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- Question
If t is the duration of an activity, t1 is the latest finish possible moment of its preceding activity and t2 is the earliest start possible moment, the independent float of the activity is
Options- A. (t1 - t2) - t
- B. t - (t1 - t2)
- C. (t1 + t2) - t
- D. t + (t1 - t2)
- Correct Answer
- (t1 - t2) - t
- 1. The increased cohesiveness of concrete, makes it
Options- A. less liable to segregation
- B. more liable to segregation
- C. more liable to bleeding
- D. more liable for surface scaling in frosty weather
- E. none of these. Discuss
- 2. Couple roof is used for spans
Options- A. 3.5 m or less
- B. 3.5 m but less than 5 m
- C. 5 m but less than 6.5 m
- D. 6.5 m but less than 8 m. Discuss
- 3. Curing of pavements, floors, roofs and slabs, is done by
Options- A. membrane method
- B. ponding method
- C. covering surface with bags
- D. sprinkling water method
- E. shading concrete method. Discuss
- 4. Regional Indian railways use different types of sleepers according to their
Options- A. availability
- B. economy
- C. suitability
- D. design
- E. all the above. Discuss
- 5. Pick up the correct statement from the following:
Options- A. High percentage of C3S and low percentage of C2S cause rapid hardening
- B. High percentage of C3S and low percentage of C2S make the cement less resistive to chemical attack
- C. Low percentage of C3S and high percentage of C2S contribute to slow hardening
- D. Low percentage of C3S and high percentage of C2S provide greater resistance to chemical attack
- E. All the above. Discuss
- 6. Stability of hill slopes depends upon
Options- A. nature of the slope
- B. angle of the slope
- C. geological conditions
- D. ground water conditions
- E. all the above. Discuss
- 7. Pile foundations are suitable for
Options- A. water logged soils
- B. soft rocks
- C. compact soils
- D. multistoreyed buildings
- E. none of these. Discuss
- 8. Heel of crossing is the line joining
Options- A. ends of splice rail and point rail
- B. ends of lead rails butting the crossing
- C. ends of wing rails
- D. throat and actual nose of crossing. Discuss
- 9. Cohesion in soil
Options- A. decreases active pressure and increases passive resistance
- B. decreases both active pressure and passive resistance
- C. increases the active pressure and decreases the passive resistance
- D. increases both active pressure and passive resistance. Discuss
- 10. If the loading on a prestressed rectangular beam, is uniformly distributed, the tendon to be provided should be .
Options- A. straight below centroidal axis
- B. parabolic with convexity downward
- C. parabolic with convexity upward
- D. straight above centroidal axis
- E. none of these. Discuss
More questions
Correct Answer: less liable to segregation
Correct Answer: 3.5 m or less
Correct Answer: ponding method
Correct Answer: all the above.
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: water logged soils
Correct Answer: ends of splice rail and point rail
Correct Answer: increases both active pressure and passive resistance.
Correct Answer: parabolic with convexity downward
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