Petroleum Refinery Engineering
Smoke point of kerosene is the

Time after which smoking starts on burning
None of these
Temperature at which smoking starts
Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp

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Petroleum Refinery Engineering
Petroleum deposits are detected by the.

Measuremet of density, elasticity and magnetic & electric properties of the rock in the crust of the earth
Age & nature of rocks inside the crust of the earth
Oil seepage at the surface of the earth
All of these

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