Direct conversion of thermal energy to electrical energy is facilitated by the
A. Fuel cells
B. Photo voltaic cell
C. Magneto hydrodynamic generator
D. None of these
Answer: Option C
A. Fuel cells
B. Photo voltaic cell
C. Magneto hydrodynamic generator
D. None of these
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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