When an isolated thermodynamic system executes a process,
A. Work is done
B. Heat transfer takes place
C. Mass flow occurs across the boundary of the system
D. No chemical reaction takes place within the system
Answer: Option D
A. Work is done
B. Heat transfer takes place
C. Mass flow occurs across the boundary of the system
D. No chemical reaction takes place within the system
Answer: Option D
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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