With the increase of confining pressure, what changes will occur in the mechanical properties of rocks?
A: Strength increase
B: Elasticity modulus increase
C: Brittleness reduce
D: Plasticity increase
A: Strength increase
B: Elasticity modulus increase
C: Brittleness reduce
D: Plasticity increase
举一反三
- An increase in the riskiness of corporate bonds will _____ the yield on corporate bonds and _____ the yield on Treasury securities.? reduce; reduce|increase; reduce|increase; not affect|increase; increase
- An increase in production without an increase in productivity will reduce unit costs. ( )
- What does Edward accept A: 15% salary increase and 14% bonus increase B: 15% salary increase and 5% bonus increase C: 17% salary increase and 14% bonus increase
- What are the factors that increase the pressure on the tube wall？ A: The properties of the fluid B: Vasodilatation of vessel C: Narrower pipes. D: Extra fluid
- A small piece of ferromagnetic media (the relative permeability is much greater than 1) is placed in a vacuum uniform magnetic field. Compared with the surrounding magnetic field, the magnetic strength in the media will ________, the magnetic field strength will __________. A: increase; increase B: increase; decrease C: decrease; decrease D: decrease; increase