Vidyalelo
Mining Engineering · Q45

Mine Supports and Strata Control

Engineering and GATE · Mining Engineering · question 45

Q45

The roof in coal mines tested by

A.
Visual test
B.
Hearing test
C.
Tapping test
Answer
D.
Vibration test

Answer: Option C

Solution

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