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Fluid mechanics hydraulic engineering
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q21 ⇒ In a tank or channel, notch is provided
measure Discharge [other wrong options] [Discuss in forum] |
| Q22 ⇒ A boat with scrap iron is floating in a lake. If
the scrap iron is thrown in the lake the water
level will Go down [other wrong options] [Discuss in forum] |
| Q23 ⇒ The discharge of a liquid of kinematic viscosity 4 cm2/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is. laminar flow [other wrong options] [Discuss in forum] |
| Q24 ⇒ The thickness of boundary layer at the leading,
(entrance) edge will be Zero [other wrong options] [Discuss in forum] |
| Q25 ⇒ The specific gravity of water at standard
temperature (4°C) equals to 1.000 [other wrong options] [Discuss in forum] |
| Q26 ⇒ Select the correct statement. The absolute roughness increases with time. [other wrong options] [Discuss in forum] |
| Q27 ⇒ The unit of kinematic viscosity is. cm2/sec [other wrong options] [Discuss in forum] |
| Q28 ⇒ The bodies which have definite separation
points fixed by their shapes are known as Stream lined bodies [other wrong options] [Discuss in forum] |
| Q29 ⇒ Pressure measured with the help of piezometer
tube is Gauge pressure [other wrong options] [Discuss in forum] |
| Q30 ⇒ The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is. e > d > m [other wrong options] [Discuss in forum] |
| Q31 ⇒ If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will. tend to move downward and it may finally sink [other wrong options] [Discuss in forum] |
| Q32 ⇒ Specific speed of Francis turbine varies in
between 60 to 400 [other wrong options] [Discuss in forum] |
| Q33 ⇒ Pitot tube is a device used in the flowing fluid
for measuring Velocity [other wrong options] [Discuss in forum] |
| Q34 ⇒ If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is. 9/4 [other wrong options] [Discuss in forum] |
| Q35 ⇒ The valve provided in a suction pipe is
called Foot valve [other wrong options] [Discuss in forum] |
| Q36 ⇒ The difference between the theoretical and
actual velocities of the jet at vena contracta is
mainly due to Friction [other wrong options] [Discuss in forum] |
| Q37 ⇒ Hot wire anemometer is used to measure. velocity of gas [other wrong options] [Discuss in forum] |
| Q38 ⇒ For a flow to be turbulent in an open channel
Reynold's number should not be less than 2000 [other wrong options] [Discuss in forum] |
| Q39 ⇒ The pressure at the summit of a syphon is. less than atmospheric [other wrong options] [Discuss in forum] |
| Q40 ⇒ The horizontal to vertical side slope in case of
cippoletti weir ? 1 : 4 [other wrong options] [Discuss in forum] |
| Or |