WAPDA Test Questions conducted by PTS
Jr. Engineer (Civil) WAPDA GM (C&M ) Water Conducted by PTS on 19-08-2018
Shared By BY TAIMOOR NASIR UET LAHORE
Questions 1-25 out of 89
- Lacquer paints
- are generally applied on structural steel
- are less durable as compared to enamel paints
- consist of resin and nitro-cellulose
- contain alcohol as thinner
- all the above
2. Pick up the polymineralic rock from the following:
- uartz sand
- Pure gypsum
- Magnesite
- Granite
- None of these.
3. For the manufacture of Portland cement, the proportions of raw materials used, are
- lime 63% ; silica 22% ; other ingredients 15%
- lime 22% ; silica 63% ; other ingredients 15%
- silica 40% ; lime 40% ; other ingredients 20%
- silica 70% ; lime 20% ; other ingredients 10%.
4. Pick up the correct statement from the following:
- soft stones are required for carving
- light stones are required for arches
- hard stones are required to stand high pressure
- All the above.
5. The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known
- Liquid limit
- plastic limit
- shrinkage limit
- Permeability limit.
6. Dado is usually provided in
- dining halls
- bath rooms
- living rooms
- verandas
- roofs
7. The 9 cm x 9 cm side of a brick as seen in the wall face, is generally known as
- Stretcher
- Face
- Front
- Header
- Side
8. The under surface of an arch, is called
- Soffit
- Intrados
- Haunch
- back.
9. The process of making the back ground rough, before plastering, is
- Dubbing
- Hacking
- Blistering
- Peeling
10. The angular steps used for changing direction of the stairs, are called
- Round steps
- Angular steps
- Winders
- Radial steps
- Circular steps
11. The line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is
- Ridge
- Hip
- Valley
- None of these
12. A wooden block hinged on post outside a door, is known
- Cleat
- Stop
- Horn
- None of these
13. If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is,
- 20%
- 25%
- 30%
- 35%
- 40%
14. For given water content, workability decreases if the concrete aggregates contain an excess of
- thin particles
- flat particles
- elongated particles
- flaky particles
- All the above.
15. After casting, an ordinary cement concrete on drying
- Expands
- Mix
- Shrinks
- None of these
16. Hydration of cement is due to chemical action of water with
- Tricalcium silicate and dicalcium silicate
- Dicalcium silicate and tricalcium aluminate
- Tricalcium aluminate and tricalcium alumino ferrite
- All the above.
17. Proper proportioning of concrete, ensures
- desired strength and workability
- desired durability
- water tightness of the structure
- resistance to water
- all the above
18. The bulk density of aggregates does not depend upon:
- size and shape of aggregates
- specific gravity of aggregates
- grading of aggregates
- size and shape of the container
- None of these.
19. Curing
- reduces the shrinkage of concrete
- preserves the properties of concrete
- prevents the loss of water by evaporation
- All of the above.
20. Pick up the correct proportions of chemical ingredients of cement
- Lime : Silica : Alumina : Iron oxide : 63 : 22 : 6 : 3
- Silica : Lime : Alumina : Iron oxide : 63 : 22 : 6 : 3
- Alumina : Silica : Lime : Iron oxide : 63 : 22 : 6 : 3
- Iron oxide : Alumina : Silica : Lime : 63 : 22 : 6 : 3
21. Slump test is measure of mobility ,consistency ,homogeneity, all
22. The strength and quality of concrete, depend upon:
- grading of aggregates
- surface area of aggregates
- shape of aggregates
- surface texture of aggregates
- all the above.
23. The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than
- 30 minutes
- 40 minutes
- 60 minutes
- 75 minutes
- 90 minutes.
24. If 50 kg of fine aggregates and 100 kg of coarse agregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is
- 8 kg
- 10 kg
- 12 kg
- 14 kg
- 15 kg
25. The bulk density of aggregates, depends upon
- Shape
- Grading
- Compaction
- all the above.
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