Bissoy.com
Doctors Medicines MCQs Q&A

The foot wall shaft cross cuts are drawn to intersect the ore body and raises are made to connect the cross cuts; in under ground. The top of the raises are widened, the method of extraction is . . . . . . . .

The foot wall shaft cross cuts are drawn to intersect the ore body and raises are made to connect the cross cuts; in under ground. The top of the raises are widened, the method of extraction is . . . . . . . . Correct Answer u/g glory hole

Related Questions

A straight tree breaks due to storm and the broken part bends so that the top of the tree touches the ground making an angle of 60° with the ground. The distance from the foot of the tree to the point, where the top point touches the ground is 15 m. Find the ratio between total height of the tree and the distance from foot of the tree to top point of the tree.
Which of the following statements are true with respect to iron ore?
I. Limestone and coal are important for smelting iron ore
II. More than 20% of the world iron ore deposits are in India
III. Odisha and Jharkhand top in the production of iron ore
IV. Iran is the largest buyer of Indian iron ore
A computer handles several interrupt sources of which the following are relevant for this question. Interrupt from CPU temperature sensor (raises interrupt if CPU temperature is too high) Interrupt from Mouse (raises interrupt if the mouse is moved or a button is pressed) Interrupt from Keyboard (raises interrupt when a key is pressed or released) Interrupt from Hard Disk (raises interrupt when a disk read is completed) Which one of these will be handled at the HIGHEST priority?
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the maximum speed of the intermediate shaft if the driving shaft has a constant speed of 500 r.p.m.
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the minimum speed of the intermediate shaft if the driving shaft has a constant speed of 500 r.p.m.
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the maximum speed of the driven shaft if the driving shaft has a constant speed of 500 r.p.m.
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the minimum speed of the driven shaft if the driving shaft has a constant speed of 500 r.p.m.
A ladder leaning against a wall makes an angle θ with the horizontal ground such that \(\cos \theta = \dfrac{5}{13}\). If the height of the top of the ladder from the foot of the wall is 18 m, then what is the distance (in m) of the foot of the ladder from the wall?
A tree is bent at a point 12 meters above the ground. The top of tree meets the ground at certain distance from the foot of tree and makes an angle of 75° from the ground. What is the distance between the foot and top of the bent tree?
A ladder is placed against a wall such that it just reaches the top of the wall. The foot of the ladder is at a distance of 5 metres from the wall. The angle of elevation of the top of the wall from the base of the ladder is 15°. What is the length (in metres) of the ladder?