In a short wall panel, Coal Is extracted from the face by a continuous miner having rate of production 30 tonne/h. Coal having specific gravity of 1.4 is
transported by shuttle cars of capacity 0.9 m3 each to a feeder breaker located at 60 m from the face. If the average speed of LHD is 0.5 m/s and the total loading and unloading time of LHD is 40s, the number of LHDs required to
match the production of the continuous miner is —

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🎲 Quiz 'Drilling and Blasting Test'
Revision 1
🖊 20 questions · ⏱ 30 sec

🏆 Top results in the quiz 'Drilling and Blasting Test'

🖊 20 questions
⏱ 30 seconds per question
🤓 65 people took the quiz

🥇 Pintu – 19 (3 min 55 sec)
🥈 Chandu – 18 (2 min 8 sec)
🥉 Roopak Sinha – 18 (2 min 38 sec)
4. Binay mahapatra – 18 (2 min 34 sec)
5. God Egypt – 16 (3 min 35 sec)
6. Sandeep Singh – 16 (4 min 6 sec)
7. anchal singh – 16 (4 min 10 sec)
8. Honey Beta – 15 (2 min 39 sec)
9. K.shivam – 15 (3 min 1 sec)
10. MANISH SAHU – 15 (3 min 43 sec)
11. Ranjeet Waliya – 15 (3 min 58 sec)
12. υмєѕн тαηα внαgαт – 15 (4 min 13 sec)
13. Amit Dwivedi – 14 (3 min 11 sec)
14. Goverdhan Choudhary – 14 (3 min 34 sec)
15. Ajay Maind – 14 (3 min 38 sec)
16. Ashish Mishra – 14 (4 min 41 sec)
17. J P – 14 (4 min 35 sec)
18. mining fresher – 13 (3 min 22 sec)
19. Papu – 13 (3 min 32 sec)
20. @Mahto_Nitish – 13 (3 min 41 sec)

🏆 Top results in the quiz 'Drilling and Blasting Test'

🖊 20 questions
⏱ 30 seconds per question
🤓 65 people took the quiz

21. Shubham – 13 (3 min 40 sec)
22. Ushan Thakur – 13 (3 min 36 sec)
23. Bhaskar Boora – 12 (2 min 34 sec)
24. Nitish Singh – 12 (3 min 43 sec)
25. Vishwa – 12 (2 min 31 sec)
26. @L_Ashish – 12 (4 min 27 sec)
27. SUMAN SAMRAT – 12 (5 min 24 sec)
28. ANUPAM – 11 (2 min 40 sec)
29. Sabjeeb Sahoo – 11 (4 min 5 sec)
30. Ashok Singh – 11 (5 min 7 sec)
31. Chiku – 11 (5 min)
32. @ErAbhay – 11 (5 min 48 sec)
33. @itzrahulmic – 11 (6 min 25 sec)
34. Prashik Kamble – 10 (3 min 53 sec)
35. Shreyank Shah – 10 (4 min 10 sec)
36. Jite & Jite – 10 (5 min 4 sec)
37. Debjit Panja – 10 (6 min 21 sec)
38. Napster – 9 (4 min 37 sec)
39. Amit Kumar – 9 (4 min 46 sec)
40. vivek Bhardwaj – 9 (5 min 11 sec)

🏆 Top results in the quiz 'Drilling and Blasting Test'

🖊 20 questions
⏱ 30 seconds per question
🤓 65 people took the quiz

41. Sstyabrata Sahoo – 9 (5 min 24 sec)
42. Aman Bajpai – 9 (6 min 22 sec)
43. Virat Chary – 8 (4 min 4 sec)
44. Sreeraj – 8 (3 min 29 sec)
45. @Alphaphenomenon – 8 (4 min 42 sec)
46. Karan Yadav – 8 (5 min 23 sec)
47. Poonam Choudhary – 8 (5 min 41 sec)
48. Pravin Kahar – 8 (6 min 15 sec)
49. Kamlesh Kumar – 7 (2 min 38 sec)
50. Sahil – 7 (2 min 52 sec)
51. Kunal Kumar Roy – 7 (3 min 14 sec)
52. Raj Gaurav – 7 (3 min 33 sec)
53. Abdul Rizwan – 7 (4 min 37 sec)
54. Soumya Chatterjee – 7 (5 min 11 sec)
55. BANTI Kumar – 7 (6 min 29 sec)
56. Durgesh Durgesh Meahram – 6 (3 min 6 sec)
57. Ajit Kumar – 6 (4 min)
58. Durgesh Yadav – 6 (4 min 59 sec)
59. Tirupathirao Talari – 6 (6 min)
60. Suraj Dey – 6 (5 min 34 sec)

🏆 Top results in the quiz 'Drilling and Blasting Test'

🖊 20 questions
⏱ 30 seconds per question
🤓 65 people took the quiz

61. Nilesh Chandera – 5 (4 min 59 sec)
62. Jaidip Digpati – 3 (1 min 22 sec)
63. Ayushman Raj Seo – 3 (2 min 56 sec)
64. Rajini Nani – 1 (48.6 sec)
65. Hareesh – 1 (1 min 24 sec)

