Mining Engineering
2019 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE MN 2019 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 42
Open questionMNNAT2 marksNeeds review
The main surface fan of a mine as shown in the figure, has characteristic curve approximated by
, where P is pressure in Pa and Q is quantity in m
/s. A booster fan is installed in section A such that there is no air flow in section B. The operating pressure of the main surface fan, in Pa, (rounded off to two decimal places) is 
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 answerQuestion 43
Open questionMNNAT2 marksNeeds review
Two points A and B are located 150 m apart in the East-West orientation on the bank of a river as shown in the figure. Considering a station C on the north bank the bearings of AC and BC are observed to be 42° and 35° respectively. The width of the river, in m, (rounded off to two decimal places) is
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 answerQuestion 44
Open questionMNNAT2 marksNeeds review
If
, the value of
isLog 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 answer