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- Question
Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down
Options- A. rubber and lead balls undergo equal changes in momentum
- B. change in momentum suffered by lead ball is less that of rubber ball
- C. momentum of rubber ball is less than that of lead ball
- D. none of these.
- Correct Answer
- none of these.
- 1. The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is
Options- A.
- B.
- C.
- D.
Discuss
- 2. Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation
Options- A. is directly proportional to their velocity of approach
- B. is inversely proportional to their velocity of approach
- C. bears a constant ratio to their velocity of approach
- D. is equal to the sum of their velocities of approach. Discuss
- 3. If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is
Options- A. 0.91
- B. 0.92
- C. 0.93
- D. 0.94
- E. 0.95 Discuss
- 4. The brick work is measured in sq metre, in case of
Options- A. Honey comb brick work
- B. Brick flat soling
- C. Half brick walls or the partition
- D. All the above. Discuss
- 5. Pick up the correct statement from the following :
Options- A. the roof slabs of multi-storeyed buildings are constructed monolithically to carry the various floor loads
- B. the beams of multi-storeyed buildings rest on girders and are the main load transferring members to the columns
- C. the slab is spanned across the secondary beams provided between the main beams
- D. All of these. Discuss
- 6. Flocculated particles do not change their
Options- A. size
- B. shape
- C. weight
- D. none of these. Discuss
- 7. Dispersion of load through the flange to web is considered as dispersed uniformly at an angle ?° is
Options- A. 10°
- B. 15°
- C. 20°
- D. 25°
- E. 30° Discuss
- 8. If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width
Options- A. R + T
- B. T-R
- C. R2 + T2
- D. R-T Discuss
- 9. Pick up the correct statement from the following :
Options- A. The boning rod is used for checking the levels of the sewer inverts
- B. Manhole covers are made circular for the convenience of the cleaning staff
- C. A manhole is classified as deep manhole if its depth is more than 1.5 m
- D. A manhole is classified as shallow manhole if its depth is. less than 0.9 m
- E. All the above. Discuss
- 10. The threshold markings are
Options- A. 4 m wide
- B. 1 m clear space between adjacents
- C. 45 m in length
- D. placed symmetrically on either side of the runway centre line
- E. all the above. Discuss
More questions
Correct Answer:
Correct Answer: bears a constant ratio to their velocity of approach
Correct Answer: 0.95
Correct Answer: All the above.
Correct Answer: All of these.
Correct Answer: none of these.
Correct Answer: 30°
Correct Answer: R2 + T2
Correct Answer: All the above.
Correct Answer: all the above.
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