GATE MN · 2025 · MN
Question 27: Mine Development
Give it a try, then reveal the answer to check your work.
Question 27
MNNAT1 markNeeds review
An HMX explosive having Velocity of Detonation (VOD) of 10500 m/s is tested by D’Autriche method with a detonating fuse of VOD 7000 m/s, as shown in the figure. The impression mark on lead plate will be obtained at a distance (L), in m, from the mid point of the fuse, is ___ (rounded off to two decimal places)

Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerEXPLORE & PRACTISE
Paper and topic context
See where this question comes from and choose what to practise next.
2025MN
GATE MN 2025 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
Practise related topics
Explore more previous year questions using this question’s imported topic tags.
mining engineering
GATE MN previous year questions
mining
GATE MN previous year questions
mineral processing
GATE MN previous year questions
mine development
GATE MN previous year questions
Comments
Ask a question, share your approach, or help someone understand.
Log in to view the discussion
You’re not logged in. Log in or create an account to see discussions and add comments.