Civil Engineering Objective Question - 04
1. At the time of opening of the tenders invited for public works by a public body,
(A) the contractor is not allowed to remain present(B) the contractor is invited to remain present
(C) the contractor may be or may not be invited
(D) the contractor do not like to remain present
Ans - B
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2. Kinematic viscosity has the dimension as
(A) MLT-2(B) ML-1T2
(C) ML-1T-1
(D) L2T-1
Ans - D Civil Engineering Objective Question - 01
3. The resultant hydrostatic force on a submerged body acts through a point known as
(A) Centre of pressure(B) Centre of gravity
(C) Centre of buoyancy
(D) Metacenter
Ans - A
4. In steady flow
(A) Velocity is constant along the flow direction with distance at any time(B) Velocity increases at constant rate at a point with time
(C) Velocity is constant at a point with time
(D) Rate of change of velocity remain constant along flow direction at any time
Ans - C
5. In a venturimeter installed in a horizontal pipe the pressure is maximum at
(A) Entry point of convergent section(B) Midpoint of convergent section
(C) Midpoint of divergent section
(D) Throat section
Ans - D
6. The velocity distribution in laminar flow through circular pipe follows
(A) Logarithmic profile(B) Linear profile
(C) Parabolic profile
(D) Constant velocity profile
Ans - C Civil Engineering Objective Question - 02
7. Froude’s number is the ratio of
(A) Inertia force to viscous force(B) Inertia force to gravity force
(C) Pressure force to inertia force
(D) Viscous force to inertia force
Ans - B
8. The model and prototype are dynamically similar if both the systems have
(A) Similarity of forces
(B) Similarity of motion
(C) Similarity of shape
(D) Similarity of discharge
Ans - A
9. Kinematics of fluid describes
(A) the fluid motion considering the forces causing the motion
(B) the fluid motion without consideration of the nature of forces causing the motion
(C) the fluid without motion
(D) the forces on floating body
Ans - B
10. In an long pipeline flowing fluids, which of the followings is causing minor loss?
(A) Pipe material
(B) Pipe slope
(C) Valves and Bends
(D) D-W Friction factor
Ans - C
11. A surge tank is provided in a hydroelectric power station to
(A) increase the net head across the turbine
(B) reduce water hammer problem in the head race tunnel
(C) reduce frictional losses in the system
(D) to provide access to flow system
Ans - B
12. The growth of the turbulent boundary layer thickness as compared to the laminar boundary layer takes place.
(A) at a slower rate
(B) at a faster rate
(C) at the same rate
(D) at unpredictable rate
Ans - B Civil Engineering Objective Question - 03
13. In open channel flow, critical flow occurs at constant discharge when
(A) specific energy is 1 m
(B) specific energy is minimum
(C) the bed gradient is 1%
(D) depth is minimum
Ans - B
14. In mild slope channel with uniform flow, the HGL
(A) coincides with the bed
(B) is above the free surface
(C) coincides with the free surface
(D) is below the free surface
Ans - C
15. For a hydraulically efficient rectangular open channel section, the width to depth ration is
(A) 0.5
(B) 1.0
(C) 1.33
(D) 2.0
Ans - D
16. Darcy Weisbach friction factor for head loss computation can be obtained from
(A) Moody’s diagram
(B) Strange curve
(C) specific energy diagram
(D) Blench’s curve
Ans - A
17. Two identical pumps operating in parallel
(A) boosts the discharge
(B) boosts the head
(C) boosts both the discharge and head
(D) delivers same discharge and head that of single pump
Ans - A Civil Engineering Objective Question - 06
18. In impulse turbine the total energy at inlet is
(A) pressure energy and kinetic energy
(B) pressure energy
(C) kinetic energy
(D) mechanical energy
Ans - C
19. To avoid cavitation in reaction turbine
(A) the minimum pressure in the passage of a flow should always be more than the vapour pressure of the water at the working temperature
(B) the velocity should be high
(C) the discharge should be constant
(D) the speed of turbine should be less that runaway speed
Ans - A
20. The underground power houses are found to be more economical than an equivalent surface power station due to
(A) low temperature
(B) low noise pollution
(C) less the amount of concrete is required compared to a surface power station
(D) better foundation condition
Ans - C
21. Which of the following hydrological process has storage as well as transportation aspects
(A) Precipitation
(B) Evaporation
(C) Runoff
(D) Groundwater
Ans - D
22. Hyetograph is a plot of
(A) Accumulated rainfall vs. time
(B) Rainfall intensity vs. time
(C) Runoff vs. time
(D) Infiltration intensity vs. time
Ans - B
23. To convert the point values of precipitation at various stations into mean precipitation over an area can be obtained using
(A) Rational method
(B) Geometrical progression method
(C) Isohyetal method
(D) Isometric mean method
Ans - C
24. In a dilution technique of stream flow measurement, which of the following chemicals is used?
(A) Common salt
(B) Alum
(C) Sodium hexa-meta phosphate
(D) Diluted HCL
25. The Muskingum method of flood routing is a
(A) hydraulic routing method
(B) form of reservoir routing method
(C) hydrologic channel routing method
(D) Complete numerical solution of St Venant equations
Ans - C
26. Hydrological draught is indicated by
(A) Precipitation less than 25% from normal value.
(B) Inadequate soil moisture during growing season
(C) Solar radiation above the mean value
(D) Surface water and ground water deficit
Ans - D
27. A permanent long term solution to drought problem may be found in the basic principles of
(A) Raising reservoir levels
(B) Transfer of water from surplus river basins to areas of deficit.
(C) Cloud seeding
(D) Extracting groundwater in large quantities.
Ans - B
28. The surface joining the static water levels in several wells penetrating a confined aquifer represents
(A) water table surface
(B) perched water table surface
(C) cone of depression
(D) piezometric surface
Ans - D Civil Engineering Objective Question - 08
29. The unit of coefficient of transmissibility is
(A) m2/s
(B) m/s
(C) unit less
(D) m/s2
Ans - A
30. Which of the following structures is constructed for artificial recharge of groundwater?
(B) Percolation Tank
(C) Infiltration Gallery
(D) Escape
Ans - B
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