Gas Turbines - Reverse Thrust: DGCA Technical General questions

Question 1

Before reverse thrust can be selected, the forward thrust lever must be:

Accepted Answer

pulled back to idle power.

Answer

positioned to reverse minimum power.

Answer

put back to the reverser deploy position.

Answer

positioned to reverse maximum power.

Question 2

A reverse thrust warning light illuminates:

Accepted Answer

when the reverser doors are not stowed in the forward thrust position.

Answer

only when the reverser doors are fully deployed in the reverse thrust position.

Answer

when the reverser doors are stowed in the forward thrust position.

Answer

whenever reverse thrust is selected.

Question 3

Once the blocker doors are fully deployed, with an increase in rpm, which of the following statements would be incorrect?

Accepted Answer

Forward thrust from the hot gases would decrease.

Answer

Forward thrust from the hot gases would increase.

Answer

Reverse thrust from the blocked air would increase.

Answer

TGT will increase.

Question 4

An aircraft uses clamshell doors for thrust reversal to:

Accepted Answer

change the direction of the exhaust gas.

Answer

direct the gas flow rearwards.

Answer

block the flow of exhaust gas.

Answer

absorb any change in thrust.

Question 5

A big fan engine gets reverse thrust by:

Accepted Answer

blocking the bypass air.

Answer

reversing the direction of rotation of the compressor.

Answer

deflecting the exhaust gases.

Answer

reversing the hot stream gases.

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