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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. Use of high temperature materials in Furnaces? Often, furnace tubing and refractory protected membrane walls are fabricated from plain carbon steel with a minimum of 0.25% c
Transverse Wave Stretched String As a typical example of wave motion in one-dimension, let us consider the transverse harmonic waves on a long, taut string. We assume that in e
BOILERS: BOILERS : Boilers can be defined as closed pressure vessels that are used to generate steam at pressure much higher than atmospheric pressure by the transfer of he
A "perfect" square (shown in dashed lines in the sketch below) with initial dimensions of 0.5 x 0.5 inch is drawn on the surface of a thin aluminum structure (E = 10x10 6 psi, v =
Ceramics Ceramics are mostly inorganic crystalline materials characterized by high melting point and low ductility. Such materials are processed via methods other than melting
torque
V icke r ' s Hardness Test: This test is alike the Brinell test but uses different indenter. A square based pyramid of cone angle 136 ° is used. The applied load can be 5,
maximum rpm at engine
Types of Brake The brakes used in motorcycles can be classified as follows: (a) Drum Brake (b) Disc Brake
Draw the bending moment diagram and shear force diagram: A cantilever beam of 8 m length is subjected to point loads of 15 kN, 10 kN, 25 kN and 20 kN at distances of 4 m, 2 m,
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