Question

How many types of economizers are there?

(a) 6

(b) 8

(c) 5

(d) 3

This question was posed to me in an interview for internship.

This intriguing question originated from Boiler Mounting Accessories in chapter Steam Generators & Accessories of Energy Engineering

Answer 1

Right choice is (a) 6

The best I can explain: There are six types of economizers:

i) Steaming

ii) Independent

iii) Non-steaming

iv) Integral

v) Condensing

vi) Non-condensing.