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Under the action of constant force, a 2kg block moves such that its position x as a function of time is given by X=t^3/3 ,where x in meters and t in sec , the workdone by force in first 2 seconds isA 26.6 jB 3.3 jC 16 jD 32 jSolution) v=dx/dt=t^2,a=dv/dt=2t,f(t)=ma(t),w=∫f(t)*v(t) dt (from x=0 to x=2 sec)
A perfect gas flows through a nozzle when it expends in a reversible adiabatic manner, the inlet conditions are 22 bar,, 500 o c, 38 m/s. At exit the pressure is 2 bar. Evaluate th
The open square tube is subjected to the torque T= DEF Nm as shown in Fig Q2. The tube has the length 1m and wall thickness 5mm. a) Calculate the shear stress and angle of
importance of workshop in mechanical
Batch Furnaces: An insulated, the heating system, chamber for placing the job, and a door or various doors for placing the job in place are the necessity of these furnaces. T
Which chromium plating is more eco-friendly - trivalent or Hexavalent? Justify your answer in the light of environmental issues caused.
It shows the test rig for the assignment of an indeterminate structure at the Materials Lab. The indeterminate structure consists of three pin-jointed members made of the same stee
Duty cycle The concept of duty cycle is to be clearly understood before operating any machine. Unlike the arc welding power sources, the resistance welding power sources are de
what is Next Generation Manufacturing Strategy?
why there is a different angular velocity in the two cranks of a drag link mechanism?
Draw the P-h and T-S diagram for the vapour compression cycle when the vapour after compression is : (i) wet region (ii) dry saturated
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