D:-None of these
Correct Answer:- Option-C

Question47:-Find the area of rapid sand filters required for a town having a population of 80000 with an average rate of
demand as 200 litres per head per day. Assume a rate of filtration as 5000 litres per hour per *“m~(2)" of filter area.

&- 3002)
8:- 20072)
002”
0: 4002)
Correct Answer:- Option-B
Question48:-Two plates of 16 mm and 14 mm are joined by fillet. What should be the size of fillet weld to be used 7
A:-12.5
B:-2.0
C:-17.5
D:-10.5
Correct Answer:- Option-A
Question49:-The relation between modulus of Elasticity (5) 2೧6 71060125 of rigidity (N} and bulk modulus (K} is given by the
relation
A:-E = (3KN)/{9K-N)
B: (3KN)/(9K+N)*
C:-"E=(9KN}/(3K-N)*
D:-"E=({9KN)/(3K+N)"
Correct Answer:- Option-D
Question50:-Due to negative skin friction on a pile, the load camrying capacity of the pile
A:-Remains same
B:-Decreases
C:-Increases
D:-None of these
Correct Answer:- Option-B

Question51:-Find the discharge through a rectangular channel of width 2m, having a bed slope of 4 in 8000. The depth of
flow is 1.5 mand take the value of N in Manning's formula as 0.012

:-3.98 पा (3.57
2೨24.67 पा (357

82.76 0503
0: 8.26 000
Correct Answer:- Option-A

Question52:-Most weather phenomena occur in the
A:-Thermosphere
B:-Mesosphere
C:-Stratosphere
D:-Troposphere
Correct Answer:- Option-D

Question53:-The diameter of a rivet connecting plate of thickness 15 mm given by Unwin's formula is
A:-26 mm
B:-22 mm
C:-24 mm
D:-20 mm
Correct Answer:- Option-C

Question54:-Elongation produced in a bar of density p, length ‏١١١‎ 200 Young's modulus E due to its self-weight
கோட்டு

9.81701^(2))/{8)`

:- (9.81rhol ~(2))/(2N)"

೧:-:(9.81ಗ107(2)0/(2 7
Correct Answer:- Option-A

Question55:-N value for medium sand lies between
A:-10 to 30
B:-5 to 10
C:-30 to 50
0:01 5
Correct Answer:- Option-A

Question56:-Beams of uniform strength can be made by varying the cross sectional dimension in such a way that