Questão número 637282

As questões de números 10 e 11 referem-se ao texto que segue.

According to the text,

• A.

  heavier crude oils are more polluting than ligther crudes.

• B.

  flash losses occur due to a difference in pressure between the oil in the separator and in the storage tank.

• C.

  cycling the oil at frequent intervals reduces working vapors.

• D.

  atmospheric temperature changes do not cause any vapor losses.

• E.

  the pressure of the oil being dumped into the tank does not affect vapor losses.