Mining Engineering
GATE MN branch:mn PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–20 of 650. Imported answers require independent review unless marked reviewed.
Question 11
Open questionMNMCQ1 markNeeds review
If
is an identity matrix, the polynomial equation that satisfies the Cayley-Hamilton theorem for the matrix
isYour answerChoose one option.
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 12
Open questionMNMCQ1 markNeeds review
Let
and
are the unit vectors in the x and y direction, respectively. The divergence
of
at the point
isYour answerChoose one option.
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 13
Open questionMNMCQ1 markNeeds review
Which one of the following is a non-linear, second-order, and first-degree differential equation?
Your answerChoose one option.
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 14
Open questionMNMCQ1 markNeeds review
As per the Mohs scale of hardness, the correct sequence is
Your answerChoose one option.
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 15
Open questionMNMCQ1 markNeeds review
Match the distribution with its corresponding probability density/mass function.
Distribution type | Probability density/mass function |
|---|---|
(P) Binomial Distribution | (1) |
(Q) Poisson Distribution | (2) |
(R) Normal distribution | (3) |
(S) Exponential Distribution | (4) |
Your answerChoose one option.
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 16
Open questionMNMCQ1 markNeeds review
As per the UNFC mineral resources classification system, the highest category of resource is indicated by
Your answerChoose one option.
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 17
Open questionMNMCQ1 markNeeds review
The best combination of explosive and initiation system for underwater blasting for rock breakage is
Your answerChoose one option.
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 18
Open questionMNMCQ1 markNeeds review
The firing sequence in a drivage is shown. The charge per hole for Sections 1, 2, and 3 are 2.0 kg, 3.0 kg, and 1.0 kg, respectively, and the delay between each section is 25 milliseconds. The maximum charge per delay, in kg, is

Your answerChoose one option.
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 19
Open questionMNMCQ1 markNeeds review
The igneous intrusion along the bedding plane of the coal seam, as indicated by P, is known as

Your answerChoose one option.
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 20
Open questionMNMCQ1 markNeeds review
In remote sensing, the order of the wavelength bands of electromagnetic radiation used for data acquisition is
Your answerChoose one option.
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 answer