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distinguish between renewable and non renewable resources?
Q. what is conventional source and non-convemtional sources of energy ?
List the disadvantages of using biomass as fuel in the conventional manner. Give two examples of technological input to improve efficiency of these fuels.
Explain the structure and function of biogas plant
Calculate the amount of heat required to convert 5kg of ice at 0degree Celcius to vapor at 100 degree Celcius?
options are :
1) 1.5 x 107
2) 2.5 x 107
3) 3.5 x 107
4) 4.5 x 107
name the two elements present in both cng and petroleum
what is the difference between biomass and fossil fuels?
Explain construction and working of a biogas plant with labeled diagram.
What type of energy conversion takes place when a bullet is fired from a rifle?
what is the difference between bio-mass and bio-gas
Why are solar cookers covered by a glass plate?
all ores are minerals but all minerals are not ores.justify
what is geothermal energy
what is soda -acid fire extinguisher
explain the working and principle of a hydroelectric powerplant
State the function of the following the solar cooker: (i) Mirror (ii) glass plate (iii) blackened surface ???...
Advantages and disadvantages of solar energy.???
Why are nuclear fuels not conventional sources but non-renewable sources of energy?
List 3 advantages and disadvantages of constructing a dam on a river.
what is solar constant? how to calculate it?
What are primary and secondary fuels? To which class of fuel do the following belong: coke, wood, petroleum, LPG?
why is there a need to harness non conventional sources of energy?????
What are the disadvantages and advantages of nuclear energy
explain the working of a windmill?
y is CNG considered an environmental friendly fuel??
Explain the main purpose of using plane mirrors in solar cookers
The Process of conversion of wood into coal by biochemical process, taking over millions of years, is called ______________
has been used as a rocket fuel. Would you consider it a cleaner fuel
than CNG? Why or why not?
Explain the working of a thermal power plant
What are limitations of tidal & wave energy?
How does biogas plant help to reduce the problem of pollution?
Mark the places in the map where coal petroleum and natural gas are found
State any 3 reasons to justify that LPG is considered an ideal fuel.
name any two elements that are used in fabricating solar cell. plz someone answer
What is the difference between Petroleum and Petrol?
State three advantages associated with using solar cells to produce electricity.
download power point presentation for class 10th cce cbse science lesson14
what is ultimate source of energy for bio mass wind and ocean thermal energy?
is geothermal energy and nuclear energy different in this respect? why?
where would you place hydro electricity and wave energy?
please help me fast because tommorow is the debate on it?
What is the advantages & disadvantages of charcoal?
What r the environmental consequences of the increasing demand of energy ?
why d solar cooker cannot be used for frying or making of chapattis?
why are thermal power plants set up near coal or oil fields
in parabolic reflector type coolers,even temp upto 180degree C-200degreee C can be attained.how?
explain why calcium metal after reactin with water starts floating on its surface. write the chemical reaction for its reaction
what is the disadvantages of biogas plant ?
what is difference between nuclear fission & nuclear fusion ? give the answer pointwise in a tabular form ?
Q4) what are the advantages and disadvantages of wind energy ?
differentiate between thermal power plant and hydro power plant?
advantages and disadvantages of nuclear energy,
A 400W refrigerator operates for 16 h per day. Calculate the cost to operate uf fir 30 days at /rs.3.40 per kwh
Reuse of material is considered better than "RECYCLING". Why?
Compare and contrast hydroelectricity and biomass as sources of energy. List as many differences as possible.
Can any source of energy be pollution-free? Why or why not?
advantages and disadvantages of solar cooker
which of the following is not ultimately derived from sun's energy
Give any 5 advantages and disadvantages of solar cooker
what is energy?
What are the environmental consequences of the increasing element for energy? What steps would
Describe how hydroenergy can be converted into electrical energy. write any 2 limitations of hydroenergy.
Why is biogas considered an ideal fuel for domestic use?
3-3)Name two combustible components of biogas.
what is the principle working windmill ?
What are the uses of solar energy
how to make a simple working model of a solar cooker
construction of dams submerge large areas of forests. contribute it with green house effect
write a short note on tidal energy
Draw a flowchart to represent the conversion of energy in a hydroelectric power plant
list two advantages of using biogas over fossil fuel
Debate the following two issues inclass.
(a) The estimated coal reserves are said to be enough to last us for another two hundred years. Do you think we need to worry about coal getting depleted in this case ? Why or why not ?
(b) it is estimated that the sun will last for another five billion years. Do we need to worry about solar energy getting exhausted ? Why or why not ?
On the basis of the debate, decide which energy sources can be considered (i) exhaustible, (ii) inexhaustible, (iii) renewable and (iv) non-renewable. Give your reasons for each coice.
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