STUDY LESSON:-44 [CIVIL ENGINEERING]
For Competitive exams/Govt. jobs/Semester exam/Self Study Purpose
1. What is the dimension of Kinematic viscosity
a) L/T² b) L/MT² c) L²/T d) ML/T
2. What will be the acceleration of fluid particle in steady one dimensional flow
a) u(∂u/∂x) b) 0 c) u²/2g d) u²/x
3. The frictional factor of laminar flow in a circular pipe will be proportional to
a) 1/Re b) Re c) Re² d) none of these
4. The flow separation will occur when the pressure gradient will be ___________
5. It has been observed that in a open channel uniform flow there is a balance between
a) gravity and inertial forces b) gravity and frictional forces c) inertial and viscous forces d) none of these
6. Decrease in a specific energy is associated with ____________ in depth of flow.
a) Increase b) remain same c) Decrease d) decrease simultaneously.
a) Increase b) remain same c) Decrease d) decrease simultaneously.
8. Reciprocating pumps are basically used for
a) Low discharge and low head b) High discharge and low head c) High discharge and high head d) Low discharge and high head
9. A path traveled by any individual fluid particle for a certain time period is called ________
10. _____________ formed by group of streamline.
Answers:-
1. c) L²/T
2. a) u(∂u/∂x)
3. a) 1/Re
4. Positive
5. a) gravity and inertial forces
6. c) Decrease
7. a) Increase
8. d) Low discharge and high head
9. Path line.
10. stream tube
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