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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)
In an orthogonal cutting test with a tool of rake angle 10 degree , the following observations were made. 20 Chip thickness ratio = 0.3 Width of cut = 6mm Uncut chip thicknes
Q. What do you mean by Compression moulding? In compression molding, a material normally in power or perform shape , is loaded directly into the hot die cavity, pressure from
solve the following differential equation: dy/dx-(1+1/x)y=y^2
A solid shaft of diameter d is taken in power transmission. Because of modification of existing transmission system, it is needed to replace the solid shaft by a hollow shaft of th
Give the assumption of pure torsion derivation of shear stress produced in circular shaft subjected to torsion
Types of belts and drive
The round tensile specimen given below has a diameter of 0.5 in. A load, F, is applied and the deflection, g , is calculated. Given the following d = 0.5 in
System of parallel forces: A rigid body is subjected to system of parallel forces as shown in the figure. Reduce this system to, ( i ) A single force system ( i
Question: The disk 3 shown in the figure rotates at a constant angular velocity w 3 = 2.0 rad/s. A slider in a slot in the disk causes rod 2 to rotate. When the slider
Mollier diagram: Mollier diagram is chart drawn between enthalpy H (on ordinate) and entropy or S (on abscissa). It is also called as H-diagram. It depicts properties of water
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