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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. Describe the type of Facing and Backing sand? Facing sand. This sand is used directly next to the surface of the pattern and comes into contact with the molten metal when th
Evolution of Safety - Industrial Safety The large scale expansion started taking shape along with the beginning of nineteenth century but safety could not turn into the concer
A fictious force or pseudo force is an imaginary force that acts on a body in non inertial frame. it is opposite in direction of accelaration of non inertial frame.
Q. Describe Fire clay and Kaolinite Binders? Fire clay : Fire clay is refractory clay usually found in the coal measures. Kaolinite: Its general composition is al 2 o 3
Changes in Mechanical Properties along with Tempering: Tempering enhances the toughness and ductility of quenched steel though decreases hardness. Following figure demonstrate
The 13ft long beam
Resolving vectors into I j k component
how we made parts of engine
An engine uses air as the operating substance. At the beginning of compression the pressure is 90 KN /m 2 and the temp. is 40 0 C. During the adiabatic compression, the volume is
Illustrate types of nuclear reactors with diagrams? a) Give advantages and disadvantages of nuclear power plant? b) Briefly explain how geothermal powerplant operate with fig
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