C:-3
D:-1
Correct Answer:- Option-A
Question29:-Fine aggregates are not suitable for RCC work if they belong to
A:-Zone 1
B:-Zone 2
C:-Zone 3
D:-Zone 4
Correct Answer:- Option-D
Question30:-The stiffness matrix of a beam element is given by *((2El)/(L)) [[2,1],[1,2]] . Then flexibility matrix is
‏((اع6)/نا))”‎ ]]2,-11,]-1,21['
(0/2) [12,1111,211'
(0/൫) 11-24-2൮
0:- (()/58)) [2,-11|[-1,2]]
Correct Answer:- Option-A
Question31:-Allowable shear stress in an unstiffened web of a steel beam of grade 250 N//mm*(2)*
A:-250 N/mm*(2)°
8:-100 ॥/ ന്ന )2(“
(:-165 ॥/॥17 (2)
0:-150 ॥/ 117 (2):
Correct Answer:- Option-B
Question32:-The plastic modulus of a section is 4.8 *xx* ‘10*(-4)° *m*(3)° . The shape factor is 1.2. The plastic moment
capacity of the section is 120 KNm. The yield stress of the material is
A:-100 MPa
B:-240 MPa
C:-250 MPa
D:-300 MPa
Correct Answer:- Option-C
Question33:-The effective length of a compression member held in position and restrained in direction at both ends in terms
of actual length 'L' is
൧:-0.8 ح١‎
B:-0.65 L
சேட்‌
0:-1.5 1
Correct Answer:- Option-B
Question34:-The efficiency of sedimentation tank for a given discharge can be increased by
A:-increasing surface area of tank
B:-decreasing depth of tank
C:-increasing depth of tank
D:-decreasing surface area of tank
Correct Answer:- Option-A
Question35:-The type of boring/drilling used in site exploration of rock formations is
A:-Auger boring
B:-Wash boring
C:-Percussion boring
D:-Rotary boring
Correct Answer:- Option-C
Question36:-The most commonly used disinfectant in public distribution systems in India is
A:-Alum
B:-Lime
C:-Chlorine
D:-Potassium permanganate
Correct Answer:- Option-C
Question37:-The permissible limit for iron in drinking water according to latest Indian standard (IS 10500, 2012) is
‏1-:۸ھ‎ mg/L
B:-0.3 mg/L
C:-0.6 mg/L
D:-0.5 mg/L
Correct Answer:- Option-B