What is a "shaft mine"?

A Aquery
B An open pit mine
C Amine dug deep into the earth
D Amine for descending into which a shaft is generally used

Correct Answer: Amine dug deep into the earth

A mine dug deep into the earth is a "shaft mine". Shaft mining is a type of underground mining where shafts are pushed vertically start to finish to uncover the metals and minerals. It is additionally called shaft sinking.
Bissoy MCQ
#Geography #Miscellaneous World Geography

Related Questions

Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.
A Twice
B Four times
C Eight times
D Sixteen times
The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft and $$I$$ = Mass moment of inertia of the disc attached at the end of a shaft)
A $$2\pi \sqrt {\frac{{\text{q}}}{I}} $$
B $$2\pi \sqrt {{\text{q}}I} $$
C $$\frac{1}{{2\pi }}\sqrt {\frac{{\text{q}}}{I}} $$
D $$\frac{1}{{2\pi }}$$
The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft and $$\tan \varphi $$  = Coefficient of friction between the shaft and bearing)
A $${\text{r}}\sin \varphi $$
B $${\text{r}}\cos \varphi $$
C $${\text{r}}\tan \varphi $$
D $$\frac{{\text{r}}}{2}\cos \varphi $$
The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. radius of shaft) is known as
A Bending moment
B Twisting moment
C Torsional rigidity
D Flexural rigidity
‘The doctor is a friend of mine’. Identify the parts of. speech of ‘mine’:
A noun
B pronoun
C verb
D adjective
When is International Day for Mine Awareness and Assistance in Mine Action, recognized by the UN is observed?
A 11 December
B 4 April
C 25 September
D 25 March
He works his work, I mine. Here ‘mine’ is a -
A relative pronoun
B possessive pronoun
C possessive adjective
D none of them
A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is
A $$\frac{{\text{M}}}{{\text{T}}}$$
B $$\frac{{\text{T}}}{{\text{M}}}$$
C $$\frac{{2{\text{M}}}}{{\text{T}}}$$
D $$\frac{{2{\text{T}}}}{{\text{M}}}$$
Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that
A Shaft B is better than shaft A
B Shaft A is better than shaft B
C Both the shafts are equally good
D None of these
A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material.
A Smaller
B Greater
C Medium
D None of these

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