The total frictional resistance to fluid flow does not depend upon the
A. Roughness of the surface
B. Fluid pressure
C. Fluid density
D. Fluid velocity
Answer: Option B
A. Roughness of the surface
B. Fluid pressure
C. Fluid density
D. Fluid velocity
Answer: Option B
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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