A freely floating object is stable, if its centre of buoyancy
A. Coincides with its centre of gravity
B. Lies below its centre of gravity
C. Lies below its metacentre
D. None of these
Answer: Option A
A. Coincides with its centre of gravity
B. Lies below its centre of gravity
C. Lies below its metacentre
D. None of these
Answer: Option A
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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