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- Question
Flocculation is a process
Options- A. that removes algae from stabilization pond effluent
- B. that promotes the aggregation of small particles into larger particles to enhance their removal by gravity
- C. both (a) and (b)
- D. none of these.
- Correct Answer
- that promotes the aggregation of small particles into larger particles to enhance their removal by gravity
- 1. The superelevation needed for a vehicle travelling at a speed of 60 kmph on a curve of radius 128 m on a surface with a coefficient of friction of 0.15 is :
Options- A. 0.71
- B. 0.81
- C. 0.91
- D. 0.61 Discuss
- 2. Design rate of super elevation for horizontal highway curve of radius 450 m for a mixed traffic condition, having a speed of 125 km/hour is
Options- A. 1.0
- B. 0.05
- C. 0.07
- D. 0.154 Discuss
- 3. An isochrone is a line on the basin map
Options- A. Joining raingauge stations having equal rainfall-duration
- B. Joining points having equal rainfall depth in a given time interval
- C. Joining points having equal time of travel of surface runoff to the catchment outlet
- D. Joining points which are at equal distance from the catchment outlet Discuss
- 4. The plastic modulus of a section is 4.8 x 10-4 m3. The shape factor is 1.2. The plastic moment capacity of the section is 120 kN.m. The yield stress of the material is
Options- A. 100 MPa
- B. 240 MPa
- C. 250 MPa
- D. 300 MPa Discuss
- 5. At highway stretches where the required overtaking sight distance cannot be provided, it is necessary to incorporate in such sections the following :
Options- A. at least twice the stopping sight distance
- B. half of the required overtaking sight distance
- C. one third of the required overtaking sight distance
- D. three times the stopping sight distance. Discuss
- 6. The focal length of the object glass of a tacheometer is 200 mm, the distance between the vertical axis of the tachometer and the optical centre of the object glass is 100 mm and the spacing between the upper and lower line of the diaphragm axis is 4 mm. With the line of collima-tion perfectly horizontal, the staff intercepts are 1 m (top), 2 m (middle), and 3 m (bottom). The horizontal distance (m) between the staff and the instrument station is
Options- A. 100.3
- B. 103.0
- C. 150.0
- D. 153.0 Discuss
- 7. Reaction at support b of the structure is
Options- A. P
- B. P2
- C.
- D.
Discuss
- 8. Allowable average shear stress in an un-stiffened web for beams made of steel of grade 250 N/mm2 is :
Options- A. 250 N/mm2
- B. 165 N/mm2
- C. 150 N/mm2
- D. 100 N/mm2 Discuss
- 9. A two lane single carriage-way is to be designed for a design life period of 15 years. Total two-way traffic intensity in the year of completion of construction is expected to be 2000 commercial vehicles per day. Vehicle damage factor = 3.0, Lane distribution factor = 0.75. Assuming an annual rate of traffic growth as 7.5%, the design traffic expressed as cumulative number of standard axles, is
Options- A. 42.9 x 106
- B. 22.6 x 106
- C. 10.1 x 106
- D. 5.3 x 106 Discuss
- 10. A mild steel specimen is under uni-axial tensile stress. Young's modulus and yield stress for mild steel are 2 x 105 MPa and 250 MPa respectively. The maximum amount of strain energy per unit volume that can be stored in this speciment without permanent set, is
Options- A. 156 Nmm/mm3
- B. 15.6 Nmm/mm3
- C. 1.56 Nmm/mm3
- D. 0.156 Nmm/mm3 Discuss
GATE Exam Questions problems
Search Results
Correct Answer: 0.71
Correct Answer: 0.154
Correct Answer: Joining points having equal time of travel of surface runoff to the catchment outlet
Correct Answer: 250 MPa
Correct Answer: at least twice the stopping sight distance
Correct Answer: 100.3
Correct Answer: P
Correct Answer: 100 N/mm2
Correct Answer: 42.9 x 106
Correct Answer: 0.156 Nmm/mm3
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