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A tension Q is maintained in cord shown as it passes over pulleys of diameter d. Neglecting weight of the rod and pulleys, express magnitude of the force P corresponding to equilibrium in terms of Q
A fluid at 0.7 bar occupying 0.09 m3 is compressed reversibly to a pressure of 3.5 bar according to law pvn = constant. The fluid is then heated reversibly at constant volume until pressure is 4 bar
A force P of magnitude 90 lb is applied to member ACE , that is supported by the friction less pin at D and by the cable ABE. As the cable passes over a small pulley at B, determine the tension in
Compute the energy of vacancy formation in silver, given that equilibrium number of vacancies at 800 °C (1073K) is 3.6x1023 m-3. The atomic weight and density (at 800 °C) for silver are, respe
A plastic beam shown below, having a box section, where the top plate is cemented in place, as indicated. All dimensions are in millimeters. For the 12kN load shown, what is the shear stress acting
Draw signal-flow graph equivalence of the block diagram below and obtain closed-loop transfer function between R(s) and C(s).
Using Roskam KU “quick look” charts to estimate the mass moment of inertia for an Airbus A321 airliner flying at a weight of 175,000 [lbs] in pitch roll and yaw.
A piston-cylinder contains 0.1kg of superheated steam at 180 degrees celsius and 5 bars. The pison is frictionless and freely floating.What is the final temperature and change in internal energy for
Fick’s first law of diffusion should be used in cases where Steady state diffusion occurs, there is change in flux with distance.
10-kg of R-134a fill a 1.348-m3 rigid container at an initial temperature of -40° C. The container is then heated until pressure is 200 kPa. Find out the final temperature and the initial pressu
Locate all the instant centers for the mechanism shown in figure.
A manufacturer lists the specifications of a dynamic tension-compression load cell as follows: Undamped natural frequency = 1000 Hz. If a dynamic force is applied to the load cell. Find out the stead
A hexagonal pyramid side of base 35 mm and base 50 mm long rests with one of the edges of base on HP and its axis is inclined 30o to HP and parallel to the VP. Draw its projections.
A hexagonal pyramid of 26 mm side of base and altitude 70 mm rests on HP on one of its base edges in such as way that the triangular face having the resting edge is perpendicular to both HP and VP.
A thin rectangular plate of sides 60 mm x 30 mm has its shorter side in VP and inclined at 30o to HP. Project its top view if the front view is a square of 30 mm long sides.
The projections of the different points are shown in the figure. State the position of the points in relation to the reference planes. The distances marked are in millimeters.
Construct a diagonal scale of R.F 1:3200000 to show kilometers and long enough to measure up to 400 km. Show distances of 257 km and 333 km on the scale.
Draw the path traced by a moving point when its distance from the focus and fixed straight line is equivalent. The distance of focus from directrix is 40 mm. Draw the tangent and normal at any point
Find out the intercooler pressure for perfect inter-cooling. Also, find out the minimum power needed for compression, and percentage saving over single phase compression. Tame R = 0.287 kJ/kg K and
In an air standard Otto cycle the condition of air at the beginning is 1 bar, 300 K, compression ratio is 7. The heat supplied is 800 kJ/kg. Determine.
Draw the labeled layout of a Rankine cycle with Reheat and regeneration process and describe.
A refrigerator plant operates on reversed Carnot heat engine cycle. It is maintained at a temperature of -5oC and the heat rejected at the rate of 5 kW. The atmospheric temperature is 25oC. Compute th
Define the term entropy? Derive an expression for the change in entropy in terms of different parameters like Pressure, Volume and Temperature.
Define Irreversibility and the factors which cause irreversibility in the thermodynamic processes.
Derive the SFEE for the thermodynamic equipments such as: a) Compressor. b) Gas turbine. c) Nozzle. d) Condenser.