(E) Engine Electronics

Question 1

Process to start engine

Answer 1

• Supply adequate & continuous volume to combustion chamber
• Effective atomisation of fuel
• Initial ignition

Question 2

Gas Turbine Engine start

Answer 2

Initial Rotation of stalled engine compressor

• Electric engine starter
• Starter generator
• Air starter

Question 3

Electric engine start

Answer 3

• D.C. series motor
• High torque characteristics
• Magnetic clutch connection

Question 4

Starter Generator

Answer 4

• D.C. Shunt Generator
• Directly coupled to engine
• Driven by engine once engine started

Question 5

Air Starter

Answer 5

• Comprises of air turbine
• Used in conjunction with air start unit
• Rotate the engine with sufficient air