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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)
Y ield stress and ultimate stress Yield stress: Yield stress can be defined as lowest stress at which extension of test piece increases without increase in the load. It is
Compressio n Ratio: It is calculated as shown below Mea n Effective Pressure (P m o r P me f ): Mean effective pressure is the hypothetical consta
major components of a press
Q. Can you explain Bentonite binders? Its general composition is MgO.Al 2 O 3 .Sio 2 .H 2 O. it is formed by weathering of volcanic or igneous rocks. It is a creamy white powde
Military and Civil Aircraft: Military aircraft can be of several types such as : (a) Cargo carriers, with capacity to carry heavy loads, such as trucks and tanks. (b) Fi
With the help of neat diagrams show various roll arrangement used in rolling mills. What do you mean by forging? With the help of a diagram differentiate between press forging and
Matter, Particle and Weight: Sol: Matter: Matter is anything which occupies space and have some mass, offers resistance to any stress, for example Iron, stone, air, Water.
(a) What are fluids? How are they classified? (b) Classify the several kinds of manometers. (c) Define the following (d) Define metacenter (1) Steady flow (2) Unsteady
a) What are essential needs of a job evaluation plan. Illustrate the point plan method b) Describe factor comparison method of job evaluation. a) What are basic objectives an
Plate oil Separator: Check for plate oil separator fitment.
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