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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.
Particle: A body of negligible dimension is called as particle. But a particle also has mass.
Mass: The properties of matter by which action of one body can be compared with that of another can be defined as mass.
m = ρ.v
Where,
ρ= Density of body
V = Volume of the body as ,
Weight: Weight of body is force with which body is attracted towards center of earth.
Mechanical failure is one of the most important factors causing component/structure/product no longer fit for its intended purpose. Use examples to explain at least three modes o
Friction: you have learnt laws of friction and problems involving dry friction. The relative sliding motion of one body on another body is resisted by forces called as frictio
Reversible and irreversible processes: Thermodynamic system which is capable of restoring the original state of it by reversing the factors responsible for occurrence of proc
Change in entropy for reversible
Hydrometer: Hydrometer (Figure) is used to measure the specific gravity of battery fluid (electrolyte). Figure: Hydrometer
Differentiate between perfect, deficient and redundant trusses
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What is difference between mill and mill-drill? Ans) Today many manufactures are combining machines; a mill/drill is one of these. It is a mixture of a drill and a mill, a mill
Illustrates about the need for reinforcement? NEED FOR REINFORCEMENT Concrete is economical and durable and is currently universally utilized for footings. Plain concrete is
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