🔍 Key Concepts

• Compare how single-hole, multi-hole, pintle, and open nozzles are constructed and how fuel flows through them • Think about where clogging, carbon buildup, and erosion are most likely to occur • Relate number of openings and moving parts to inspection and cleaning frequency

💭 Think About

• Which nozzle design has the simplest flow path for fuel and the fewest places for deposits to collect? • How does the number of holes or the presence of a needle/pintle tip affect the chance of blockage? • Which type would be easiest to clean and least sensitive to small particles in the fuel?

✅ Before You Answer

• Identify which nozzle has no moving tip or pintle inside the nozzle orifice • Note which design has the fewest and largest openings for fuel to pass through • Consider which nozzle type is generally used where fuel quality and filtration may not be perfect, reducing maintenance needs