2. If the density of a fluid is sensitive to changes in pressure, the fluid is:
3. Weight density (?) =
4. Kinematic viscosity is given as:
5. 1 Centipoise is equal to:
6. The value of standard atmospheric pressure is
7. Pressure head of liquid is given by
8. The value of the pressure at 10 m depth in a tank filled with water is
9. Which of the following law indicates that the intensity of pressure at any point in a liquid at rest is same in all direction?
10.
Which of the following answer is true for the two statements given below?
Statement I: Pressure in a liquid is not a function of shape of container.
Statement II: Pressure in a liquid is a function of size of container.
11. The ratio of change in pressure to volumetric strain is:
12. The fluids which undergoes a change in volume or density when pressure is applied
13. Surface tension is due to:
14. Example of a non-wetting liquid
15. Capillary rise or depression is due to
16. Piezometer is an example of
17. Most widely used manometer fluid is
18. Manometers are used to measure
19.
Moving downward from a point in a manometer, all the pressure heads will be:
20. Micro-manometer is also known as:
21. The cross-sectional area of tank in manometer is times the other limb
22. The manometer liquid in a micro-manometer is stored in the:
23. Pressure equations in the left and right limbs of a manometer are equated using:
24.
Which of the following answer is true for the two statements given below?
Statement I: Micro-manometer are not suitable for measuring high liquid pressures.
Statement II:Micro-manometer is compact in size compared to u-tube
25. The manometer used to measure pressure difference at two points is:
26. Manometer liquid used in inverted manometer is:
27. If liquid pressure in two pipes are hA and hB respectively, then pressure head difference is given by:
28. Density of mercury is:
29. Manometer liquid used in U-tube upright differential manometer
30. Mercury barometer is used to measure
31. Aneroid barometer is used to measure
32. Bourdon pressure gauge consist of:
33. Device to convert one form of signal into another form is called:
34. Bourdon gauge can be used to measure:
35. Upward thrust exerted by a submerged body in liquid is known as:
36. Point at which buoyant force acts:
37. Buoyant force acting on the body immersed in fluid is equal to the weight of fluid displaced by the body is called:
38. Archimedes Principle states that the buoyant force acting on the body immersed in fluid is equal to the ________ of fluid displaced by the body:
39. Centre of Buoyancy is
40. When a body is tilled slightly and then it returns back to its original position, it is known as:
41. This point about which the body starts oscillating is called the
42. Metacentric height is the distance between:
43. If position of metacentre (M) remains lower than centre of gravity of body, it is said to be:
44. If the position of metacentre (M) coincides with centre of gravity of body, it is said to be a:
45. If Reynold’s Number is < 2100 flow is
46. If fluid parameters such as velocity, density, pressure, acceleration etc. at a point do not change with time, it is known as:
47. The velocity at a given instant of time is same in both magnitude and direction at all points in the flow. The flow is called:
48. If fluid particles move in laminar or layers which smoothly moves over the adjacent layer, it is known as:
49. For 2100 < Re < 4000, the flow is known as:
50. Continuity equation
51. Discharge is also known as:
52. Discharge is given by equation:
53. Total discharge through branching pipes is given as:
54.
Which of the following answer is true for the two statements given below?
Statement I: Mass flow rate into system = Mass flow rate out of system
Statement II: Continuity equation is not valid for varying diameter pipes
55. Bernoulli’s Theorem is based on the principle of:
56. Pressure energy is given by the relation:
57. Kinetic energy head is given by:
58. Bernoulli’s Theorem states that the sum of pressure energy, kinetic energy and potential energy is:
59. Hydraulic grade line is sum of:
60. Stagnation tube along with can be used to measure velocity
61. Pitot tube is used to measure
62. TEL is:
63. HGL is
64. Pressure drop due to pipe fittings, entrance and exit of pipe, sudden contraction or expansion etc. is called:
65. Loss in the pressure is due to the friction offered by the rough internal surface of a pipe is called:
66. Chezy’s formula is used to calculate
67.
Which of the following answer is true for the two statements given below?
Statement I: Darcy’s Law is applied for open conduit
Statement II: Chezy’s formula is used for closed pipes
68. KC is
69. KL is
70.
Which of the following answer is true for the two statements given below?
Statement I. There is no head loss at the exit of pipe
Statement II. There is minor head loss at entrance of pipe
71. Discharge through a pipe line is 0.05 m3/s, the diameter of pipe is 10 cm. Find the flow velocity
72. If flow velocity is 2.5 m/s through a pipe of 5 cm diameter, determine the flow rate
73. Calculate frictional head loss in 5 m pipe of 10 cm diameter when water flows at 5 m/s. Take loss coefficient as 0.005
74. Calculate the head loss at the entrance in a pipe having flow velocity 1.5 m/s
75. Total head loss is given by:
76. Total discharge for pipes connected in series is given by:
77. Total discharge for pipes connected in parallel is given by:
78. Head loss in pipes connected in series is given by:
79. Head loss in pipes connected in parallel is given by:
80.
