The best criterion for analysing an economic investment is the
A. Rate of return criterion
B. Present value method
C. Salvage value
D. Future value method
Answer: Option A
A. Rate of return criterion
B. Present value method
C. Salvage value
D. Future value method
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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