A. resultant force acting on a floating body
B. equal to the volume of liquid displaced
C. force necessary to keep a body in equilibrium
D. the resultant force on a body due to the fluid surrounding it
E. none of the above
Related Mcqs:
- The horizontal component of buoyant force is__________________?
A. negligible
B. same as buoyant force
C. zero
D. non of these - The line of action of the buoyant force acts through the centroid of the ___________________?
A. submerged body
B. volume of the floating body
C. volume of the fluid vertically above the body
D. displaced volume of the fluid
E. none of the above - Ratio of inertia force to elastic force is known as _____________________?
A. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above - Ratio of inertia force to elastic force is known as__________________?
A. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above - For hypersonic flow, the Mach number is___________________?
A. unity
B. greater than unity
C. greater than 2
D. greater than 4
E. greater than 10 - An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is___________________?
A. 10m/sec2
B. 9.81 m/sec2
C. 10.2/m sec
D. 9.75 m/sec2
E. 9 m/sec . - During the opening of a valve in a pipe line, the flow is___________________?
A. steady
B. unsteady
C. uniform
D. laminar
E. free vortex type - If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is___________________?
A. 1045 mm
B. 1065 mm
C. 1075 mm
D. 1095 mm - The self-cleansing velocity of water flowing through pipe lines, is___________________ ?
A. 2 metres/sec
B. 1 metre/sec
C. 0.5 metre/sec
D. 0.25 metre/sec - Center 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
E. none of the above
