- (A) Carbondioxide
- (B) Methane
- (C) Ammonia
- (D) Carbon monoxide
Civil Engineering Mcqs
- (A) Over flow rate
- (B) Surface loading
- (C) Over flow velocity
- (D) All the above
- (A) 30 minutes
- (B) 1 hour
- (C) 1 hour and 30 minutes
- (D) 2 hours
- (A) The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes
- (B) Proper tests for the presence of poisonous gases must be carried out
- (C) The men entering the manhole should be advised to smoke in the sewer
- (D) Warning signals should be erected
- (A) 0.50 m/sec
- (B) 0.60 m/sec
- (C) 0.70 m/sec
- (D) 0.75 m/sec
- (A) 25,000 to 35,000 litres/sqm/day
- (B) 40,000 to 50,000 litres/sqm/day
- (C) 50,000 to 60,000 litres/sqm/day
- (D) 80,000 to 100,000 litres/sqm/day
- (A) Top of smaller sewer is kept lower
- (B) Top of larger sewer is kept lower
- (C) Tops of both the sewers are at the same level
- (D) None of these
- (A) compressibility
- (B) surface tension
- (C) cohesion
- (D) adhesion
- (E) viscosity.
- (A) adhesion
- (B) cohesion
- (C) viscosity
- (D) compressibility
- (E) surface tension
- (A) 0°C
- (B) 0°K
- (C) 4°C
- (D) 100°C
- (E) 20°C.
