Rocks with excessive internal stresses which may cause spalling are known as
A.Stratified rocks
B.Popping rocks
C.Crushed rocks
D.Swelling rocks
E.Schistos rocks
A.Stratified rocks
B.Popping rocks
C.Crushed rocks
D.Swelling rocks
E.Schistos rocks
A.30 cm to 1.2 m
B.1.8 m to 2.0 m
C.3 m to 5 m
D.5 m to 7 m
E.8 m to 10 m
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A.At normal depth
B.Above normal depth
C.Below normal depth
D.Below critical depth
E.Above critical depth
A.Actual operating speed
B.No lead speed
C.Full load speed
D.No load speed when governor mechanism fails
E.90% greater than normal speed
A.Inertial, pressure
B.Gravity, inertial
C.Buoyancy, gravity
D.Viscous, buoyancy
E.Pressure, viscous
A.Viscous and pressure forces
B.Viscous and gravity forces
C.Gravity and pressure forces
D.Surface tension and gravity forces