The time oscillation of a floating body with increase in metacentric height will be________________?
(A) same
(B) higher
(C) lower
(D) lower/higher depending on weight of body
(D) unpredictable
In an immersed body, center of pressure is ____________________?
(A) at the center of gravity
(B) above the center of gravity
(C) below be center of gravity
(D) could be above or below e.g. depending on density of body and liquid
(D) unpredictable
The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be ___________________?
(A) 2 meters of water column
(B) 3 meters of water column
(C) 3.5 meters of water column
(D) 4 m of water column
(D) none of the above
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
(D) none of the above
Differential monometer is used to measure _______________________?
(A) pressure in pipes, channels etc.
(B) atmospheric pressure
(C) very low pressure
(D) difference of pressure between two points
(D) velocity in pipes
Resultant pressure of the liquid in the case of an immersed body acts through _________________?
(A) center of gravity
(B) center of pressure
(C) metacentre
(D) center of buoyancy
(D) in between e.g. and center of pressure
The two important forces for a floating body are___________________?
(A) buoyancy, gravity
(B) buoyancy, pressure
(C) buoyancy, inertial
(D) inertial, gravity
(D) gravity, pressure
Center of pressure on an inclined plane is______________________?
(A) at the centroid
(B) above the centroid
(C) below the centroid
(D) at metacentre
(D) at center of pressure
Uniform flow occurs when____________________?
(A) the flow is steady
(B) the flow is streamline
(C) size and shape of the cross section in a particular length remain constant
(D) size and cross section change uniform¬ly along length
(D) flow occurs at constant fate
For measuring flow by a venturimeter, if should be installed in__________________?
(A) vertical line
(B) horizontal line
(C) inclined line with flow downward
(D) inclined line with upward flow
(D) in any direction and in any location