With reference to Problem 6.32, if pillars are sized according to the maximum extraction ratio and pillar
Question:
With reference to Problem 6.32, if pillars are sized according to the maximum extraction ratio and pillar compressive strength, determine if the pillars are safe with respect to failure of Joint Set 2.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 58% (17 reviews)
Given Pillars sized at Rmax to core Find Joint set 2 FS Set 2 Ap ...View the full answer
Answered By
Nazrin Ziad
I am a post graduate in Zoology with specialization in Entomology.I also have a Bachelor degree in Education.I posess more than 10 years of teaching as well as tutoring experience.I have done a project on histopathological analysis on alcohol treated liver of Albino Mice.
I can deal with every field under Biology from basic to advanced level.I can also guide you for your project works related to biological subjects other than tutoring.You can also seek my help for cracking competitive exams with biology as one of the subjects.
3.30+
2+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Geological Engineering questions
-
With reference to Problem 15, if pillars are square and rooms (entries and crosscuts) are 30 ft wide, what size of pillars are indicated when the pillar safety factor is 2?
-
With reference to Problem 1, if pillars are square and rooms (entries and crosscuts) are 45 ft wide, what size of pillars is indicated?
-
With reference to Problem 5, if pillars are square and rooms (entries and crosscuts) are 13.7 m wide, what size of pillars is indicated?
-
In each case, verily that the points P and Q lie on the line. x = 4 - t P(2, 3, -3), Q(-1, 3, -9) y = 3 z = 1 - 2t
-
Find the difference in wavelength (1 - 2) for each of the following pairs of radio waves: (a) f1 = 50 kHz and f2 = 52 kHz, (b) f1 = 500 kHz and f2 = 502 kHz.
-
How can Nordstrom expand the scope of the strategic fit across the supply chain?
-
What must be included in a motion for summary judgment?
-
What is the probability of finding a particle in a box of length L in the region between x = L/4 and x = 3L/4 when the particle is in (a) The ground level and (b) The first excited level? (c) Are...
-
In September 2019, George Taylor realized a lifelong dream by starting his own construction company. He had worked for several construction firms in Qubec over the years and had been a foreman on...
-
The names of the employees of Matson Office Systems and their regular salaries are shown in the following payroll register. Note that Wayne and Young are paid monthly on the last payday, while all...
-
An alternative mining plan is to develop two levels, below the upper A Level, and mine only the high grade. The B Level would be in the 43 ft of high grade, while the C level would be in the lower 20...
-
A multilevel room and pillar metal mine is under consideration in flat strata striking N60E. Entries are planned on strike, crosscuts up, and down dip. Table 6.8 shows depths and material properties...
-
Find the slope of the line that passes through the given points. (2.8, 3.4), (1.2, 4.2)
-
The table shows the demand and marginal costs for a monopolist. a. Find the total revenue, marginal revenue, total cost, and profit associated with each level of output for the firm. b. Graph the...
-
Can spreadsheets easily solve for interest rate or time?
-
Describe the size effect and the value premium. Are these found in international stocks? Are these factors evidence of market inefficiency?
-
What is meant when a stock is listed? What about when a stock is unlisted?
-
What other factors should Baptists managers consider when making the capitation contract decision?
-
Consider the position $X$ that has a uniform probability density between -40 and 60. Find $\operatorname{VaR}_{h}(X)$ for all $h, 0 \leq h \leq 1$.
-
1. Below is depicted a graph G constructed by joining two opposite vertices of C12. Some authors call this a "theta graph" because it resembles the Greek letter 0. a. What is the total degree of this...
-
A gas-cooled nuclear reactor operates between hot and cold reservoir temperatures of 700C and 27.0C. (a) What is the maximum efficiency of a heat engine operating between these temperatures? (b) Find...
-
Find the VO in the circuit shown using nodal analysis. 12kQ 12V 9% 6V
-
Find the maximum shear stress in the throat of the weld metal in the figure. br> F 5000 lbf lin 2 in 8in tn in in lin lin
-
The figure shows a welded steel bracket loaded by a static force F. Estimate the factor of safety if the allowable shear stress in the weld throat is 120 MPa. br> 120F 7.5 kN 120 459 Dimensions in...
-
Quetzaltenango Candle Inc. budgeted production of 740,000 candles for March. Wax is required to produce a candle. Assume 11 ounces of wax is required for each candle. The estimated March 1 wax...
-
Dorothy.com uses the allowance method of accounting for bad debts. The company produced the following aging of the accounts receivable at year-end. (a) Calculate the total estimated bad debts based...
-
Alden Company's monthly data for the past year follow. Management wants to use these data to predict future variable and fixed costs. Month Units Sold 1 318,000 2 163,000 Total Cost $ 155,500 99,250...
Study smarter with the SolutionInn App