RRB Group D Model Paper 10 with solutions

(3) An ideal fuel should have thefollowing properties:
→ High calorific value
→ Moderate ignition temperature
→ Low moisture content
→ Low Now combustible matter
→ Moderate velocity ofcombustion
→ Products of combustion notharmful
→ Low cost
→ Easy to transport
→ Combustion should becontrollable
→ Zero viscosity.