DGMS Gast Testing Exam Preparation Tips | Indian Minerology
Part 10: Exam Preparation Tips
🏆 EXAM SUCCESS STRATEGY
90 Days to Certification | Parts 1-9 = Complete Syllabus
10.1 30-Day Revision Master Plan
📅 Week-by-Week Strategy
| Week | Focus Parts | Daily Hours | Practice |
|---|---|---|---|
| Week 1 | 1-3 (Gases + Detection + Sampling) | 3 hours | 50 MCQs/day |
| Week 2 | 4-6 (Methane + Toxic + Ventilation) | 4 hours | Formula revision + 75 MCQs |
| Week 3 | 7-9 (Safety + Testing + Emergency) | 4 hours | Mock tests + Procedures |
| Week 4 | Full revision + Past papers | 6 hours | 3 full mocks + Analysis |
10.2 High-Yield Exam Topics (80% Questions)
🔥 CMR Statutory Limits
- CH₄ Return: 1% (Reg 117)
- CO Alarm: 50ppm (Reg 123)
- O₂ Minimum: 19.5%
- Aux Velocity: 3m/s
- Self-rescuer: Every 300m
📐 Calculations & Formulas
- ( Q = A \times V )
- Fan Law: ( P propto N^2 )
- Leakage <25%
- Water-gauge: 1mm=9.81Pa
- CH₄ LEL: 5% vol
📋 Statutory Forms
- V-24: Gas book
- V-25: Calibration
- V-27: Toxic incident
- V-28: Drill report
- V-30: Major incident
10.3 Sample Exam MCQs (Practice Now!)
❓ Quick Practice Questions
Q1: Maximum CH₄ permitted in return airway?
A) 1.0% ✅ B) 1.25% C) 1.5% D) 2.0%
A) 1.0% ✅ B) 1.25% C) 1.5% D) 2.0%
Q2: CO alarm level as per CMR 123?
A) 50ppm ✅ B) 100ppm C) 200ppm D) 400ppm
A) 50ppm ✅ B) 100ppm C) 200ppm D) 400ppm
Q3: Self-rescuer stations every?
A) 300m ✅ B) 500m C) 1000m D) 2000m
A) 300m ✅ B) 500m C) 1000m D) 2000m
Q4: Gas book form number?
A) V-24 ✅ B) V-25 C) V-26 D) V-27
A) V-24 ✅ B) V-25 C) V-26 D) V-27
Q5: Aux fan duct velocity?
A) 3m/s ✅ B) 1.5m/s C) 0.5m/s D) 5m/s
A) 3m/s ✅ B) 1.5m/s C) 0.5m/s D) 5m/s
10.4 Memory Aids & Mnemonics
🧠 Quick Recall Tricks
- "1-1-1 Rule": 1% CH₄, 1.25% limit, 1mm water-gauge
- "50-50-50": 50ppm CO, 50% leakage max, 50cm signage
- "300 Rule": 300m self-rescuer spacing, 3m/s aux velocity
- "V-24 Gas": Gas book = V-24
- "O₂ First": Always test oxygen before flammables
- "Roof First": CH₄ accumulates at roof level
10.5 Exam Day Checklist
✅ Last 24 Hours Preparation
📚 Night Before
- Revise CMR limits
- Forms V-24 to V-30
- Sleep 7-8 hours
- Pack Admit card
🎒 Exam Morning
- Light breakfast
- Revise 1-1-1, 50-50-50
- Arrive 30 min early
- Deep breathing
📝 During Exam
- Read questions twice
- Statutory limits first
- Eliminate wrong options
- Time management
🎉 COMPLETE!
Parts 1-10 = 100% Syllabus Coverage
You are EXAM READY! 💪
Share your success story in comments!
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