The value of $$\gamma = \frac{{{{\text{c}}_{\text{p}}}}}{{{{\text{c}}_{\text{v}}}}}$$  at < 500°C for air & most common gases can be safely assumed to be

A. Grey cast iron B. White cast iron C. Malleable iron D. Graphite

A. 1.5 B. 3 C. 5 D. 7

A. Pulverised fuel B. Travelling grate stoker firing C. Circulating fluidised bed D. Fluidised bed

A. Induced stresses B. Density C. Elastic properties D. Thermal properties