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- Question
Sand drains are used to :
Options- A. reduce the settlement
- B. accelerate the consolidation
- C. increase the permeability
- D. transfer the load
- Correct Answer
- reduce the settlement
- 1. If, for a fluid in motion, pressure at a point is same in all directions, then the fluid is :
Options- A. a real fluid
- B. a Newtonian fluid
- C. an ideal fluid
- D. a non-Newtonian fluid Discuss
- 2. The shape factor of the section shown in the below figure is
Options- A. 1.5
- B. 1.12
- C. 2
- D. 1.7 Discuss
- 3. The width of expansion joint gap is 2.5 cm in a cement concrete pavement. The spacing between expansion joints for a maximum rise in temperature of 25°C is, (assuming coefficient of thermal expansion of concrete as 10 x 10-6 per degree C),
Options- A. 5 m
- B. 50 m
- C. 100 m
- D. 25 M Discuss
- 4. The group index of a soil subgrade is 7. The subgrade soil is rated as
Options- A. poor
- B. very poor
- C. good
- D. fair Discuss
- 5. The relationship between the length (l) and radius (r) of an ideal transition curve is given by
Options- A. l ? r
- B. l ? r2
- C. l ? 1/r
- D. l ? 1/r2 Discuss
- 6. The unit for coefficient of subgrade modulus is
Options- A. kN/m3
- B. kN/m2
- C. kN/m
- D. kN.m Discuss
- 7. In a BOD test using 5% dilution of the sample (15 ML of sample and 285 mL of dilution water), dissolved oxygen values for the sample and dilution water blank bottles after five days incubation at 20°C were 3.80 and 8.80 mg/L. respectively. Dissolved oxygen originally present in the undiluted sample was 0.80 mg/L. The 5-day 20°C BOD of the sample is
Options- A. 116 mg/L
- B. 108 mg/L
- C. 100 mg/L
- D. 92 Mg/L Discuss
- 8. It is proposed to widen and strengthen an existing 2-lane NH section as a divided highway. The existing traffic in one direction is 2500 commercial vehicles (CV) per day. The construction will take 1 year. The design CBR of soil subgrade is found to be 5 percent, Given: traffic growth rate for CV = 8 percent, vehicle damage factor = 3.5 (standard axles per CV), design life = 10 years and traffic distribution factor = 0.75. The cumulative standard axles (msa) computed are
Options- A. 35
- B. 37
- C. 65
- D. 70 Discuss
- 9. In network of pipes
Options- A. the algebraic sum of discharges around each circuit is zero
- B. the algebraic sum of (pressure + datum) head drops around each circuit is zero
- C. the elevation of hydraulic grade line is assumed for each junction point
- D. elementary circuits are replaced by equivalent pipes Discuss
- 10. Use of coagulants such as alum
Options- A. results in reduction of pH of the treated water.
- B. results in increase of pH of the treated water.
- C. results in no chnage in pH of the treated water.
- D. may cause an increase in decrease of decrease of pH of the treated water. Discuss
GATE Exam Questions problems
Search Results
Correct Answer: an ideal fluid
Correct Answer: 2
Correct Answer: 5 m
Correct Answer: poor
Correct Answer: l ? 1/r
Correct Answer: kN/m3
Correct Answer: 92 Mg/L
Correct Answer: 37
Correct Answer: the algebraic sum of (pressure + datum) head drops around each circuit is zero
Correct Answer: results in reduction of pH of the treated water.
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