Surface Mining Revision Test
Date : 10/11/2020 ( Tuesday)
🖊 20 Questions ⏱️ 30 Seconds Per Questions
Test Start in 06:30 Pm (10/11/20)
Result announced in 06:30 pm (11/11/20)

NCL 2020 Question Paper (Part 1)
Date : 09/11/2020 ( Monday)
🖊 10 Questions ⏱️ 15 Seconds Per Questions
Test Start in 03:30 Pm (09/11/20)
Result announced in 03:30 pm (10/11/20)

🎲 Quiz 'NCL 2020 Question Paper'
Part 1
🖊 10 questions · ⏱ 15 sec

Be Ready ⏱️ for today 6:30pm Quiz

🏆 Top results in the quiz 'NCL 2020 Question Paper'

🖊 10 questions
⏱ 15 seconds per question
🤓 74 people took the quiz

🥇 Sanjay Sanju – 10 (49.8 sec)
🥈 Lovekush – 10 (53.5 sec)
🥉 Roopak Sinha – 10 (54.8 sec)
4. Ajay Maind – 9 (48.1 sec)
5. @L_Ashish – 9 (50.6 sec)
6. Sabjeeb Sahoo – 9 (1 min 17 sec)
7. @Mahto_Nitish – 8 (45.4 sec)
8. Jayesh Kumar – 8 (49.3 sec)
9. sunny – 8 (52.8 sec)
10. ANUPAM – 8 (57 sec)
11. Ushan Thakur – 8 (48.7 sec)
12. Jite & Jite – 8 (1 min 5 sec)
13. Sanjay Sahu – 8 (1 min 9 sec)
14. Sstyabrata Sahoo – 8 (1 min 14 sec)
15. Binay mahapatra – 8 (1 min 16 sec)
16. Raj Kumar – 8 (1 min 19 sec)
17. @sombre15 – 7 (57.8 sec)
18. ASHOK – 7 (50.8 sec)
19. Nikhil Nayak – 7 (1 min 13 sec)
20. @sam_belobed – 7 (1 min 11 sec)

🏆 Top results in the quiz 'NCL 2020 Question Paper'

🖊 10 questions
⏱ 15 seconds per question
🤓 74 people took the quiz

21. Nilesh Chandera – 7 (1 min 24 sec)
22. Rd Chavda – 7 (1 min 15 sec)
23. Dhirendra Kumar – 6 (33.2 sec)
24. shubham singh – 6 (1 min 7 sec)
25. Jaidip Digpati – 6 (1 min 10 sec)
26. Ravi Kumar – 6 (1 min 17 sec)
27. Shubham – 6 (1 min 14 sec)
28. Anil Saw – 6 (1 min 8 sec)
29. SUMAN SAMRAT – 6 (1 min 32 sec)
30. Prashik Kamble – 6 (1 min 33 sec)
31. Shubham Kumar Singh – 6 (1 min 33 sec)
32. Sandeep Singh – 6 (1 min 32 sec)
33. @ErAbhay – 6 (1 min 34 sec)
34. Vamsi Krishna – 6 (1 min 36 sec)
35. Sahil – 5 (59.9 sec)
36. ujjwal tripathi – 5 (52.7 sec)
37. Aaquib Jawed – 5 (1 min 14 sec)
38. @vaamshi – 5 (1 min 22 sec)
39. Ajit Kumar – 5 (1 min 7 sec)
40. Napster – 5 (1 min 26 sec)

🏆 Top results in the quiz 'NCL 2020 Question Paper'

🖊 10 questions
⏱ 15 seconds per question
🤓 74 people took the quiz

41. @manish2197 – 5 (1 min 28 sec)
42. Rizwan Mohammad – 5 (1 min 5 sec)
43. Sujay – 5 (1 min 30 sec)
44. @Rahul415959 – 5 (1 min 34 sec)
45. Rahul Kumar – 5 (1 min 55 sec)
46. Pravin Kahar – 5 (1 min 56 sec)
47. Estradove Satheesh – 4 (35.9 sec)
48. @itzrahulmic – 4 (45.7 sec)
49. Goverdhan Choudhary – 4 (1 min 2 sec)
50. Dev – 4 (1 min 16 sec)
51. Bhaskar Boora – 4 (1 min 21 sec)
52. Durgesh Yadav – 4 (1 min 24 sec)
53. Karan Yadav – 4 (1 min 29 sec)
54. Poonam Choudhary – 4 (1 min 18 sec)
55. Roy – 4 (1 min 28 sec)
56. Mahesh – 4 (1 min 34 sec)
57. Wakil Mahto – 4 (1 min 28 sec)
58. Vikrant Kumar Rana – 4 (1 min 43 sec)
59. @Krohith45 – 4 (1 min 43 sec)
60. mining fresher – 3 (1 min 10 sec)