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Satkriti Roao
@satkriti-roao
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Joined: Jun 14, 2021
Last seen: Aug 6, 2021
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Topics: 2248 / Replies: 1
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Topic
What is the main constituent of : (i) petroleum gas? (ii) natural gas?
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 100
Topic
Write the full form of: (i) LPG, and (ii) CNG.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 270
Topic
Which gaseous fuel is being used increasingly in transport vehicles like cars and buses these days?
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 108
Topic
What is the composition of liquefied petroleum gas (LPG)?
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 448
Topic
Name any four fractions obtained from petroleum which are used as fuels.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 339
Topic
What are the various fuels which are used to generate electricity in a thermal power plant?
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 347
Topic
Name anyone hydrocarbon fraction obtained during the fractional distillation of petroleum which is used as a domestic fuel.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 175
Topic
Give one example of good domestic fuel.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 375
Topic
Name the product of petroleum that is used to drive heavy vehicles.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 62
Topic
Most of the fuels contain carbon as one of the constituents. Name a fuel which has very high calorific value but does not contain carbon.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 80
Topic
Arrange the following fuels in the order of increasing calorific values (keeping the fuel with lowest calorific value first): LPG, Coal, Alcohol, Dung cakes, Diesel
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 89
Topic
Arrange the following fuels in the order of decreasing calorific values (keeping the fuel with highest calorific value first): Biogas, Kerosene, Wood, Petrol, Hydrogen gas, Methane
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 77
Topic
The calorific values of five fuels A, B, C, D and E are given below: A 48 kj/g B 17 kj/g C 150 kj/g
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 81
Topic
Calorific value and ignition temperature of fuel X are 75 kj/g and 20°C respectively. These values for fuel Y are 50 kj/g and 75°C respectively.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 74
Topic
The calorific values of three fuels A, B and C are 33 kj/g, 48 kj/g and 150 kj/g, respectively. A is solid, B is liquid and C is a gas at room temperature.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 57
Topic
The calorific value and ignition temperature of fuel A are 55 kj/g and 80°C, respectively. These values for fuel B are 80 kj/g and 10°C, respectively.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 84
Topic
(a) What is a fuel? Give five examples of fuels. (b) What are the characteristics of an ideal fuel (or good fuel)?
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 94
Topic
Coal is said to be formed from the wood of trees. Why then is coal considered to be a non-renewable source of energy whereas wood is a renewable source of energy?
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 72
Topic
(a) Classify the following into renewable and non-renewable sources of energy: Coal, Wind, Tides, Petroleum, Wood, Natural gas (b) What is the basis of above classification?
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 73
Topic
Name two sources of energy which you consider to be non-renewable. Give reason for your choice.
5 years ago
Forum
Sources of Energy
Replies: 0
Views: 108
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