A thermally thin body is the one for which
A. Biot number is less than 0.1
B. Gallileo number is less than 0.1
C. Fourier number is less than 0.1
D. Fourier number is greater than 0.1
Answer: Option A
A. Biot number is less than 0.1
B. Gallileo number is less than 0.1
C. Fourier number is less than 0.1
D. Fourier number is greater than 0.1
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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