If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will________________?
(A) rise until its weight equals the buoyant force
(B) tend to move downward and it may finally sink
(C) float
(D) none of the above
The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as__________________?
(A) center of gravity
(B) center of buoyancy
(C) center of pressure
(D) metacentre
When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies________________?
(A) linearly with radial distance
(B) as the square of the radial distance
(C) inversely as the square of the radial distance
(D) inversely as the radial distance
The polluted water is one which_______________?
(A) contains pathogenic bacteria
(B) consists of undesirable substances rendering it unfit for drinking and domestic use
(C) is safe and suitable for drinking and domestic use
(D) is contaminated
As compared to shallow-wells, deep wells have______________?
(A) more depth
(B) less depth
(C) more discharge
(D) less discharge
The type of valve, which is provided on the suction pipe in a tube-well, is____________?
(A) air relief valve
(B) reflux valve
(C) pressure relief valve
(D) sluice valve
The depression of water table in a well due to pumping will be maximum_______________?
(A) at a distance R from the well
(B) close to the well
(C) at a distance R/2 from the well
(D) none of the above where R is the radius of influence
The distribution mains are designed for________________?
(A) maximum daily demand
(B) maximum hourly demand
(C) average daily demand
(D) maximum hourly demand on maxi¬mum day
The unit of kinematic viscosity is_______________?
(A) gm/cm-sec2
(B) dyne-sec/cm2
(C) gm/cm2-sec
(D) cm2/sec