Tag: conventional sources of energy

Questions Related to conventional sources of energy

Multiple choice physics sources of energy biomass and biogas biogas conventional sources of energy

The output of a given windmill

  1. increases with an increase in wind velocity.

  2. decreases with an increase in wind velocity.

  3. is independent of wind velocity.

  4. cannot be determined

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Windmills convert the kinetic energy of wind into mechanical or electrical energy. Since kinetic energy is proportional to the square of velocity, the output increases as wind velocity increases.

Multiple choice physics sources of energy biomass and biogas biogas conventional sources of energy

Biogas is a mixture of

  1. $CO + H _2 + CH _4$

  2. $CO _2 + CH _4 + H _2 + H _2 S$

  3. $CO + H _2$

  4. $CO _2 + N _2$

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Biogas is primarily produced through the anaerobic digestion of organic matter. Its main components are methane (CH4) and carbon dioxide (CO2), with smaller amounts of hydrogen (H2) and hydrogen sulfide (H2S).