Energy Resources And Environment(Environment Management ) Questions and Answers

Question 1. Hospitals, having less premises, can be benefited from an electrical power source about
  1.    12-20 kW
  2.    1-2 kW
  3.    10-40kW
  4.    4-8 kW
Explanation:-
Answer: Option B. -> 1-2 kW
Answer: (b).1-2 kW

Question 2. An important component of a solar water heater:
  1.    Tower
  2.    Turbines
  3.    Expansion tank
  4.    Pipes
Explanation:-
Answer: Option C. -> Expansion tank
Answer: (c).Expansion tank

Question 3. By 2010, germany has been given a target of installing :
  1.    100000 roofs
  2.    200000 roofs
  3.    300000 roofs
  4.    400000 roofs
Explanation:-
Answer: Option A. -> 100000 roofs
Answer: (a).100000 roofs

Question 4. In 2010, average global household electricity consumption was approximately:
  1.    5, 500 kWh
  2.    3, 500 kWh
  3.    7, 500 kWh
  4.    8, 500 kWh
Explanation:-
Answer: Option B. -> 3, 500 kWh
Answer: (b).3, 500 kWh

Question 5. In 2000, total installed world capacity of PV increased about:
  1.    3500 MW
  2.    1500 MW
  3.    6500 MW
  4.    9500 MW
Explanation:-
Answer: Option B. -> 1500 MW
Answer: (b).1500 MW

Question 6. By 2000, japan had installed a capacity of about
  1.    400MW
  2.    320 MW
  3.    1000MW
  4.    900MW
Explanation:-
Answer: Option B. -> 320 MW
Answer: (b).320 MW

Question 7. Energy efficiency of coal-fired power station has been improved, approximately
  1.    0.32
  2.    0.5
  3.    0.8
  4.    0.33
Explanation:-
Answer: Option A. -> 0.32
Answer: (a).0.32

Question 8. Solar energy gain through windows and roof are known as:
  1.    Passive Solar Again
  2.    Active Solar Gain
  3.    Passive Solar Loss
  4.    Active Solar Loss
Explanation:-
Answer: Option A. -> Passive Solar Again
Answer: (a).Passive Solar Again

Question 9. Hybrid electrical vehicals has an efficiency of about:
  1.    0.6
  2.    0.5
  3.    0.7
  4.    0.8
Explanation:-
Answer: Option B. -> 0.5
Answer: (b).0.5

Question 10. In gas turbine, If maximum temperature of a thermal cycle raises
  1.    The efficiency of energy conversion increases
  2.    The efficiency of energy conversion deccreases
  3.    The efficiency of energy conversion remains constant
  4.    The volume of gas increases
Explanation:-
Answer: Option A. -> The efficiency of energy conversion increases
Answer: (a).The efficiency of energy conversion increases