditions are 10C and 379 kPa. What are the corresponding changes in internal energy and enthalpy per kilogram of water supplied?
A pressured air supply is needed to generate a 1200-lb load. The incoming air is 100 psig. What is the minimum size of the piston diameter?
Determine the pressure on the piston side of cylinder #1 during extension. If 5gpm is suppled to the piston side of cylinder #1 determine the extension velocity of both cylinders.
The wire stretches 45mm when a tensile force P is applied.knowing that E = 200Gpa, determine the corresponding normal stress in the wire.
Determine expressions for the temperature gradient and the temperature distribution when the surface at x=0 is at temperature T1.
Knowing that a racing car starts sliding at 180mi/h, determine the coefficient of static friction between the tires and the track under the prevailing conditions.
How high was the elevator when the stone was released? With what speed dose the stone strike the bottom of the shaft?
What would your answer be if the convection heat transfer coefficient was increased to 30 W/(m2.°C) as a result of winds? What is the wind-chill factor in this case?
Express the differential condition with proper boundary conditions for steady state one dimensional heat conduction through plate.
An 18-m-long steel wire of 5-mm diameter is observed that the wire stretches 45 mm when a tensile force P is applied.
You are watching an object that is moving in SHM. How much further would it travel before momentarily stopping and then moving back to the left?
The system is cooled at constant pressure until it reaches a quality of 25%. Determine the work in Btu for this process. Is the work done by the system or done on the system?
What is the time required to empty 8m diameter 3m high swimming pool thourgh a 3cm diameter 25 meter long horizontal pipe at the bottom of the pool how long will it take?
A [0/90] square laminate was cured at elevated temperature. Draw the shape of it when it is cooled down to room temperature.
Derive shear modulus G or bulk modulus K of isotropic materials in terms of Young's modulus E and Poisson's ratio v.
The ambient pressure outside the cylinder is 14.6 psia and the local acceleration due to gravity is 31.1 ft/s2. What is the air pressure inside the cylinder in psia and in psig?
How would the wheel diameter and the volumes of the containers holding the working substance affect performance? Are there any practical applications for such a device? Discuss.
Determine the static head efficiency required of the turbine if the total pressure of its exhaust is not to be less than 1.6 bar and the exhaust velcotiy is 300 m/s.
During one part of the motion the particle is observed to move with a constant velocity of 5 in/sec along the y-axis. Calculate the magnitudes of the particle's velocity and the acceleration when it