Combustion And Flame Questions & Answers: part7



Combustion And Flame QUESTIONS AND ANSWERS :: part7 : 1 to 5

Following Combustion And Flame Multiple choice objective type questions and answers will help you in many competitive written examinations and inteview 2024 like SSC exams :

1.In which zone of a candle does complete combustion take place?

inner
middle
outer
all the three zones

2.A luminous flame appears ……………

Red
Yellow
Blue
Green

3.Incomplete combustion of a fuel produces ………………

less energy
carbon monoxide
soot
all the above

4.Which of the following fuels has the highest calorific value?

Hydrogen
Petrol
LPG
Natural gas

5.Which of the following is not a necessary condition of combustion?

Presence of combustible substance
Attainment of ignition temperature
Presence of supporter of combustion
Presence of carbon dioxide

More Combustion And Flame QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha
Too many of us are not living our dreams because we are living our fears.- Les Brown