# Dgca Module 08 Online Test 01

20 Questions | Total Attempts: 2439  Settings  • 1.
• A.

Stability characteristics about all axis are different

• B.

Stability around lateral axis is different from stability around roll and yaw axis

• C.

Stability around all axis are same

• 2.
Higher weight in gliding flight is not affected not by
• A.

Stalling angle and speed are reduced

• B.

Speed and range are reduced

• C.

Stalling angle and range are reduced

• 3.
If aspect ratio is higher than induced drag is
• A.

More than 75%

• B.

More than 40%

• C.

Infinite

• 4.
On a delta wing aircraft lift
• A.

Increases with increase in angle of attack

• B.

Decreases with increase in angle of attack

• C.

None of the above

• 5.
In the case of aircraft nose drop thrust line is placed----------and drag line is---------
• A.

High ; low

• B.

High ; high

• C.

Low ; high

• 6.
Factors of drag primarily depends on
• A.

Speed of airflow over the wing and other parts

• B.

The interference between different parts of A/C and airflow

• C.

None of the above

• 7.
At high speed induced drag is
• A.

50% more than total drag

• B.

10% more than total drag

• C.

10% less than total drag

• 8.
Induced drag is a part of
• A.

Thrust

• B.

Lift

• C.

Weight

• 9.
Coefficient of viscosity is defined as
• A.

Ratio of velocity to drag

• B.

Ratio of stress velocity to velocity gradient

• C.

Ratio of viscosity to the friction

• 10.
During turn the outer wing offers more
• A.

Drag

• B.

Lift

• C.

Bank

• 11.
The longitudinal stability is depend upon
• A.

The tail plane

• B.

The position of C.P

• C.

The tail plane its area and distance from C.G

• 12.
During equilibrium flight operation stability depends on
• A.

Magnitude of force applied

• B.

Length from the C.G

• C.

Both a and b

• 13.
Which of the following gives stall warning to pilot
• A.

Sensor

• B.

Stick pusher

• C.

Stick shaker

• 14.
Ideal airfoil
• A.

High maximum lift coefficient

• B.

Good lift/drag ratio

• C.

Both a and b

• 15.
Stick free condition
• A.

The pilot releases control column and allows the elevators to take up their own positions

• B.

The elevators are held in their neutral position relative to the tail plane

• C.

Both a and b

• 16.
Performance capability of jet engine with propeller is depends on
• A.

Thrust

• B.

Power

• C.

Both

• 17.
Centre of drag is
• A.

Actual length depends on the relative resistance

• B.

Actual position depends on the relative resistance of different parts of airplane

• C.

Both (a) & ( b)

• 18.
Angle of airfoil is slightly negative will it generate lift
• A.

Do not generate lift

• B.

May be generate lift

• C.

Lift will not generate

• 19.
The temperature variation near earth surface
• A.

Greater

• B.

Smaller

• C.

No change

• 20.
If pitching moment about fuselage disturbed then which stability is affected
• A.

Lateral

• B.

Directional

• C.

Longitudinal

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