The cross-section of a road partly in banking and partly in cutting is shown in the given figure. The area of the shaded portion is
A. 3 1 × r − s ( b − rd ) 2
B. 3 1 × r + s ( b − rd ) 2
C. 2 1 × r − s ( b + rd ) 2
D. 3 1 × s − r ( b − rd ) 2
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Pick up the item whose weight is added to the weight of respective item, is
A. Cleats
B. Brackets
C. Bolts
D. All the above
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Brick walls are measured in sq. m if the thickness of the wall is
A. 10 cm
B. 15 cm
C. 20 cm
D. None of these
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The item of steel work which is measured in sq.m, is
A. Collapsible gates
B. Rolling shutters
C. Ventilators and glazing
D. All the above
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The item of the brick structure measured in sq.m, is
A. Reinforced brick work
B. Broken glass coping
C. Brick edging
D. Brick work in arches
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The following item of earth work is not measured separately.
A. Setting out of works
B. Site clearance
C. Steps in deep excavation
D. All the above
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The trap which is provided to disconnect the house drain from the street sewer is called
A. Master trap
B. Intercepting trap
C. Interception manhole
D. All the above
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Pick up the excavation where measurements are made in square meters for payment.
A. Ordinary cuttings up to 1 m
B. Surface dressing up to 15 cm depths
C. Surface excavation up to 30 cm depths
D. Both (B) and (C)
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A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2 : 1, the earth work involved.
A. 26,000 m3
B. 26,500 m3
C. 27,000 m3
D. 27,500 m3
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The floor area includes the area of the balcony up to
A. 100 %
B. 75 %
C. 50 %
D. 25 %
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In case of laying gullies, siphons, intercepting traps, the cost includes
A. Setting and laying
B. Bed concreting
C. Connection to drains
D. All of these
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The minimum width of a septic tank is taken
A. 70 cm
B. 75 cm
C. 80 cm
D. 90 cm
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The total length of a cranked bar through a distance (d) at 45° in case of a beam of effective length L, is
A. L + 0.42 d
B. L + (2 × 0.42 d)
C. L - (0.42 d)
D. L - (2 × 0.4 d)
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The correct Prismoidal formula for volume is
A. D [first area + last area + Ʃ Even area + 2 Ʃ odd areas]
B. 3 D [first area + last area + 4 Ʃ Even area + 2 Ʃ odd areas]
C. 3 D [first area + last area + 2 Ʃ Even area + 4 Ʃ odd areas]
D. 6 D [first area + last area + 2 Ʃ Even area + 4 Ʃ odd areas]
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The assumption on which the trapezoidal formula for volumes is based, is
A. The end sections are parallel planes
B. The mid-area of a pyramid is half the average area of the ends
C. The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied
D. All the above
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