If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be________________?
(A) h
(B) wh
(C) w/h
(D) h/w
(D) h/wh
Kinematic viscosity is dependent upon__________________?
(A) pressure
(B) distance
(C) level
(D) flow
(D) density
Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be___________________?
(A) pco2/?2
(B) pco2/?2/2
(C) 2pa2R2
(D) pa2R/2
(D) none of the above
The rise or depression of liquid in a tube due to surface tensionwim increase in size of tube will________________?
(A) increase
(B) remain unaffected
(C) may increase or decrease depending on the characteristics of liquid
(D) decrease
(D) unpredictable
The units of dynamic or absolute viscosity are__________________?
(A) metres2 per sec
(B) kg sec/meter
(C) newton-sec per meter
(D) newton-sec2 per meter
(D) none of the above
The property by virtue of which a liquid opposes relative motion between its different layers is called_________________?
(A) surface tension
(B) co-efficient of viscosity
(C) viscosity
(D) osmosis
(D) cohesion
To avoid an interruption in the flow of a syphon, an air vessel is provided__________________?
(A) at the inlet
(B) at the outlet
(C) at the summit
(D) ay nay point between inlet and outlet
(D) none of the above
If the surface of liquid is convex, men ___________________?
(A) cohesion pressure is negligible
(B) cohesion pressure is decreased
(C) cohesion pressure is increased
(D) there is no cohesion pressure
(D) none of the above
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately____________________?
(A) 1 mm
(B) 5 mm
(C) 10 mm
(D) 20 mm
(D) 30 mm
Rain drops are spherical because of__________________?
(A) viscosity
(B) air resistance
(C) surface tension forces
(D) atmospheric pressure
(D) none of the above