50 Questions, 1 hour. done 22/07/2026 at 2pm
*Q50.* Choose the word closest in meaning to ‘mitigate’.
A) Increase
B) Reduce
C) Delay
D) Ignore
*Q49.* Which sentence is grammatically correct?
A) The data are accurate
B) The data is accurate
C) The data were accurates
D) The datas are accurate
*Q48.* Select the odd one out
A) Reservoir
B) Tank
C) Pipeline
D) Banana
*Q47.* A specification is to construction as prescription is to
A) Medicine
B) Survey
C) Concrete
D) Soil
*Q46.* The opposite of ‘permeable’ is:
A) Porous
B) Impervious
C) Saturated
D) Erodible
*Q45.* Choose the correct spelling:
A) Maintenance
B) Maintainance
C) Maintanance
D) Maintenence
*Q44.* Which word best completes: ‘The contractor was ___ for the delay’
A) responsible
B) responsibility
C) respond
D) response
*Q43.* Synonym of ‘feasible’:
A) Practical
B) Fragile
C) Costly
D) Delayed
*Q42.* Antonym of ‘abundant’:
A) Excessive
B) Scarce
C) Available
D) Adequate
*Q41.* Which term refers to water that does not generate revenue?
A) Potable water
B) Wastewater
C) Non-Revenue Water
D) Raw water
*Q40.* A pump delivers 25 m³/h for 8 hours. Volume pumped = ?
A) 200 m³
B) 1500 m³
C) 25 m³
D) 100 m³
*Q39.* 15% of UGX 80,000,000 = ?
A) 1,200,000
B) 60,000,000
C) 12,000
D) 12,000,000
*Q38.* A 200 mm pipe has radius (in m) of ?
A) 2m
B) 400 mm
C) 3.14m
D) 0.10 m
*Q37.* Convert 2.5 km to metres.
A) 25,000m
B) 10,000m
C) 2,500m
D) 25m
*Q36.* If NRW is reduced from 42% to 28%, by how many percentage points has it reduced?
A) 14%
B) 33.3%
C) 19.9%
D) 20%
*Q35.* A project budget increases from UGX 2.0 bn to UGX 2.3 bn. Percentage increase = ?
A) 15%
B) 10%
C) 20%
D) 1.5%
*Q34.* Flow = 12 L/s. Daily volume in m³/day = ?
A) 1000m³/day
B) 144m³/day
C) 8,640m³/day
D) 1,036.8 m³/day
*Q33.* Divide UGX 9,600,000 equally among 12 interns.
A) 900,000
B) 800,000
C) 960,000
D) 1,200,000
*Q32.* 3/4 of 120 = ?
A) 90
B) 120
C) 30
D) 80
*Q31.* If one cubic metre of water equals 1,000 litres, 85 m³ equals how many litres?
A) 1000 litres
B) 85,000 litres
C) 8,500 litres
D) 85 litres
*Q30.* 2, 4, 8, 16, ?
A) 24
B) 20
C) 32
D) 48
*Q29.* 81, 27, 9, 3, ?
A) 1
B) 0
C) -3
D) -27
*Q28.* If all dams are structures and some structures are concrete, which statement is definitely true?
A) All dams are structures
B) All dams are concrete
C) All structures are dams
D) All structures are concrete
*Q27.* Pipe is to water as cable is to?
A) electrons
B) wire
C) Electricity
D) liquids
*Q26.* 5, 11, 23, 47, ?
A) 63
B) 95
C) 77
D) 105
*Q25.* If A > B and B > C, then?
A) B > A
B) A > B
C) A = B
D) A > C
*Q24.* Which does not belong: Level, Theodolite, GPS, Cement
A) Level
B) Theodolite
C) Cement
D) GPS
*Q23.* If yesterday was Monday, what day is tomorrow?
A) Frida
B) Thursday
C) Wednesday
D) Tuesday
*Q22.* 1, 1, 2, 3, 5, 8, ?
A) 9
B) 12
C) 13
D) 15
*Q21.* What law relates flow, area and velocity?
A) Newton’s
B) Darcy
C) Continuity Equation
D) Friction loss
*Q20.* Unit weight of water is approximately
A) 1000kN/m3
B) 9.81 kN/m³
C) H2o
D) litres
*Q19.* The purpose of chlorination is:
A) Remove solids from water
B) correct PH
C) Disinfection
D) Remove colour
*Q18.* The instrument used to determine elevations is
A) GPS
B) Tape measure
C) Level
D) Elevameter
*Q17.* Standard slump test measures:
A) Soil particle size
B) Workability
C) Hardness
D) Slump
*Q16.* Soil with high clay content generally has:
A) Low permeability
B) High permeability
C) Big clay particles
D) Small grains
*Q15.* Hydraulic gradient is:
A) Head loss per unit length
B) fictional loss
C) Static head
D) Change in water velocity
*Q14.* The function of a thrust block is:
A) Allow small pipe movements
B) join two pipes at the bend
C) Guard pipe from being removed by thieves
D) Resist pipe movement
*Q13.* BOD stands for:
A) Biological Oxygen Demand
B) Biochemical Oxygen Demand
C) Biological Oxygen Dissolved
D) Biochemical Oxygen Dissolved
*Q12.* pH of neutral water at 25°C is:
A) 7.5
B) 7
C) 0
D) 14
*Q11.* A manhole is primarily used for:
A) A man to enter
B) carrying sewage
C) Inspection and maintenance
D) Releasing odour
*Q10.* The modulus of elasticity measures:
A) Roughness
B) Stiffness
C) elasticity
D) Tension
*Q9.* Sedimentation removes mainly:
A) Wastewater
B) Solid waste
C) Grit
D) Suspended solids
*Q8.* A contour line joins points of equal:
A) Elevation
B) contours
C) Heights
D) Valleys
*Q7.* Safe bearing capacity refers to:
A) Allowable soil pressure
B) Bearing capacity of the soil
C) Moisture Content
D) Density of the soil
*Q6.* Daily production = 10,000 m³; billed consumption = 6,500 m³. Calculate NRW (%).
A) 35%
B) 30%
C) 45%
D) 50%
*Q5.* A tank fills at 20 m³/h and empties at 5 m³/h. Net fill rate = ?
A) 20 m³/h
B) 25 m³/h
C) 10 m³/h
D) 15 m³/h
*Q4.* A contractor completes 45% of works in 3 months. At the same rate, how many months total?
A) 6 months
B) 8 months
C) 12 months
D) 6.67 months
*Q3.* During site supervision, you discover reinforcement has been placed incorrectly. What is the best action?
A) Plaster the bad sections
B) Pour concrete immediately
C) Instruct correction before concreting
D) None of the above
*Q2.* A community complains of frequent water outages due to leaks. What should be your priority response?
A) Isolate and repair the leaks while communicating with affected customers
B) Send a plumber to the site to repair the broken pipes
C) Communicate to the customers of the intended action
D) Plan to attend to the leakages
*Q1.* Reservoir, tank, sump, ?
A) Reservoir-related storage structure
B) [option cut off in image]
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