Estimating and Costing Multiple Choice Questions

Estimating and Costing

Question 61.

Pick up the correct statement from the following:

A.

 If the bed level is above N.S.L. the canal is called fully in baking and the berms are designed as 3 d where d is full supply depth of water (F.S.D.)

B.

 Area of canal in cutting = BD + Sd² where B = bed width, d = depth of cutting and S is the side slope

C.

 If F.S.L. is above N.S.L the canal is called partly in cutting and partly in filling and berms are designed as 2d where d is full supply depth

D.

 All the above

Explanation :

Explanation Not Provided

Question 62.

Pick up the correct statement from the following:

A.

 In a gully trap, a water seal of 6 to 7.5 cm is provided

B.

 The gully trap collects waste water from the kitchen, sink, wash basins, etc.

C.

 The gully trap disconnects the sullage drain from the main drainage system

D.

 The grating provided over gully traps is 23 cm square

Explanation :

Explanation Not Provided

Question 63.

Pick up the correct statement from the following:

A.

 In order to check up the average depth of excavation, 'Dead man’s' are left at the mid-widths of borrow pits

B.

 The earthwork calculation in excavation is made from the difference in levels obtained with a level

C.

 The earth work in excavation to form the road embankment includes the formation of correct profile and depositing the soil in layers

D.

 All the above

Explanation :

Explanation Not Provided

Question 64.

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

Explanation :

Explanation Not Provided

Question 65.

Pick up the incorrect statement from the following:

A.

 Lead is the average horizontal straight distance between the borrow pit and the place of spreading soil

B.

 The lead is calculated for each block of the excavated area

C.

 The unit of lead is 50 m for a distance upto 500 m

D.

 The unit of lead is 1 km where the lead exceeds 2 km

Explanation :

Explanation Not Provided