51. When was petroleum discovered first in commerical quantities in India

1. 1. 1880

   
   
   

   2. 1808

   
   
   

   3. 1890

   
   
   

   4. 1856

   
   
   

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   NA

   Correct Option: C

   NA

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52. Muchkund hydro-electric sheme is located in

1. 1. Andrha Pradesh

   
   
   

   2. Madhya Pradesh

   
   
   

   3. Odissa

   
   
   

   4. Bihar

   
   
   

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   NA

   Correct Option: A

   NA

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53. Haldia refinery is located in

1. 1. West Bengal

   
   
   

   2. Bihar

   
   
   

   3. Andrha Pradesh

   
   
   

   4. Odissa

   
   
   

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   NA

   Correct Option: A

   NA

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54. The first hydroelectric plant was installed in

1. 1. Sivasamudram

   
   
   

   2. Mumbai

   
   
   

   3. Kanpur

   
   
   

   4. Nainital

   
   
   

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   NA

   Correct Option: A

   NA

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55. Which pair is not correctly matched

1. 1. Tarapur - Maharashtra

   
   
   

   2. Rawat bhata - Rajasthan

   
   
   

   3. Naraura - Punjab

   
   
   

   4. Kalpakkam - Tamil Nadu

   
   
   

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   NA

   Correct Option: C

   NA

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