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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)
expression for elongation of bar of conical section under the action of axial force p whenit tapers from d1 to d2 over a length
Q. Explain Sand and moulding sands? Sand according to the amount of clayey matter they contain, the moulding sands are classified as: • Silica sand: Up to 20% clay. •
Main Factors to be Considered when Selecting Material The main factors to be considered when selecting a material to meet some specific requirement are: Fitness of use,
a) Answer the following equations by Factorization method 10x+y+z =12 ; 2x+10y+z =13 ; 2x+2y+10z=14 b) Apply Gauss-Seidal Iteration method to solve the equations 20x+y-2z
Explain about the CAD system. CAD systems generally require considerable processor power and a number of output and input devices; for instance: - Light pens - Large scre
An inside cylinder locomotive has its cylinder centre lines 0.70 m apart and has a stroke of 0.60 m. The rotating mass per cylinder is similar to 150 Kg. and the reciprocating mass
A jet of water moving at 8 m/sec. impinges on a concave-shaped vane to deflect the jet through 120 o when stationary. If the vane is moving at 5 m/sec., determine the angle of jet
Q. Why we use Nickel Alloys in welding? Nickel weld metals have high creep-rupture strength but often have lower stress-rupture ductility and lower mechanical and thermal fatig
In general safety and service tips, you learnt about general service and safety tips those must be followed while working in workshop. It gives the competency statements useful for
Plate : These are also known as electrodes. There are two types of group of plates - Positive and Negative. Each group contains more than one plate. A group of positive plates is
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