Here's my experience:
I have given interviews in three IT companies for the position of IT project manager.
They mostly ask questions related to different scenarios that appear in the project management process.
For instance,
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consider if a resource leaves the project suddenly then what will be your mitigation plan?
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How do you lead projects? Which development life cycle do you follow?
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What is project lifecycle
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How do you communicate effectively with the project stakeholders?
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How do you manage a team?
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How do you convey requirements to a team?
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Did any project fail on which you worked?
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If so what are the causes of failure?