A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is A. B. C. D. ?
(A) 090
(B) 095
(C) 100
(D) 105
Sunlight_________________ ?
(A) helps growth of bacterias
(B) impedes growth of algae
(C) increases dissolved oxygen content
(D) reduces turbidity
The yield of a rapid gravity filter as compared to that of slow sand filter, is__________________?
(A) 10 times
(B) 15 times
(C) 20 times
(D) 30 times
(D) 35 times
The fire demand of a city may be worked out by _________________?
(A) Kuichling’s formula
(B) Freeman formula
(C) Under Writers formula
(D) Bustan’s formula
(D) All the above.
Where a structural component or a system is providing lateral support to five or more walls or columns, the lateral load to be resisted may be taken as_______________?
(A) 4 percent
(B) 5 percent
(C) 6 percent
(D) 7 percent
If H is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be________________?
(A) 0.75 H
(B) 0.85 H
(C) 1.0 H
(D) 1.5 H
If the horizontal cross-sectional area of a wall is 1200 cm2, then the basic stress shall be multiplied by a reduction factor equal to________________?
(A) 0 6
(B) 0.75
(C) 0.85
(D) 0.95
The bending stress in a wall or column subjected to effective vertical load need not be considered, if the eccentricity ratio is_________________?
(A) less than or equal to 1/24
(B) less than or equal to 1/6
(C) more than 1/24
(D) less than or equal to 1/12
According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for________________?
(A) Boarding schools
(B) Nurses home and medical quarters
(C) hostels
(D) all the above
The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level_______________?
(A) 1500 m
(B) 1505 m
(C) 1475 m
(D) 1485 m