Question

Which type of gas burner is used to control flame length?

(a) Ring burner

(b) Sealed burner

(c) Electric burner

(d) Standing pilot burner

This question was addressed to me in unit test.

Question is taken from Fuel Burning Equipments topic in division Steam Power Plant of Energy Engineering

Answer 1

Right option is (a) Ring burner

Easy explanation: Ring burners are used to control the flame length. The rate of gas flow can be controlled by using dampers. The gas flows through an annular ring, whereas air is induced both around and within the annular ring.