Junior Engineer • 2025 • Paper-IV (Technical Subject)
Which is a disadvantage of steel tanks over RCC tanks?
A)
Easy fabrication
B)
Prone to corrosion
C)
High ductility
D)
Light weight
Option B is correct: Prone to corrosion.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
The maximum allowable turbidity in drinking water is (as per BIS):
A)
10 NTU
B)
5 NTU
C)
1 NTU
D)
50 NTU
Option C is correct: 1 NTU.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Salvage value means:
A)
Sale value before use
B)
Expected resale value after useful life
C)
Net profit
D)
Depreciation amount
Option B is correct: Expected resale value after useful life.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Which pavement defect is most likely caused by repeated heavy loading?
A)
Bleeding
B)
Rutting
C)
Stripping
D)
Cracking
Option B is correct: Rutting.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
The term ‘hardness’ in water refers to presence of:
A)
Suspended solids
B)
Calcium and magnesium salts
C)
Iron
D)
Algae
Option B is correct: Calcium and magnesium salts.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Which of these represents depreciation due to functional inadequacy?
A)
Wear and tear
B)
Obsolescence
C)
Moisture loss
D)
Natural disaster
Option B is correct: Obsolescence.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Which structure needs cost estimation of both excavation and lining?
A)
Overhead tank
B)
Boundary wall
C)
Tube well
D)
Steel truss
Option C is correct: Tube well.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Running account bill is prepared:
A)
Once after completion
B)
Only for material
C)
At sanction stage
D)
Periodically based on work done
Option D is correct: Periodically based on work done.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Which formula gives more accurate area under irregular curves?
A)
Mid-section formula
B)
Trapezoidal formula
C)
Simpson’s rule
D)
Centre line method
Option C is correct: Simpson’s rule.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Depreciation is least in which type of structure?
A)
Timber frame
B)
Brick building
C)
RCC structure
D)
Asbestos roof
Option C is correct: RCC structure.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Theodolite is primarily used to measure:
A)
Horizontal and vertical angles
B)
Vertical distance
C)
Height difference
D)
Compass bearing
Option A is correct: Horizontal and vertical angles.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
The sinking fund is created for:
A)
Construction cost
B)
Labor charges
C)
Running cost
D)
Future replacement of a structure
Option D is correct: Future replacement of a structure.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Which document forms the basis for inviting tenders?
A)
Rate analysis sheet
B)
Bill of Quantities (BOQ)
C)
Measurement Book
D)
Valuation report
Option B is correct: Bill of Quantities (BOQ).
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Traffic volume count is generally conducted for:
A)
20 minutes
B)
4 hours
C)
24 hours
D)
7 days
Option C is correct: 24 hours.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Which type of joint is NOT commonly used in steel structures?
A)
Welded joint
B)
Mortar joint
C)
Bolted joint
D)
Riveted joint
Option B is correct: Mortar joint.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
The unit of moment of inertia in steel design is:
A)
N/m
B)
KN
C)
kg/m²
D)
mm⁴ or m⁴
Option D is correct: mm⁴ or m⁴.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
An estimate for a public building was underquoted by 15%. During execution, rates increased sharply. What action is most appropriate?
A)
Revise the estimate with current cost index and seek approval
B)
Issue a new tender
C)
Cancel the project
D)
Request contractor to continue at old rates
Option A is correct: Revise the estimate with current cost index and seek approval.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Which equipment is used to test aggregate abrasion value?
A)
Impact testing machine
B)
Los Angeles abrasion machine
C)
Ductility machine
D)
CBR testing device
Option B is correct: Los Angeles abrasion machine.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
In analysis of rates, contractor’s profit is usually considered as:
A)
2%
B)
25%
C)
10 to 15%
D)
5%
Option C is correct: 10 to 15%.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
In steel design, the term ‘buckling’ refers to:
A)
Twisting of beams
B)
Sudden lateral deflection due to axial compression
C)
Shear stress
D)
Load distribution
Option B is correct: Sudden lateral deflection due to axial compression.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
The purpose of providing camber in road pavement is to:
A)
Reduce noise
B)
Control traffic flow
C)
Increase surface friction
D)
Facilitate drainage
Option D is correct: Facilitate drainage.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Which of these is a direct cost component in rate analysis?
A)
Overheads
B)
Labour and materials
C)
Profit
D)
Contingency
Option B is correct: Labour and materials.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
A bill shows excess quantity of concrete used than estimated. What should be checked first?
A)
Total bar length
B)
Cement cost
C)
Site measurements and deviations approved
D)
Bill format
Option C is correct: Site measurements and deviations approved.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
If contractor’s quoted rates are abnormally low, what risk arises during execution?
A)
Substandard quality or work abandonment
B)
Fast completion
C)
Higher taxes
D)
Bonus claims
Option A is correct: Substandard quality or work abandonment.
Junior Engineer • 2025 • Paper-IV (Technical Subject)
Work order is issued after:
A)
Completion of work
B)
Bill is passed
C)
Execution of agreement
D)
Payment of earnest money
Option C is correct: Execution of agreement.