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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)
Q. Pressure Relief Valve Application? A general comparison of operational characteristics is given for the different types of pressure relief valves in common industrial use.
Air flows steadily at the rate of 0.5 kg/s through an air compressor, entering at 7m/s velocity, 100 kPa pressure, and 0.95 m 3 /kg volume, and leaving at 5 m/s, 700 kPa, and 0.19
Determine the work done per minute by a punch tool making 20 working strokes min when a 30 mm diameter hole is punched in 5 mm thick plate with ultimate shear strength of 450 MPa i
Explain the Importance of Value engineering Improve your career skills Separate "Symptoms" from "problems" Solve "root cause" problems and capture opportunities
(Rigid body acceleration) A tank of water accelerates down an icy frictionless ramp of angle . What angle ( ) does the water make with the horizontal at equilibrium?
Consider the power system as designed below. The duty fluid is water, and has a mass flow 0.75 kg/ s and all piping through which the liquid flows has diameter 1'', while the steam
Temperatur e Scales: The temperature of a system can be determined by bringing a 2 nd body, a thermometer, into contact with the system and allowing thermal equilibrium to b
a) Show that if E is assumed to be correctly calculated, an error of 1% in the evaluation of C will involve an error of about 6% in the determine of Poisson's ratio when its correc
How are footings described and introduced properly? The selection of different types of footings and the need for reinforcing the same are discussed in this unit. Methods of de
Spot welding of different metals-Aluminium and its alloys High currents and shorter welding times are necessary for these materials. Special cleaning of the surface is warrante
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