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

  Elevation of the road at station

Given the following data for a vertical curve of a road; G1=-2.5%, G2=+5.5% and station of PVI=250+50.At station 252+50, the vertical curve must intersect an existing road at elevation 48.48ft. the elevation on the tangent section at station 256+5..

  Estimating the volume of soil in cubic meters

The void ratio of soil in the borrow pit is 1.12. Estimate the volume of soil (cubic meters) that must be excavated from the borrow pit.

  Oxidization of ammonia during nitirification

what is the final dissolved oxygen concentration (in mg/L) in the waste lagoon after all of the ammonium (NH4 + ) is converted to nitrate? Recall that 4.57 mg of O 2 is need per mg of ammonium (as N) oxidized during nitirification. After all of the..

  Tension in the horizontal cable

The center of gravity of the crane is 10 ft from the pin, and the crane weighs 200 lb. What is the tension in the horizontal cable.

  Regular hexagonal pyramid

A regular hexagonal pyramid has an upper base edge of 16 ft. and a lower base edge of 28 ft. if the volume of the frustum is 18041 ft^3., find the lateral area of the frustum.

  Calculate force and moment

Which software do we use to calculate force and moment, and draw shear and moment diagram? I really need this software to design my structural project. Please helps me... thank you so much.

  Largest principal stresses and maximum shear stress

The shaft diameter is 100 mm. Calculate the largest principal stresses and maximum shear stress that will occur in the shaft.

  Determine the rankine earth pressure diagram

A ten-foot high wall will retain a medium dense sand backfill. Determine the Rankine earth pressure diagram and the total active force on the wall.

  What is the new water content

A soil sample with a water content of 14.5% and unit weight of 128.2 lb/cu. ft. was dried to a unit weight of 118.8 lb/cu. ft. without changing its void ratio. What is its new water content (in %)?

  Determine the stress state at points a & b

CE 3303 – Solids – MWF – Spring 2014 - Homework Set 23, – The pipe shaft of the auger, rotating at a constant angular velocity, is subject to the axial force and torque shown. Determine the stress state at points A & B and show on a stress element.

  Time inventory system for a product

How appropriate might a just in time inventory system be for a product such as roller skates?

  Force that cause stress-free

The rigid bar abcd is supported by a pin at B and restrained by identical steel bars at C and D, each of area 250mm 2 . if the temperature is increased by 8 0 C, find out the force P that will cause the bar at c to be stress-free.

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