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For the following questions answer them individually
In the Van der Waal’s gas equation $$\left(p + \frac{a}{v^2}\right) (v - b) =RT$$ the constant ‘a’ is introduced to compensate for
The centrifugal tension in belts
In nodular iron, graphite is in the form of
Corrosion resistance of steel increases by addition of
Phenomenon of progressive extension of material with time at constant load is called
Addition of copper to aluminium results in
A Hooke’s joint is used to connect two
Ina hardness test, L is load in kg, D is diameter of ball in mm and d is diameter of indentation in mm. Brinell Hardness Numberis expressed by the equation
Circumferential and longitudinal strains in the cylindrical boiler under internal steam pressure are $$\epsilon_1 and \epsilon_2$$ respectively. Change in the volumeof the boiler cylinder per unit volumewill be
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