Explain break even stripping ratio

Assignment Help Civil Engineering
Reference no: EM13143087

Break Even Stripping Ratio (BESR)
Given an underground total mining cost of $8.85 per tonne, surface mining costs of $2.95 per tonne of ore, and surface mining stripping costs of $1.75 per tonne of waste, calculate the break even stripping ratio (with zero profit) between surface and underground mining.

Reference no: EM13143087

Questions Cloud

Explain metallurgical balance in mineral processing : Metallurgical balance in mineral processing, Assume 2000 short tons of ore were mined, 200 tones were rejected as waste and the tonnage accepted for metallurgical treatment
How many grams of the precipitate can be formed : A solution of 120 mL of 0.150 M KOH is mixed with a solution of 280 mL of 0.250 M NiSO4. How many grams of the precipitate can be formed?
Preferred method of using adjusting from cost : Describe the preferred method of using adjusting from cost to market for material inventory write downs?
How much of net income : interest on original investment at 10%, salary allowances of $28,803 and $30,420 respectively, and the remainder equally. How much of the net income of $118,415 is allocated to X?
Explain break even stripping ratio : Break Even Stripping Ratio (BESR), Given an underground total mining cost of $8.85 per tonne, surface mining costs of $2.95 per tonne of ore, and surface mining stripping costs of $1.75 per tonne of waste
Overall contribution margin ratio for the company : Suppose that the sales mix changes to 40% Aye, 25% Bee, and 35% Cee, what would be the new overall contribution margin ratio for the company?
Compare and contrast the works of woolman : "Compare and contrast the works of Woolman, Occum, & Edwards; Discuss their ideas about religion and equality.
What is the theoretical yield of zinc iodide : what is the theoretical yield of zinc iodide, if a 2.0-g sample of zinc was used with 6.5 grams of iodine
What is fred capital account balance at the end of year : At the beginning of the year, the capital account balances were: Fred capital, $42,365; Ethel capital, $51,352. What is Fred's capital account balance at the end of the year?

Reviews

Write a Review

Civil Engineering Questions & Answers

  Compute the maximum acceptable tensile load

Compute the maximum acceptable tensile load Pu, on an angle L6x4x3/4 when connected to both legs. The 4 in. leg contains a single gage line of 7/8in. diameter bolts, and the 6in.

  Length of the curve-elevation of the curve at station

A vertical curve is to connect two tangents that intersect at station 50+00 and the elevation 500.00ft. The back tangent gradient is -4 percent, the forward tangent gradient is 2 percent, and the elevation of the curve at station 48+50 must equal ..

  Find the steady-state concentration of pollutant

The pollutant has a reaction rate coeeficient k of 0.25/day. Assuming is pollutant is well mixed in the lake, find the steady-state concentration of pollutant in the lake.

  Percent elongation and percent reduction in area

Also, at the failure cross sections the diameters are found to be 0.731 in., 0.645 in., and 0.587 in., respectively. Determine the percent elongation and percent reduction in area of each specimen.

  Determine the theoretical discharge

A vertical triangular orifice in the wall of a reservoir has a base 0.9m long,0.6m below its vertex and 1.2 m below the water surface. Determine the theoretical discharge?

  Describing a dynamic programming algorithm

Describe a dynamic programming algorithm to find an independent set of T such that the sum of numbers of nodes in the set is the largest among all possible independent sets of T.

  Base of each standpipe

Determine: a) the height of the water, with respect to the base of each standpipe, and b) the effective stress at the depth of each standpipe, at the following times:

  Mass flow raw through the nozzle

Air enters an adiabatic nozzle steadily at 300 kPa, 200 o C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm 2 . Determine (a) the mass flow raw through the nozzle, (b) the exit temperature of the air, and (c) the ..

  Engineering ethics and ethical issue

what is the engineering ethics course where to write about any engineering ethical case and discuss the ethical issue?

  Problem related to horizontal cylindrical tank

A horizontal cylindrical tank 4 ft in diameter and 10 ft long is full of water. Find the work done in pumping the water to a point 4 above the top of the tank.

  Partial wavelength for electromagnetic energy

What is the length of the partial wavelength for electromagnetic energy with a frequency of 15 MHz and a phase shift of 263 degrees (in meters)?

  Engineering ethics concepts and cases

Engineering ethics concepts and cases

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd