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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. What is Bolt Elongation? The required bolt elongation Δ 1 may be calculated by the equation (7): Δ 1 = 3.25 * 10-8 * SB * L0 (in) (7) Where L 0 is the effect
The layout of a transmission shaft carrying two pulley C and B and supported on bearings A and D is shown in figure. Power is supplied to the shaft by means of vertical belt on pul
Compute the outside diameter of the shaft: A hollow shaft of diameter ratio is 0.4 is needed to transit 600 kW at 120 rpm. The maximum torque being 20% greater than the mean t
Q. Design Temporary Storage? It is sometimes acceptable to store drums temporarily on spill containment pallets. Each pallet should be capable of capturing the contents of at l
Q. Air-Gas Cross-Limiting and Air-Gas Ratio Control? The Steam Generator firing demand signal is directed to two discrete signal selectors. A low signal selector ensures that
Follow board pattern This type of pattern is adopted for those castings where there are some portions which are structurally weak and if not supported properly are likely to br
inertia force?
Explain Young's Modulus or Modulus of elasticity? Sol. : It is ratio between tensile stress and tensile strain or compressive stress and compressive strain. It can be denote
RCC Pipe Culverts: Reinforced cement concrete pipe culverts are ideal for dealing with small discharges. The advantages are : (a) They are very economical, since a circula
Factor of Safety: Factor of safety is number used to determine working stress. It is fixed based on experimental works on material. It accounts all uncertainties like, mate
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