question_answer

Consider the following statements: As compared to turboprop, a turbojet

1. Can operate at higher altitudes

2. Can operate at higher flight velocities

3. Is more fuel efficient at lower speeds

Of these statements:

A) 1, 2 and 3 are correct

B) 1 and 2 are correct

C) 2 and 3 are correct

D) 1 and 3 are correct.