Question19:-What is the chronological order of Ronald Trump among the Presidents of America 7
2:43
B:-44
C:-45
D:-46
Correct Answer:- Option-C
Question20:-Who is the oldest woman who swims across the English Channel 7
A:-Linda Ashmore
B:-Samantha Druce
C:-Arati Saha
D:-Rashmi Sharma
Correct Answer:- Option-A
Question21:-The quantity of cement in 1: 2 : 4 mix of *1m~(3)" concrete 15 about
A:-254 kg
B:-343 kg
C:-542 kg
D:-154 kg
Correct Answer:- Option-B
Question22:-Permutit method is employed for removing
A:-Floating solids
B:-Colloidal solids
C:-Hardness
D:-Microorganisms
Correct Answer:- Option-C
Question23:-If a material is incompressible, its bulk modulus is
A:-Zero
B:-One
6:03
D:-Infinite
Correct Answer:- Option-D
Question24:-A line of level was run from a bench mark no. 1 of RL 100.05 to a bench mark no. 2 of RL 101.70. If the sum of
back sights is 2.01 and that of foresight is 0.40, the closing error of leveling work is
A:--0.06 m
B:--0.05 m
C:--0.07 m
D:-- 0.04 m
Correct Answer:- Option-D
Question25:-The wastewater treatment initiated by symbiotic relationship between algae and bacteria is
A:-Activated sludge process
B:-Oxidation ditch
C:-Oxidation pond
D:-Trickling filter
Correct Answer:- Option-C
Question26:-The maximum crushing value for aggregate used for wearing surfaces such as roads and runways is
A:-45
B:-50
C:-25
D:-30
Correct Answer:- Option-D

Question27:-Maximum daily demand at a water purification plant is 12 Million litres/day. If the detention time is 6 hrs. and
velocity of flow is 0.2 m/minute, the capacity of the tank is

&:-72 ` 7^{3}`
8:-300 ` 71^(3)`
@-720 `71^{3}`
0:-3000 `7^(3}`
Correct Answer:- Option-D
Question28:-The number of independent elastic constants for a linear elastic isotropic and homogeneous material is
‏2ھ‎
‎B:-4