Which of the following absorbs maximum heat in a high pressure boiler ?
A. Economiser
B. Steam superheater
C. Air preheater
D. Furnace water wall
Answer: Option D
A. Economiser
B. Steam superheater
C. Air preheater
D. Furnace water wall
Answer: Option D
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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