Mining Engineering
2017 · Paper 1
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Complete GATE MN 2017 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 52–54 of 65. Imported answers require review unless explicitly marked reviewed.
Question 52
Open questionMNNAT2 marksNeeds review
A 1.1 m wide belt conveyor carries materials of bulk density 1.35 t/m³ at a speed of 1.75 m/s. The average cross-sectional area of material is equal to
, where w is the width of the belt in m. The carrying capacity of the conveyor in t/h is ________Log in to check the answer
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In a book of 600 pages, there are 60 typographical errors. Assuming Poisson distribution for the number of errors per page, the probability of no errors in randomly chosen 4 pages is ________
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Open questionMNMCQ2 marksNeeds review
Match the special methods of shaft sinking with rock mass conditions and scope of application.
Special methods | Rock mass condition | Scope of application
A. Shaft boring | P. Loose ground without intrusion of hard rocks or boulders | 1. Any depth
B. Cement grouting | Q. Highly jointed rock filled with water | 2. Up to 30 m from surface
C. Caisson method | R. All types of water bearing rocks | 3. Up to 1000 m
D. Freezing | S. Moderately strong rocks | 4. Less than 600 m from surface
Your answerChoose one option.
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