Which of the following relatively employs the highest heat transfer surface area in a high pressure boiler ?
A. Airpreheater
B. Economiser
C. Steam superheater
D. Furnace water wall
Answer: Option A
Related Questions on Chemical Engineering Basics
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties

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