Aircraft Power Plant - Turbine

Aircraft Power Plant - Turbine

University - Professional Development

11 Qs

quiz-placeholder

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Aircraft Power Plant - Turbine

Aircraft Power Plant - Turbine

Assessment

Quiz

Science

University - Professional Development

Practice Problem

Hard

Created by

Baizura Bohari

Used 29+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In an axial flow turbine, the total temperature of the flow through nozzle always

decreases

increases

remain constant

None of the above

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The space between two nozzle guide vanes form a

Divergent duct

Convergent duct

Convergent - Divergent duct

None of the above

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

For an axial flow turbine, absolute velocity at exit of the rotor is ______________ the same at the inlet.

higher than

lower than

remain constant

can't comment

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

The blade shroud is fitted in an attempt to

reduces the vibration of the blades

reduces gas leakage

minimize losses due to to leakage across the turbine blade tips

control the velocity of the gas stream

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Definition of a free turbine or free power turbine

has its own optimum speed

a turbine which is not connected to the compressor

it's connected only either to the propeller or to the rotor reduction gearbox

All of the above

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The power output of a turbine can be increased with an _____________ number of stages with a ________________ in turbine diameter.

decrease, smaller

increase, larger

increase, reduction

decrease, larger

7.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

It's a fact that the efficiency of the turbine blades ____________ as its rotational speed ______________.

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