DGCA CPL Technical General Practice Questions - DGCA Commercial Pilot License (CPL) Technical General Exam - DGCA CPL Technical General Practice Questions - DGCA Commercial Pilot License (CPL) Technical General Exam

Question 1

If the angle of attack of an airfoil is increased while maintaining constant airspeed, what happens to the lift and drag coefficients ($C_L$ and $C_D$)?

Both lift and drag coefficients increase until the critical angle of attack is reached, after which the lift coefficient drops sharply while drag continues to increase. Lift coefficient increases and drag coefficient decreases because the airfoil becomes more efficient. Lift coefficient decreases and drag coefficient increases due to turbulent airflow. Both coefficients remain constant since the airspeed is unchanged.

Correct Answer:

Both lift and drag coefficients increase until the critical angle of attack is reached, after which the lift coefficient drops sharply while drag continues to increase.

Question 2

What is the primary cause of induced drag on an aircraft wing?

Skin friction between the air molecules and the wing surface. The physical profile of the wing disturbing the air path. Airflow pressure differential between the upper and lower surfaces spilling around the wingtips to form vortices. Interference of the airflow at the junction of the wing and fuselage.

Correct Answer:

Airflow pressure differential between the upper and lower surfaces spilling around the wingtips to form vortices.

Question 3

How does ground effect affect the aerodynamic performance of an aircraft during takeoff and landing?

It decreases lift and increases induced drag due to ground proximity. It increases induced drag and decreases thrust required. It reduces wingtip vortices, decreasing induced drag, which results in a reduction in thrust required to maintain altitude. It increases parasite drag, requiring more power to keep the aircraft airborne.

Correct Answer:

It reduces wingtip vortices, decreasing induced drag, which results in a reduction in thrust required to maintain altitude.

Question 4

An aircraft is flying at a constant airspeed. If the bank angle in a level turn is increased from 30° to 60°, by what factor does the load factor ($n$) increase?

1.15 times 1.73 times 2.00 times 1.50 times

Correct Answer:

1.73 times

Question 5

What is the significance of the Best Glide Speed ($V_{g}$) in terms of drag?

It is the speed at which parasite drag is at its absolute minimum. It is the speed where total drag is at its minimum, which occurs where parasite drag and induced drag are equal ($L/D_{max}$). It is the speed where induced drag is at its absolute minimum. It is the speed at which lift coefficient is at its maximum value.

Correct Answer:

It is the speed where total drag is at its minimum, which occurs where parasite drag and induced drag are equal ($L/D_{max}$).

Question 1

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Prepare with the DGCA CPL Technical General Practice Questions - DGCA Commercial Pilot License (CPL) Technical General Exam practice quiz. This question bank includes 100 questions covering aircraft, engine, function, primary, and airspeed. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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DGCA CPL Technical General Practice Questions - DGCA Commercial Pilot License (CPL) Technical General Exam

This practice set contains 100 questions from the matching question bank and focuses on aircraft, engine, function, primary, and airspeed. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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DGCA CPL Technical General Practice Questions - DGCA Commercial Pilot License (CPL) Technical General Exam

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