महाराष्ट्र अभियंता सेवा (स्थापत्य) मुख्य परीक्षा २०१२ - पेपर २

A small bridged passage for the conveyance of water, under the road, from one side of the roadway to the other side is known as

If afflux is more, scour depth

IRC recommendations for minimum width of footpath on bridge is 

IRC standard loading for bridge designs are

The type of bearing used on a bridge, depends on 

Abutment piers are provided in multiple span 

The difference between the designed H.F.L. allowing for afflux, if any, and the level of crown of road at its lower point, whether on the bridges or its approaches, is known as

Culverts are provided for linear waterway upto maximum of

A thin wall used as a shield or protection against scouring action of stem is called

Floats are used to measure

Which air pollutant is not included in National Ambient Air Quality Standards 2009 ?

The fire demand for a population of 1.5 lakh as per the recommendation of IS 9668 : 1990 is

The following characteristics pertain to the sand filters in water treatment : 

a. The effective size of filter medium is 0-25 mm to 0-35 mm. 

b. Backwashing is carried out by air scouring followed by water washing. 

c. The suspended solids are removed at the surface on biofilm mat.   

Which of these are related to slow sand filters ?

What are the Ambient Air Quality Standards in respect of noise in daytime for
industrial and commercial areas respectively ?

The following data pertain to a sewage sample at 20°C :
Initial dissolved oxygen = 6 mg/L 

Final dissolved oxygen after 5 days = 3.5 mg/L 

Dilution ratio = 0.02 

The BOD, of the above sample at 20°C is 

Which of the following is attached growth process used for waste water treatment ?

Which of the following pairs is/are correctly matched ?

a. Trickling filter - Attached growth anaerobic treatment system 

b. Activated sludge process - Suspended growth aerobic treatment system]

c. Oxidation pond - Suspended growth aerobic treatment system 

d. Oxidation ditch - Modified activated sludge process 

Factors that influence sedimentation process are

Which of the following statements are correct ?

a. The burning of gasoline fuel emits carbon monoxide. 

b. Sulphur dioxide is formed from coal burning.

c. The burning of tyres results in hydrocarbons. 

What is the standard for E. coli as per Drinking Water Quality Standards IS : 10500 ?