Larger and irregular lumps of solid fuel (e.g. coal) when fired in a boiler or furnace may lead to
Fuels, Combustion and Flame

Quiz
•
Chemistry
•
8th - 12th Grade
•
Medium
Sanjeev Gupta
Used 160+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
low thermal efficiency
high excess air
large unburnt particles in the ash
all of the above
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Calculate the maximum theoretical temperature (t) attained when hydrogen is burnt in oxygen . The heat of combustion of hydrogen to water vapour is 57.8 Kcals. The specific heat of water vapour is [ 0.463 + 6.2x 10-5t] t cals/g.
45800 C
44800C
43080C
43800C
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
PCRA stands for
pollution control research association
petroleum conversation research association
petroleum control research associated
petrol, coal reserve associated
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Acid rain is caused by oxides of
sulphur, nitrogen
sulphur, carbon
carbon, nitrogen
phosphorous, carbon
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Calculate the theoretical weight and volume of air at NTP, required for the complete combustion of 1 kg of coke
8889 liters
8789 liters
8989 liters
9899 liters
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Hydrogen gas obtained from natural gas is used in
motor fuel
fertilizers
paints
stoves
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The total amount of heat or energy produced by one kg of fuel is the
heat content
net calorific value (NCV)
gross calorific value(GCV)
specific heat
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