Petroleum Refinery Engineering
Hydrocracking employs

High pressure & temperature
Low pressure & temperature
High temperature and low pressure
High pressure and low temperature

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Petroleum Refinery Engineering
Petroleum deposits are detected by the.

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

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