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- The Molar Concentration of Water is
a. 18 g/mole
b. 55.6 mole/l
c. 1000 g/l
d. 18 mole/g
Answer :- 55.6 mole/l
- In order to provide the proper geometric standard for each roadway/highway component, what is it that needs to be established first
a. Functional Classification
b. Traffic Capacity
c. Road Networks
d. Existing Design
Answer :- Traffic Capacity
- The steel reinforcement in the concrete is very important in:
a. Maximum positive bending moment
b. Zero value of bending moment
c. Maximum tension stress
d. Max compression stress
e. 1 &3 of the above
Answer :- Maximum tension stress
- Timber can be made more fire resistant by
a. Dipping and steeping process
b. Hot and cold open tank treatment
c. Charring
d. Sir abel’s process
Answer :- Hot and cold open tank treatment
- Metal fatigue can be defined as:
a. A failure due to repeated application of stress higher than the ultimate tensile stress
b. A failure due to repeated cyclic stress below the endurance limit.
c. A failure due to repeated cyclic stress after necking has just been observed
d. A failure due to repeated cyclic stress oven below the yield stress
Answer :- A failure due to repeated application of stress higher than the ultimate tensile stress
- All of the followings are true about work packages except:
a. Need resources to complete
b. Assigned a task or work package manager
c. Have medium to long direction for each activity
d. Definitive start and stop dates
e. All of the above
Answer :- Definitive start and stop dates
- The lowest element in the hierarchical breakdown of the WBS is:
a. Deliverable
b. A work package
c. A cost account
d. A lowest sub deliverable
e. An object
f. None of the above
Answer :- A work package
- Consolidation is a term used to describe the volume reduction of
a. Saturated Clay
b. Dry Clay
c. Saturated Sand
d. Fissured Rock
Answer :- Saturated Clay
- Cohesion less backfill is usually compacted in layers with thickness of
a. 100cm
b. 30cm
c. 50cm
d. 150cm
Answer :- 30cm
- Soil Samples extracted from the standard penetration test (SPT) can be used in
a. Liquid limit test
b. Sieve analysis
c. Hydrometer test
d. All of the above
Answer :- All of the above
- Effects of using sea water:
a. Strength of concrete may be lower at later ages
b. Increase the risk of corrosion of reinforcing steels
c. All of the above
Answer :- All of the above
- Types of Portland cement:
a. Type (I) – normal
b. Type (II) – moderate Sulphate resistance (exposed to soil)
c. Type (III) – high early strength
d. Type (IV) – low heat of hydration
e. Type (V) – high Sulphate resistance (sea water)
f. All of the above
Answer :- All of the above
- Ingredients of concrete:
a. Cement – reduce bleeding
b. Aggregates -reduce shrinkage
c. Water – increase slump
d. Admixtures -primary ingredients
e. All of the above
Answer :- All of the above
- General shrinkage in cement concrete is caused by
a. Carbonation
b. Stresses due to external load
c. Drying the starting with a stiff consistency
d. D-drying starting with a wetter consistency
e. All of the above
Answer :- All of the above
- The purpose of curing is
a. To ensure that there is enough water in the concrete during dehydration.
b. To ensure that this water is retained so that the chemical reaction continues until the concrete has thoroughly hardened and strength is developed.
c. To ensure that there is enough water in the concrete during dehydration & to ensure that this water is retained so that the chemical reaction continues until the concrete has thoroughly hardened and strength is developed.
d. None of all
Answer :- To ensure that there is enough water in the concrete during dehydration & to ensure that this water is retained so that the chemical reaction continues until the concrete has thoroughly hardened and strength is developed.
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