1. hydraulics is the branch of mechanical engineering in which we are study the behavior of the the…………..in motion or in rest.
(a) water
(b) solids
(c) gas
(d) all of above
2. Dynamic viscosity is directly proportional to……..
(a) distance between two layers
(b) velocity of fluids
(c) volume of fluids
(d) pressure of fluid
3. Following fluid having no viscosity.
(a) real fluid
(b)ideal fluid
(c) Newtonian fluid
(d) non of above
4. POISE is a unit of ………….
(a) kinematic viscosity
(b) shear stress
(c) dynamic viscosity
(d) velocity
5. 1 STOKE=……….. Centistock
(a) 10^2
(b) 10^3
(c) 10^3
(d) 10^2
6. Surface tension is express in………….
(a) force per unit length
(b) force per unit second
(c) length per second
(d) newton
7.Adhesion is the force act between two …….. Particles.
(a) different
(b) same
(c) both
(d) non of above
8. M-1 L3 T0 is a dimension of …………
(a) density
(b) surface tension
(c) specific volume
(d) viscosity
9. Kinematic viscosity is a ratio of…………..
(a) density to specific volume
(b) viscous force to volume
(c) dynamic viscosity to density
(d) shear force to specific volume
10. 1 Kgf =……N
(a) 9.81
(b) 8.17
(c) 7.98
(d) 84.9
