In a point load test on 50 mm diameter core specimen. rupture was observed at a load of 5000 kg. The uni-axial compressive strength of the specimen was
A. 3800 kg/cm2
B. 4000 kg/cm2
C. 4800 kg/cm2
D. 5000 kg/cm2
Answer: Option D
This Question Belongs to Mining Engineering >> Rock Mechanics And Roof Supporting
Related Questions on Rock Mechanics and Roof Supporting
Which of the following is not considered in Bieniawski's geo-mechanics classification?
A. rock strength
B. RQD
C. ground water condition
D. layers thickness
What is the expected range of LBC of a 2.5 m long, 15 cm diameter timber prop?
A. 5 - 10 KN
B. 15 - 20 KN
C. 50 - 60 KN
D. 120 - 130 KN
A. point load test
B. servocontrolled test
C. displacement test
D. post peak test
A. 1.25
B. 1.50
C. 2.25
D. 1.00
Join The Discussion