Vehicles carrying inflammable materials usually have metallic ropes touching the ground during motion in order to

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Q: 73 (CAPF/2011)
Vehicles carrying inflammable materials usually have metallic ropes touching the ground during motion in order to
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question_subject: 

Science

question_exam: 

CAPF

stats: 

0,34,34,7,34,13,14

keywords: 

{'inflammable material': [0, 0, 0, 1], 'inflammable materials': [0, 0, 0, 1], 'metallic ropes': [0, 0, 0, 2], 'lightning': [1, 0, 3, 6], 'vehicles': [0, 0, 1, 8], 'vehicle': [0, 0, 0, 5], 'ground': [2, 1, 4, 17], 'friction': [0, 0, 1, 1], 'motion': [0, 0, 0, 3], 'charge': [1, 0, 4, 12], 'speed': [0, 1, 2, 0]}