Civil Engineering MCQs

2965 MCQs  (Page 257 of 297)

The bulk modulus of elasticity with increase in pressure___________________?
A. Increases
B. Decreases
C. Remains constant
D. Increases first upto certain limit and then decreases
A balloon lifting in air follows the following principle_________________?
A. Law of gravitation
B. Archimedes principle
C. Principle of buoyancy
D. All of the above
In a static fluid__________________?
A. Resistance to shear stress is small
B. Fluid pressure is zero
C. Linear deformation is small
D. Only normal stresses can exist
A perfect gas_________________?
A. has constant viscosity
B. has zero viscosity
C. is incompressible
D. is of theoretical interest
Which of the following is dimensionless ________________?
A. Specific weight
B. Specific volume
C. Specific speed
D. Specific gravity
A fluid in equilibrium can’t sustain_________________?
A. Tensile stress
B. Compressive stress
C. Shear stress
D. Bending stress