In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will _______________?

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Heat flow across a hollow sphere of inner radius ‘r1’ and outer radius ‘r2’ is directly proportional to__________________?

A. (r2 – r1)/r1. r2 B. r1. r2/(r2 – r1) C. (r2 + r1)/r1. r2 D. r1. r2/(r2 + r1)...

The product out from a cupola is called ____________________?

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The excess air required for the combustion of pulverized coal is of the order of about _______________ percent ?

A. 5 B. 15 C. 30 D. 45...

Most important property of steels for use in automobile bodies is the___________________?

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Pick out the correct statement ?

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