The minimum width of a septic tank is taken__________________?

Related Mcqs:

1. period in a septic tank is assumed___________________?

   The detention
   A. 20 minutes
   B. 25 minutes
   C. 30 minutes
   D. 40 minutes

2. The excavation exceeding 1.5 m in width and 10 sq.m in plan area with a depth not exceeding 30 cm, is termed as_______________?

   A. Excavation
   B. Surface dressing
   C. Cutting
   D. Surface excavation

3. If B is the width of formation, d is the height of the embankment, side slope S : 1, for a highway with no transverse slope, the area of cross-section is___________________?

   A. B + d + Sd
   B. Bd + Sd2
   C. B × d – Sd1/2
   D. ½ (Bd + Sd2)

4. The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by Prismoidal formula, is____________________?

   A. 3250 m3
   B. 3225 m3
   C. 3275 m3
   D. 3300 m3

5. The cross -sections for a highway is taken at_________________?

   A. Right angle to the centre line
   B. 30 metres apart
   C. Intermediate points having abrupt change in gradient
   D. All the above

6. Brick walls are measured in sq. m if the thickness of the wall is_________________?

   A. 10 cm
   B. 15 cm
   C. 20 cm
   D. None of these

7. As per Indian Standard Specifications, the peak discharge for domestic purposes per capita per minute, is taken________________?

   A. 1.80 litres for 5 to 10 users
   B. 1.20 litres for 15 users
   C. 1.35 for 20 users
   D. All the above

8. The total length of a cranked bar through a distance D. at 45° in case of a beam of effective length L, is_________________?

   A. L + 0.42 d
   B. L + (2 × 0.42 d)
   C. L – (0.42 d)
   D. L – (2 × 0.4 d)

9. The correct Prismoidal formula for volume is________________?

   A. D [first area + last area + Even area + 2 odd areas] B. D/3 [first area + last area + 4 Even area + 2 odd areas]
   C. D/3 [first area + last area + 2 Even area + 4 odd areas] D. D/6 [first area + odd areas]

10. For 100 sq. m cement concrete (1 : 2: 4) 4 cm thick floor, the quantity of cement required, is_______________?

    A. 0.90 m3
    B. 0.94 m3
    C. 0.98 m3
    D. 1.00 m3