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Task 1:
Construct the shear force and bending moment diagrams for the beam shown in figure.
Show where maximum sagging and hogging occurs and estimate the position of the point of contraflexure with respect to A.
Calculate analytically the position of contraflexure and explain its significance.
Task 2:
Plot the shear force and bending moment diagrams for the three pin frame shown in Figure.
Define the main structural characteristics of a pin joint and describe an existing structure where such joints are used and why.
Identify the function, constraints, objective and free variables for the leaf spring design. Derive the material indices for minimizing cost and mass of material for the identified constraints
5 kgm of water is at 15 c and is contained in a vertical cylinder by a frictionless piston of a mass such that the
A piston/cylinder device initially contains 0.1 cu. m. of air at 27 C. A very light piston that moves without friction is connected to a spring that is initially at its equilibrium position (no force). The spring constant is 100 kN/m and the area of ..
a motorist travelingalong a straight portion of a highway is decreasing the speed of his automobile at a constant rate
air enters a machine at 373 k with a speed of 200 msec and leaves it at the temperature of the standard sea level
A 1.9-kg mass of helium is maintained at 250kPa and 26 degrees Celsius in a rigid container. How large is the container in m^3?
A four-pole, star-connected, squirrel-cage induction motor operates from a variable voltage 50 Hz three-phase supply. The following results were obtained as the supply voltage was gradually reduced with the motor running on no-load. Stator line vo..
a system initially consists of 3 lbm of a substance having specific internal energy u of 20 btulbm and 6 lbm of the
A reversible heat engine, operating in a cycle, withdraws heat from a high-temperature reservoir (the temperature of which consequently decreases), performs work w, and rejects heat into a low-temperature reservoir (the temperature of which consequen..
consider a device with one inlet and one outlet. if the volume flow rates at the inlet and at the outlet are the same
what is differential levelling? list the procedure for carrying out a differential levelling exercise where one point
The shaft of a rolling machine is driven by means of a motor placed horizontally. The flywheel which also acts as a pulley is of 1.5 m diameter and has belt tension 5.4 kn and 1.8 kn on tight and slack side respectively.
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