476. For a vertical stiffened web of a plate girder, the lesser clear dimension of the panel should not exceed :(Where t is the thickness of the web
477. Deck bridges have the main disadvantage that
478. Electrostatic precipitator is a device to control
479. For carrying out bituminous patch work during the rainy season, the most suitable binder is
480. The vertices of an astronomical triangle would include
481. In a restrained retangular slab subjected to uniformly distributed load, the yield lines form first
482. The channel section can be designed on the basis of Lacey's Theory. The steps are mentioned below :
1. Finding out the perimeter
2. Finding out the velocity
3. Calculation of the silt factor
4. Finding out the area
What is the correct sequence of the steps ?
483. The radius of curvature of an ideal transition curve should be
484. A dry soil has a mass specific gravity of 1.35. If the specific gravity of solids is 2.7, then the void ratio will be
485. The change in the vertical stress in the soil mass estimated by Boussinesq's equation when Poisson's ratio of soil changes from 0.3 to 0.5 will be
486. Which one of the following in NOT as excavating the moving type of equipment ?
487. When was the water (Prevention and Control of Pollution). Act enacted by the Indian Parliament ?
488. In Lacey's regime theory, the velocity of flow is proportional to :
489. Plant which yields fibre as well as edible fruits is?
490. On which of the following do the numerical values of Terzaghi's bearing capacity factors depend ?
491. A cantilever AB is loaded as shown in the figure. What is the shape of the bending moment diagram for portion AC?
492. In the network given above, the critical path of activities is in the given figure
493. In highway geometric design, once the cumulative speed distribution is drawn, the design adequacy is checked at which percentile ?
494. The initial and final void ratios of a clay sample in a consolidation test are 1 and 0.5, respectively. If the initial thickness of the sample is 2.4 cm, then its final thickness will be
495. Cohesion is 15 kN/m2, the unit weight of soil is 20 kN/m3, the factor of safety is 1.5 and stability number is 0.05; the safe maximum height of the slope is
496. Who is the first winner of ‘Lalithambika Puraskaram’?
497. As per practice of Indian Railways, the grade compensation provided for B.G. on curves is
498. In cement concrete pavements, tie bars are installed in
499. A cantilever beam of T cross-section carries uniformly distributed load. Where does the maximum magnitude of the bending stress occur ?
500. Which of the following are claimed as advantageous in respect of aerobic sludge digestion as compared to anaerobic sludge digestion ?
1. Lower BOD concentration in supernatant liquor.
2. Production of a sludge with excellent dewatering propensity.
3. Greater production of methane.
4. Lesser operating cost.
5. Lesser capital cost.
Select the correct answer using the codes given below :