The allowable pressure that is allowed inside the working chamber of pneumatic caissons is _______
A. 2 kg/cm2
B. 4 kg/cm2
C. 3.5 kg/cm2
D. 7 kg/cm2
Answer:C
The allowable pressure that is allowed inside the working chamber of pneumatic caissons is _______
A. 2 kg/cm2 B. 4 kg/cm2 C. 3.5 kg/cm2 D. 7 kg/cm2