Civil Engineering MCQs

2965 MCQs  (Page 250 of 297)

Metacentric height is the distance between the metacentre and___________________?
A. Water surface
B. Center of pressure
C. Center of gravity
D. Center of buoyancy
The center of pressure of a surface subjected to fluid pressure is the point____________________?
A. On the surface at which resultant pres-sure acts
B. On the surface at which gravitational force acis
C. At which all hydraulic forces meet
D. Similar to metacentre
Centre of pressure compared to e.g. is______________?
A. Above it
B. Below it
C. At same point
D. Above or below depending on area of body
Center of buoyancy is the___________________?
A. Centroid of the displaced volume of fluid
B. Center of pressure of displaced volume
C. E.g. of floating ‘body
D. Does not exist
Euler’s dimensionless number relates the following_______________?
A. Inertial force and gravity
B. Viscous force and inertial force
C. Viscous force and buoyancy force
D. Pressure force and inertial force
Which of the following manometer has highest sensitivity __________________?
A. U-tube with water
B. Inclined u-tube
C. U-tube with mercury
D. Micro-manometer with water
Working principle of dead weight pressure gauge tester is based on __________________?
A. Pascal’s law
B. Dalton’s law of partial pressure
C. Newton’s law of viscosity .
D. Avogadro’s hypothesis