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Why bridges are declared unsafe after lo...

Why bridges are declared unsafe after long use?

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JBD PUBLICATION-MODEL TEST PAPER - 07-EXERCISE
  1. The angular frequency of body chages from 5 radian per second to 8 pe...

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  2. Compare 'g' and 'G'.

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  3. Why bridges are declared unsafe after long use?

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  4. Define cross product of two vectors and state its characteristics.

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  5. What is banking of a road ,why is it done?Find an expression for angle...

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  6. Prove that in an elastic collision the value of co-eeficient of restit...

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  7. Explain Newton's laws of gravitation and hence deduce the definitin of...

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  8. Define critical velocity and find a relation fo it .Also discuss the i...

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  9. How much heat is requied ot convert 5 g ice at -5^@C into steam at 500...

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  10. What is heat engine,write its essential parts?Write its working and fi...

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  11. Find the horse power of child if he can chew 10 grams ice in one minut...

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  12. Define the molar specific heats fo a gas and find a relation btween th...

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  13. What is antinodal point?

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  14. What is Doppler's effect?Derive a general expression for the apparent ...

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  15. State two application of beats.

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  16. Derive Newton's formula for velocity of sound in air. Point out the er...

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  17. Define surface tension.

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  18. State and prove Bernoulli's theorem for liquid having streamline flow.

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  19. Define Angle of contact.

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  20. Explain different modes of transfer of heat from one place to the othe...

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