Which of the following answer is true for the two statements given below?
Statement I: Dupit equation is used to determine equivalent diameter
Statement II: Dupit equation is used to determine equivalent length
81. Minimum cross-section of jet is known as:
82. Opening in the side or bottom of a vessel/tank to measure the discharge is known as:
83. Flow velocity at vena contacta is determined by applying:
84.
Which of the following answer is true for the two statements given below?
Statement I: Coefficient of discharge Cd is the ratio of actual to theoretical discharge
Statement II: Coefficient of contraction Cc is the ratio of actual area of vena contracta to area of orifice
85. Coefficient of discharge of orifice is equal to:
86. In case of a circular horizontal tank half-full at the beginning and being emptied, the conditions are:
87.
Which of the following answer is true for the two statements given below?
Statement I: Discharge loss depends upon the surface finish of the orifice.
Statement II: Discharge loss is due to formation of vena contracta.
88. The sheet of water flowing through a notch or over a weir is known as:
89. The bottom edge of the notch or the top of a weir over which water flows is known as:
90. Notch and weir are used to measure:
91. An opening provided in a reservoir or channel such that the liquid surface is below the top edge of opening is called:
92.
Which of the following answer is true for the two statements given below?
Statement I: Notches are used for small flow rates.
Statement II: Weirs are used for large flow rates.
93. Venturimeter is used to measure
94. In case of venturimeter, entrance section is a straight cylinder having length times the diameter of the pipe
95. Throat diameter of venturimeter is times inlet diameter
96. Pitot tube is used to measure
97.
Which of the following answer is true for the two statements given below?
Statement I: Coefficient of discharge is constant and does not depend on pipe geometry.
Statement II: Venturimeters are expensive in installation.
98. Rotameter is used to measure
99. Float type gauge indicates:
100. Hook gauge indicates
101.
Which of the following answer is true for the two statements given below?
Statement I: The rotameter's operation is based on the variable viscosity principle.
Statement II: Plastic tubes are also used in some rotameter designs due to their lower cost and high impact strength
102. In MaLbTc form, the dimensionless numbers have the values of a, b, c as:
103.
Which of the following answer is true for the two statements given below?
Statement I: Reynold’s number Re is ratio of inertia forces to viscous forces.
Statement II: Weber’s number W is square root ratio of the inertia force to the force of surface tension.
104. A scaled down design of any structure or equipment is known as:
105. Indication of a known relationship between a model and prototype is known as:
106. Model experiments can be applied to the prototype when they are ---------- similar:
107. If the corresponding dimensions of an object are in same ratio in all the three coordinates, the object is said to be ----------- similar to the model
108.
Which of the following answer is true for the two statements given below?
Statement I: The cost of model studies has usually about 75% of the cost of the project.
Statement II: For compressible flows, the Reynold’s number for model and prototype remains same.
109. Centrifugal pump is a type of:
110. Piston pump is a type of:
111. Screw pump is a type of:
112. Pumps that use pressure and flow in combination with a rotary mechanism to transfer fluid are called __________.
113. The pump used for handling of milk in dairy plant is:
114. Piston pump is suitable for
115. Major element of diaphragm pump is
116. The mechanical efficiency of a piston or plunger pump ranges between
117. Triplex single acting reciprocating is used in:
118.
Which of the following answer is true for the two statements given below?
Statement I: A pressure relief valve and a discharge check valve are normally required for reciprocating pumps.
Statement II: Diaphragm pumps are self priming
119. Rotating element in a centrifugal pump is known as
120. The fluid enters at the axis or of the impeller
121. Capacity of a pump is expressed as:
122. The theoretical limit for suction lift of a pump is:
123. 1 horse power =
124.
The point at which the resultant pressure acts on the immersed surface is known as
125.
When the fluid is in static condition, velocity gradient will be
126.
Location of centre of pressure for rectangular surface is
127.
Total pressure force is equal to
128.
Which of the following answer is true for the two statements given below?
Statement I: Pressure on the immersed surface increases with depth.
Statement II: Pressure is minimum at the top and maximum at the bottom of immersed surface.
129.
Dimension of specific weight (?)
130.
Dimension of pressure (p)
131.
If there are ‘n’ variables in a dimensionally homogeneous equation and if these variables contain ‘m’ fundamental (primary) dimensions then the variables can be grouped into:
132.
Which of the following answer is true for the two statements given below?
Statement I: An equation will be dimensionally homogeneous if the dimensions on the two sides of the equation are not identical.
Statement II: Rayleigh’s method is useful upto 10 variables