Feed check valve is used in steam boilers to
A. Check the water level in the boiler
B. Check the feed water flow rate
C. Feed high pressure water to boiler and guard against its backflow through it
D. None of these
Answer: Option C
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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