Que-
Radial stress on the excavation boundary of a circular Tunnel is :
A) Always zero
B) Always positive
C) Always Negative
D) positive in some area and negative in some area
Answer : (A) Always zero
top of page
bottom of page
Que-
Radial stress on the excavation boundary of a circular Tunnel is :
A) Always zero
B) Always positive
C) Always Negative
D) positive in some area and negative in some area
Answer : (A) Always zero
Que- At a fan pressure of 450 Pascal, 50m³/s of air flows through a mine. when fan stops 10 m³/s of air still flows in the same...
Comments