Vidyalelo
Mining Engineering · Q21

Introduction to Mining Engineering

Engineering and GATE · Mining Engineering · question 21

Q21

A dragline is required to remove 3,00,000 m3 of rock per month on the bank volume basis. Consider the following data for the dragline operation. Effective working hours per month = 450 Bucket fill factor = 0.8 Cycle time = 65 s Swell factor of the rock = 1.25 The minimum bucket capacity of the dragline in m3 is

A.
7.70
B.
9.63
C.
12.04
D.
18.80
Answer

Answer: Option D

Solution

Answer: Option D
No explanation is given for this question Let's Discuss on Board