Related InterviewSolutions

• Compare and contrast bio-mass and hydro-electricity as sources of energy.
• Which of the following is not an example of bio-mass energy source ? (a) wood (b) gobar gas ( c) atomic energy (d) coal.A. woodB. gobar gasC. nuclear energyD. coal
• Bituminous coal is the finest quality of coal.
• What are many thermal power plants set up near coal or oil fields ?
• Solar cells are made of :A. conductorsB. insulatorsC. semi-conductorsD. super-conductors
• The value of solar constant is :A. 1.4 kWhB. 1.4 kW/mC. `1.4 kW//m^(2)`D. `1.4 kW//m^(3)`
• The radiations present in sunlight which make a solar cooker work are :A. visible light raysB. ultraviolet raysC. cosmic raysD. infrared rays
• Explain what is meant by anaerobic degradation ?
• Name two appliances that use solar energy directly.
• Why is there a need to harness non-conventional sources of energy ? Give two main reasons.