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

Related Mcqs:

1. Pick up the incorrect statement regarding a master trap from the following ?

   A. It is provided in between the lower end of the house drain and the street sewer
   B. It is provided a cleaning eye at the top of the trap
   C. The mica flap valve which opens inwards only, is fitted at the top of the inlet pipe
   D. The water seal is less than that of ordinary traps

2. The slope of the outlet of ‘P trap’ below the horizontal is kept________________?

   A. 8°
   B. 10°
   C. 12°
   D. 14°

3. The cost of the earthwork in excavation for the surface drain of cross-section shown in the given figure for a total length of 5 metres @ Rs. 450% cum, is_______________?

   A. Rs. 400
   B. Rs. 425
   C. Rs. 450
   D. Rs. 500

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

   A. 100 mm
   B. 150 mm
   C. 200 mm
   D. 175 mm

5. The inspection pit or chamber is a manhole provided in a base drainage system________________?

   A. At every change of direction
   B. At every change of gradient
   C. At every 30 m intervals
   D. All the above

6. Berms are provided in canals if these are__________________?

   A. Fully in excavation
   B. Partly in excavation and partly in embankment
   C. Fully in embankment
   D. All the above

7. Pick up the correct statement from the following?

   A. The estimated value of the work excluding the amount for contingencies, work charged establishment, tool and plants, is called work value
   B. The actual expenditure involved to complete a work including incidental, establishment and travelling charges, is called actual cost
   C. The formal acceptance by the administrative department for incurring an expenditure on the work, is called administrative approval
   D. All the above

8. A cement concrete road is 1000 m long, 8 m wide and 15 cm thick over the sub-base of 10 cm thick gravel. The box cutting in road crust is__________________?

   A. 500 m3
   B. 1000 m 3
   C. 1500 m3
   D. 2000 m3

9. Pick up the excavation where measurements are made in square metres for payment ?

   A. Ordinary cuttings up to 1 m
   B. Surface dressing up to 15 cm depths
   C. Surface excavation up to 30 cm depths
   D. Both B. and C.

10. The concrete work for the following part of the building of specified thickness is measured in square metres_______________?

    A. Root slabs
    B. Floors
    C. Wall panels
    D. All the above