Combustion Section

Question 1

combutstion chamber is also known as ____________

Answer 1

combustor

Question 2

This must contain the burning mixture of air, and fuel, in order to generate the maximum
heat release, at a substantially constant pressure, so the turbine receives a uniformly expanded, heated, and accelerated stream
of gas.

Answer 2

Combustion Section

Question 3

They are must be designed to enable more efficient use of fuel with less pollution of
the atmosphere.

Answer 3

Combustion Chamber

Question 4

Why is efficient combustion increasingly more important?

Answer 4

rise in the cost of the fuel

the increasing awareness of the aviation
industry and the general public of the dangers of atmospheric pollution from the exhaust
smoke.

Question 5

Air enters the combustion
chamber at a ______________
than which it enters the intake of
the engine.

Answer 5

slightly lower rate

Question 6

The flame rate of kerosene is
approximately ___________.
If burning kerosene was exposed
to a ____________ airstream, it would
be extinguished immediately.

Answer 6

30 feet per second
500 ft/s

Question 7

the air has a reduction in _______ and
there is an increase in _________.

Answer 7

air velocity
pressure

Question 8

Based from the graph, the air has
a reduction in air velocity and
there is an increase in pressure.
This is achieved by passing it
through a____________.

Answer 8

divergent duct

Question 9

The __________ is still
not enough and a further decrease must be achieved if the flame is not to blow out.

Answer 9

reduction in velocity