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- Question
The ratio of the hydraulic radius of a pipe running full to the hydraulic radius of a square section of a channel whose side is equal to the diameter of the pipe, is
Options- A. 1
- B.
- C.
- D.
- Correct Answer
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- 1. The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than
Options- A. 0.01 second
- B. 0.001 second
- C. 0.0001 second
- D. none of these. Discuss
- 2. Efflorescence in cement is caused due to an excess of
Options- A. alumina
- B. iron oxide
- C. silica
- D. alkalis
- E. magnesium oxide. Discuss
- 3. In cement concrete pavements, tensile stress is due to :
Options- A. bending or deflection under wheel loads
- B. difference in temperature of the top and bottom of pavement
- C. contraction of slab during falling temperature
- D. all the above. Discuss
- 4. In a closed traverse, sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures, then, the closing line will lie in
Options- A. north-west quadrant
- B. north east quadrant
- C. south-east quadrant
- D. south-west quadrant. Discuss
- 5. The maximum percentage of chemical ingredient of cement is that of
Options- A. magnesium oxide
- B. iron oxide
- C. aluminium
- D. lime
- E. silica. Discuss
- 6. When no air is left below the nappe and water stream adheres to the down stream face of the weir, it is known as
Options- A. free nappe
- B. depressed nappe
- C. clinging nappe
- D. none of these. Discuss
- 7. The main object of compaction of concrete, is:
Options- A. to eliminate air holes
- B. to achieve maximum density
- C. to provide initimate contact between the concrete and embedded materials
- D. all the above. Discuss
- 8. Pick up the correct statement from the following :
Options- A. if the image of the object does not fall on the plane of the cross-lines, parallax exists
- B. parallax has nothing to do with the eyepiece
- C. the eyepiece is adjusted for clear vision of the cross hairs
- D. all the above. Discuss
- 9. Bitumen is generally obtained from
Options- A. organic material
- B. synthetic material
- C. petroleum product
- D. coal. Discuss
- 10. A strainer type well sunk through three pervious layers intervened by three impervious aquicludes, draws water from
Options- A. top most pervious layer
- B. central pervious layer
- C. lowest pervious layer
- D. all the pervious layers. Discuss
More questions
Correct Answer: 0.0001 second
Correct Answer: alkalis
Correct Answer: all the above.
Correct Answer: north-west quadrant
Correct Answer: lime
Correct Answer: clinging nappe
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: petroleum product
Correct Answer: all the pervious layers.
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