List of top Mining Engineering Questions asked in TS PGECET

A rock specimen was tested under compression. The lateral and longitudinal strains were found to be \(0.8\%\) and \(4\%\) respectively. The Poisson's ratio of the specimen is

The load at which an axially loaded prop reaches its elastic limit or at which it begins to buckle is called

If the rock has RMR value \(72\), then what will be its roof classification?

In a Mohr--Coulomb failure criterion, the ratio of the uniaxial compressive strength to the tensile strength is

An area of \(100\,\text{m}^2\) is measured on a plan having an R.F. of \(\dfrac{1}{800}\). If the R.F. were changed to \(\dfrac{1}{2000}\), the area on the new plan in \(\text{m}^2\) would be

Random errors are best minimized by

The magnetic bearing of a line AB is \(S\,32^\circ E\) and the magnetic declination is \(4^\circ E\). What is the true bearing of the line AB?

A transition curve is provided to

The load on a prop when the upper member is beginning to slide is called

In the etch method, the acid used to measure borehole deviation is

Identify the correction to departure of any side in traversing.

Which drilling method is most commonly used in underground metal mines?

In the freezing method of shaft sinking, the cooling liquid used for circulation is

The term “Powder Factor” refers to

In opencast blasting, delay detonators are used to

The texture of igneous rocks depends mainly on

The mineral commonly used in the manufacture of cement is

Which rock is a sedimentary rock?

Schist is a metamorphic rock characterized by

The example for foliated metamorphic rock is

Hoskold’s formula is used for

In project planning, the activity durations are calculated by PERT and CPM techniques assuming: