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Civil Engineering Mcqs

Free 3079+ Civil Engineering Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Practise below with answers and explanations.

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3079 questions in this list. Select an option to practice, or open a question for the full page with explanation.

Civil Engineering Mcqs — MCQs for Pakistan government job tests

About this subject

Civil Engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Multiple choice questions here are on topics such as Building Construction, Materials for Construction, Basic Surveying, Highway Engineering, Dams, Airport Engineering, Structural Analysis etc.

Topics in this section

Subcategories with published MCQs under Civil Engineering Mcqs.

Building Materials and Construction
Surveying Mcqs
Highway Engineering
Design of Concrete Structures
Structural Design Specifications
Soil Mechanics and Foundation Engineering
Estimating and Costing
RCC Structures Design
Applied Mechanics and Graphic Statics
Strength of Materials
Construction Planning and Management
Engineering Economy
Design of Masonry Structures
Tunnel Engineering
Fluid Mechanics
Environmental Engineering
Structural Analysis
Theory of Structures
Railway Engineering
Design of Steel Structures
Elements of Remote Sensing
Waste Water Engineering
Water Supply Engineering
Irrigation, Water Resources Engineering and Hydrology
Dock and Harbor Engineering
Airport Engineering

Show Answers

Correct options are highlighted when revealed.

1.In a third-class lever, how are the positions of the load (W), effort (P), and fulcrum (F) arranged?

The load (W) is positioned between the effort (P) and the fulcrum (F)The fulcrum (F) lies between the load (W) and the effort (P)The effort (P) is located between the load (W) and the fulcrum (F)The load (W), effort (P), and fulcrum (F) are all situated on the same sideNone of the above arrangements are correct

2.What is the minimum required width for fire escape stairways?

1.00 meter1.25 meters1.50 meters2.00 meters

3.Identify the incorrect statement regarding viscosity:

Viscosity defines a fluid's resistance to deformation under shear stress.Molecular interactions within the fluid are mainly responsible for viscosity.As temperature rises, the viscosity of liquids generally decreases.Pressure changes significantly influence the viscosity of liquids.Viscosity is measured using units such as poise, stokes, or Saybolt seconds.

4.Identify the incorrect statement about fluids:

Fluids have the ability to flow.Fluids take the shape of their containers.Fluids at rest cannot support tangential stresses.Fluids at rest are able to resist shear stresses.Fluids are somewhat compressible and offer minimal resistance to shape changes.

5.Identify the incorrect statement from the following:

Any object, whether floating or submerged in a fluid, experiences an upward buoyant force.The buoyant force acting on an object equals the weight of the fluid it displaces.The buoyant force acts through a point known as the center of buoyancy.The center of buoyancy is positioned above the center of gravity of the displaced fluid.The relative density of liquids can be measured using the flotation depth of a hydrometer.

6.Identify the incorrect statement from the following options:

The buoyancy center is positioned at the centroid of the displaced fluid.For a submerged object to remain stable, its center of gravity must be directly beneath the center of buoyancy.When the center of gravity and center of buoyancy coincide, the submerged object achieves neutral equilibrium in every orientation.To ensure stability in floating cylinders or spheres, the object's center of gravity should be below the center of buoyancy.Every floating object is inherently stable.

7.Which of the following statements is accurate?

Local atmospheric pressure is influenced solely by the altitude of the area.Standard atmospheric pressure represents the average local atmospheric pressure measured at sea level.Local atmospheric pressure is consistently lower than the standard atmospheric pressure.A barometer measures the difference between the local and standard atmospheric pressures.Gauge pressure equals atmospheric pressure added to the instrument's reading.

8.What is the velocity of fluid flow at all points inside a forced vortex?

At its highest valueAt its lowest valueEqual to zeroA finite value greater than zeroCannot be determined

9.Under what conditions can two piping systems be considered equivalent?

When both the friction loss and flow rate are identicalWhen the pipes have the same length and diameterWhen the flow rate and pipe length matchWhen the friction factor and pipe diameter are equalWhen the velocity and diameter of the pipes are the same

10.What is the value of shear stress at the pipe's centerline where the velocity gradient is zero in pressurized flow?

The lowest possible valueThe highest possible valueExactly zeroA negative quantityIt can vary and take any value

11.In pipe flow, laminar conditions are observed when the Reynolds number is:

below 2000ranging from 2000 to 4000exceeding 4000under 4000none of these

12.Which fluid forces are accounted for in the Navier-Stokes equations?

gravity, pressure, and viscous forcesgravity, pressure, and turbulent forcespressure, viscous, and turbulent forcesgravity, viscous, and turbulent forcesnone of these

13.What is the dimension of every energy term in Bernoulli's equation?

EnergyWorkMassLengthTime

14.When does a flow qualify as two-dimensional?

When the velocity's speed and direction are uniform at every locationWhen fluid particles at a given point maintain the same velocity over timeWhen velocity magnitude and direction remain constant throughout the fluidWhen fluid particles move within a plane or parallel planes, and streamline patterns repeat identically in each planeWhen variables like velocity, pressure, and depth vary from one point to another in the flow

15.In the context of fluid dynamics, at what Mach number does flow qualify as hypersonic?

Exactly equal to 1Exceeding 1Above 2Surpassing 4Greater than 10

16.In open channel hydraulics, the normal depth refers to the flow depth associated with which type of flow condition?

Constant flow rateVariable flowSmooth, orderly flowSteady and consistent flowFlow at critical velocity

17.What physical quantity is measured using a Pitot tube?

PressureFlow rateVelocityDischargeViscosity

18.In a steady flow of an ideal incompressible fluid, how does the total energy of a particle change at different points along the flow?

It continuously risesIt continuously fallsIt stays the sameIt can either increase or decreaseIt cannot be predicted

19.In which of the following areas is the Mach number particularly important?

Supersonic flows, such as those involving projectiles and jet enginesFlows fully enclosed or submerged, like those in pipes, aircraft wings, and nozzlesMovement through two fluids with a discontinuity surface, influenced by gravity and wave formation, as seen with ship hullsAll of the aboveNone of the above

20.What does Bernoulli’s equation state about energy in the flow of an ideal, steady fluid?

Mass is conserved during the flowPressure decreases as velocity increasesThe total energy remains the same everywhere in the flowEnergy stays constant along a single streamline but can differ between streamlinesNone of the listed statements are correct

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Airport Engineering
Applied Mechanics and Graphic Statics
Building Materials and Construction
Construction Planning and Management
Design of Concrete Structures
Design of Masonry Structures
Design of Steel Structures
Dock and Harbor Engineering
Elements of Remote Sensing
Engineering Economy
Environmental Engineering
Estimating and Costing
Fluid Mechanics
Highway Engineering
Hydraulics and Fluid Mechanics
Irrigation, Water Resources Engineering and Hydrology
RCC Structures Design
Railway Engineering
Soil Mechanics and Foundation Engineering
Strength of Materials
Structural Analysis
Structural Design Specifications
Surveying
Theory of Structures
Tunnel Engineering
Waste Water Engineering
Water Supply Engineering