The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended___________________?

Related Mcqs:

1. If the formation level of a highway has a uniform gradient for a particular length, and the ground is also having a longitudinal slope, the earthwork may be calculated by_______________?

   A. Mid-section formula
   B. Trapezoidal formula
   C. Prismoidal formula
   D. All the above

2. The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage of the point with no filling or cutting is__________________?

   A. (6 + 15) chains
   B. (6 + 12) chains
   C. (6 + 18) chains
   D. None of these

3. A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved ?

   A. 26,000 m3
   B. 26,500 m3
   C. 27,000 m3
   D. 27,500 m3

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 trap which is provided to disconnect the house drain from the street sewer is called_________________?

   A. Master trap
   B. Intercepting trap
   C. Interception manhole
   D. All the above

6. 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

7. Anti-siphonage pipe is connected to__________________?

   A. Main soil pipe
   B. Bottom of P trap W.C.
   C. Top of P trap W.C.
   D. Side of water closet

8. The rate of payment is made for 100 cu m (per % cu m) in case of__________________?

   A. Earth work in excavation
   B. Rock cutting
   C. Excavation in trenches for foundation
   D. All the above

9. 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

10. For 12 mm thick cement plastering 1 : 6 on 100 sq.m new brick work, the quantity of cement required, is___________________?

    A. 0.200 m3
    B. 0.247 m3
    C. 0.274 m3
    D. 0.295 m3