Impeller & casing of centrifugal pump handling corrosive liquid and frequently running under cavitation condition is most prone to __________ corrosion.
A. Uniform
B. Oxygen diffusion
C. Pitting
D. Inter-granular
Answer: Option C
A. Uniform
B. Oxygen diffusion
C. Pitting
D. Inter-granular
Answer: Option C
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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