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Madhya Pradesh Vyapam Sub Engineering Mining Paper 8th July 2017 Shift I
Point of tangency in a curve is the __________
(a) location of the curves start point
(b) location of the curves end point
(c) Curves midpoint
(d) point joining two tangents of a curve
Ans- (b)
Name of the method in which the deflection angle is equal to half the angle subtended by the arc at the centre, and it is assumed that the length of the arc is approvximately equal to length of the cord.
(a) Two-theodalite method
(b) Rankine’s method
(c) Jaderin’s method
(d) Tacheometric method
Ans- (b)
Name the equipment used in mining placer deposits
(a) Riffle box
(b) Auger
(c) Wagon drill
(d) Rope saw
Ans- (a)
Every plan or section should be submitted on a scale having a representative factor of
(a) 1330 : 1
(b) 1200 : 1
(c) 1100 : 2
(d) 1300 : 1
Ans- (b)
In which of the following baseline measuring method, tripods are used to hold the measuring tape?
(a) Wheeler’s method
(b) Rankine’s method
(c) Hunter’s short base method
(d) Jaderin’s method
Ans- (d)
Stone dust barriers consists of
(a) Each plank is placed on above the other and loaded with stone dust
(b) Shelves placed side by side and loaded with stone dust
(c) Sheleves placed side by side and each shelf consists of planks placed on above the other and loaded with stone dust
(d) Shelves placed side by side and each shelf consists of another shelf placed on above the other and loaded with stone dust
Ans- (c)
In an opencast mining blasting, ground vibration occurs due to
(a) Low current
(b) Poor stemming
(c) Improper delays
(d) Excess charge
Ans- (d)
In an opencase mining blasting, poor stemming result in
(a) Vibration
(b) Misfire
(c) Blown-out-shot
(d) Cut-off-shot
Ans- (c)
In an opencase mining blasting, improper delay results in
(a) Vibration
(b) Misfire
(c) Blown-out-shot
(d) Cut-off-shot
Ans- (d)
In an opencase mining blasting, misfire occurs due to
(a) Low current
(b) Poor stemming
(c) Improper delays
(d) Excess charge
Ans- (a)
Last Updated on – 7th April 2022
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