Which type of jurisdiction do federal trial courts have?
limited
original
appelate
general
it is not a

The answer is "original jurisdiction".

The original jurisdiction of a court is the ability to hear a case for the first time, rather than investigative jurisdiction, when a higher court has the ability to survey a lower court's choice.  

Original jurisdiction is the jurisdiction, regardless of whether land, or particular court, to hear a specific case through to its decision. In the event that the issue should be advanced, or if certain different inquiries come up that must be chosen by a higher court, the case is then taken to an alternate purview – ordinarily an investigative court – to get a decision.

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