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- The discharge per meter width at the foot of a spillway is 10 m3/s at a velocity of 20 m/s. A perfect free hydraulic jump will occur at the foot of the spillway when the tail water depth is approximately equal to
a. 4.50 m
b. 5.00 m
c. 5.50 m
d. 6.50 m
Answer :- 6.50 m
- Rapid sand filtration:
a. As particles are removed, filter become clogged- head loss increases, turbidity increases
b. Must back-wash once per day
c. Must design to handle flow with one filter out of service
d. both a, b and c
e. None of these
Answer :- both a, b and c
- The ratio of maximum water demand to average water demand is called the:
a. Firefighting demand factor
b. Critical Flow Factor
c. Peaking Factor
d. Design Flow Factor
Answer :- Peaking Factor
- A multiple regression analysis for trip generation purposes shows the following relationship for the number of trips per household:
Trips Generated per household per day = 0.58+1.5P+2.2A Where :
P = Number of persons per household
A= Number of Autos per household
If a zone under study contains 600 households with an average of 4.1 persons and 2.3 autos for each household, the number of trips generated per day most nearly:
a. 6,200
b. 7,100
c. 6,700
d. 6,600
Answer :- 7,100
- PWA means:
a. Public Works Assessment
b. Public Works Affairs
c. Public Works Authority
d. None of above
Answer :- Public Works Authority
- The following are projects
a. Developing a new software
b. Building a new sports complex
c. Production of automobile tires
d. All of the above
Answer :- All of the above
- A district road with a bituminous pavement has a horizontal curve of 1000 m for a design speed of 75 Kmph. The super elevation is:
a. 1 in 40
b. 1 in 50
c. 1 in 60
d. 1 in 70
Answer :- 1 in 40
- The advantage of providing super elevation on roads is:
a. Higher speed of vehicles
b. Increased volume of traffic
c. Reduced maintenance cost of the roads
d. Draining off rain water quickly
All of the above
Answer :- All of the above
- This question about the method for in-situ test of rock?
a. Coring
b. Textile
c. Cutting
d. Breaking
Answer :- Coring
- Add-Mixture is used in concrete for:
1. Increasing strength of concrete
2. Reduce heat of concrete
3. To increase workability of concrete
4. Increase air content Choose the answer
a. 1 & 2
b. 2 & 3
c. 3 & 4
d. 1 & 4
Answer :- 1 & 2
- Consider the following strengths of concrete:
1. Cube strength
2. Cylinder strength
3. Split-tensile strength
4. Modulus of rupture
The correct sequence in increasing order of these strengths is
a. 3, 4, 2, 1
b. 3, 4, 1, 2
c. 4, 3, 2, 1
d. 4, 3, 1, 2
Answer :- 4, 3, 1, 2
- Consider the following statements: Shrinkage of concrete depends upon the
1. Relative humidity of the atmosphere.
2. Passage of time.
3. applied stress.
Which of these statements is/are correct?
a. 1 and 2
b. 2 and 3
c. 1 alone
d. 1, 2 and 3
Answer :- 1, 2 and 3
- Stress in abeam due to simple bending s:
a. Directly proportional
b. Inversely proportional
c. Curvilinear related
d. None of these
Answer :- Directly proportional
- Minor limit design method for rectangular section will provide:
a. Minimum steel area, minimum section dimension
b. Minimum steel area, maximum section dimension
c. Maximum steel area, maximum section dimension
d. Maximum steel area, minimum section dimension
Answer :- Minimum steel area, maximum section dimension
- Modulus of elasticity of a mass of rock compared to rock substance:
a. Higher
b. Lower
c. Equivalent
d. Non correlated
Answer :- Lower
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