One bag of Portland cement, 50 kg in weight, would normally have a bulk volume of

AsCu, a preservative for wood, developed by the Forest Research Institute, Dehradun, comprises of chemicals:

Consider the following statements related to autoclave bricks:
1.Less water absorption compared to other bricks.
2.Noise reduction
3.It is cheap compared to other types of bricks.
4.Requirement of bulk volume of mortar in joints being relatively less compared to other types of brick masonry.
5.Not recommended for outer walls. 
Which of the above statements are relevant to the use of ‘autoclave’ bricks? 

The minimum number of annular rings to be seen in every 2.54 cm in the radial direction from the core for timber to be classified as ‘Dense’ is

If the actual thickness of a brick masonry wall is 19 cm, its effective length is 2.70 m, its effective height is 2.82 m and its code specified stiffening coefficient is 1.2 then, for design considerations, the slenderness ratio of the wall will be taken as

Consider the following forms of water in a hydrated cement paste:
1.Capillary water
2.Chemically combined water
3.Interlayer water
4.Adsorbed water 
Which of the above forms of water will, on its/their removal, cause shrinkage of the paste? 

Consider the following statements:High early strength of cement is obtained as a result of
1.Fine grinding.
2.Decreasing the lime content
3.Burning at higher temperature
4.Increasing the quality of gypsum. 
Which of the above statements are correct? 

Consider the following statements related to ‘composite mortar’:
1.Addition of lime to cement mortar improves its workability
2.Composite mortar is obtained by adding 10% by weight of cement and mixing with water.
3.Composite mortar is not preferred in tall buildings.
4.Mechanical grinding is essential for developing composite mortar.Which of the above statements are true in this case? 

Consider the following statements related to ‘non-destructive testing’ of concrete:
1.Indentation test is used to assess the quality of concrete.
2.Resonant Frequency Method is based on a laboratory test.
3.Compressive strength of concrete is estimated through Pulse Velocity Measurement.
4.Dynamic modulus of Elasticity is determined by a Sonometer Test.
5.Thickness of concrete can be estimated by in-situ Rebound Hammer Test. 
Which of the above statements are correct? 

What is the amount of water required for a workable RC of mix 1 : 2: 4 by weight., when W/C is 0-60 and unit weight of concrete is 2400 kg/m³?

Which IS code is used for classification of timber for seasoning purposes?

Consider the following with regard to the application of preservation of timber:
1.Increase in the life span of the member
2.Increase in the strength of the timber
3.Removal of moisture
4.Prevention of growth of fungi by killing them 
Which of the above are correct?

The plies in plywood are so placed that the grains of each ply are

Which of the following is an ODD one as regards ‘requirement of good brick-earth’?

The compressive strength of heavy-duty bricks, as per IS : 2980-1962, should not be less than

What will be the depth of penetration of the plunger in Vicat Apparatus (IS : 5513 - 1976) from the bottom of the Vicat Mould, when the cement paste is tested for standard consistency, according to IS 4031 – 1988 ?

Two sewer pipelines A and B (having the same diameter and made of the same material) are laid at a bed slope of 1 in 225 and 1 in 625, respectively. Determine the ratio of their carrying capacities (Q_A to Q_B) .

Select the correct statement with respect to an over - reinforced cement concrete section under the working stress method .

A cantilever beam of span L is built - in at the support. It is restrained against lateral deflection and torsion at the free end. The effective length of compression flange for the beam as per IS 800 : 2007 is

What is the principle of plane surveying ?

According is IS 5968 : 1987, the minimum radius of radius of curve to be provided in the alignment of unlined canals carrying a discharge of less than 30 cumecs up to 15 cumecs is :

A Pelton wheel is to be designed for a pitch diameter of 1 m and jet diameter of 0.1 m. The number of buckets on the runner computed by Taygun’s formula is :

What is the effect of fly ash in concrete ?

As per IS 456 : 2000, the minimum grade of concrete to be used for plain concrete and reinforced concrete, respectively, in concrete works exposed directly along the sea coast are :

Identify the property that changes as a function of the geometrical dimensions of a section in structural materials :

As per IRC (Indian Roads Congress) recommendation, what will be the designed stopping sight distance (in metres) at the vehicle speed of 80 km/h on a rural highway ?

No deduction is made in the quantity estimation for plastering work in cement mortar for openings having size up to :

What is the height of slump cone mould used for testing the workability of the concrete ?

Select the correct option with regard in the following statements (S1, S2) pertaining to pavements .
S1 : Present serviceability index is used for the functional evaluation of pavement surface condition
S2 : Rigid pavements are less affected by temperature variations than flexible pavements

If the quadrantal bearing of a line AB is S 31'35' E, then its whole circle bearing is equal in :

What is runoff in hydrology defined as?

Which factor most significantly affects runoff estimation?

What is the primary purpose of runoff estimation in hydrology?

Which method is commonly used for runoff estimation in small catchments?

What is the primary source of runoff in a catchment?

Which soil type produces the highest runoff?

What is the effect of urbanization on runoff?

Which parameter is critical for the Rational method of runoff estimation?

What is the primary purpose of the SCS curve number method?

What is the effect of vegetation cover on runoff?

Which factor is used to estimate runoff in the Rational method?

What is the primary purpose of runoff estimation in flood control?

Which method is used for runoff estimation in large catchments?

What is the effect of increasing rainfall intensity on runoff?

Which soil condition leads to the lowest runoff?

What is the primary purpose of the runoff coefficient in the Rational method?

Which factor is critical for the SCS curve number method?

What is the effect of increasing slope on runoff?

Which method is used for runoff estimation in ungauged catchments?

What is the primary purpose of runoff estimation in reservoir design?