Civil Engineering Mcqs

A. principle of conservation of mass holds
B. velocity and pressure are inversely proportional
C. total energy is constant throughout
D. the energy is constant along a stream-line but may vary across streamlines
E. none of the above

Submitted by: Engr. Abdul Hafeez

A. supersonics, as with projectiles and jet propulsion
B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
C. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls
D. all of fhe above
E. none of the above

Submitted by: Engr. Abdul Hafeez

D. keeps on increasing
B. keeps on decreasing
C. remains constant
D. may increase/decrease
E. unpredictable

Submitted by: Engr. Abdul Hafeez

A. friction loss and flow
B. length and diameter
C. flow and length
D. friction factor and diameter
E. velocity and diameter

Submitted by: Engr. Abdul Hafeez

A. maximum
B. minimum
C. zero
D. non-zero finite
E. unpredictable

Submitted by: Engr. Abdul Hafeez

A. Local atmospheric pressure depends upon elevation of locality only
B. Standard atmospheric pressure is the mean local atmospheric pressure a* sea level
C. Local atmospheric pressure is always below standard atmospheric pressure
D. A barometer reads the difference be-tween local and standard atmospheric pressure
E. Gauge piessure is equal to atmospheric pressure plus instrument reading

Submitted by: Engr. Abdul Hafeez

A. The center of buoyancy is located at the center of gravity of the displaced liquid
B. For stability of a submerged body, the center of gravity of body must lie directly below the center of buoyancy
C. If e.g. and center of buoyancy coincide, the submerged body must lie at neutral equilibrium for all positions
D. For stability of floating cylinders or spheres, the e.g. of body must lie below the center of buoyancy
E. All floating bodies are stable

Submitted by: Engr. Abdul Hafeez

A. fluids are capable of flowing
B. fluids conform to the shape of the con-taining vessels
C. when in equilibrium, fluids cannot sustain tangential forces
D. when in equilibrium, fluids can sustain shear forces
E. fluids have some degree of compressibility and offer little resistance to form

Submitted by: Engr. Abdul Hafeez

A. Viscosity of a fluid is that property which determines the amount of its resistance to a shearing force
B. Viscosity is due primarily to interaction between fluid molecules
C. Viscosity of liquids decreases with in-crease in temperature
D. Viscosity of liquids is appreciably affected by change in pressure
E. Viscosity is expressed as poise, stoke, or saybolt seconds

Submitted by: Engr. Abdul Hafeez