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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)
Explain Feed - Cutting Parameters 1. In cylindrical grinding feed is the longitude movement of the work piece per revolution. f=Feed in mm per work piece revolut
Resulting structure of steel: Heat treatments as mentioned below are given to thin steel strips for which TTT diagram is as shown in Figure 19. What will be the resulting stru
Metals and Melting Practices -Slag,Tapping,Vacuum Degassing Slag : A waste product of iron and steel making, utilized to eliminate impurities. In particular, a by-product o
primary steps in PM
A 1.5m long column has circular cross-section of 5cm diameter. One of the end of the column is fixed in the position and direction and other end is free. Taking factor of safety as
Consider some publications of the Bureau of Standards. The following publications of the Bureau of Standards shall be read along with this section of footings. a. IS 456 in
Q. Show General Properties of Castings? 1. Fe-Cr (10-30%Cr) alloys offer good resistance to oxidation, low strength at elevated temps, restricted to use in oxidizing or reducin
The three prototyping methods used are: a) R a p i dPrototyping: This is used to model the pins (large 1, 2 and small), lock disk and crank. b) CNCMachining: Use
Find the tension in the thread: A thread is wound round a heavy homogeneous cylinder of mass m and radius. The cylinder is permitted to fall from rest and unwinds the thread.
its definition, principle, explanation, application, and a diagram
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