MCQ
1141. The assumption on which the trapezoidal formula for volumes is based, is-
The end sections are parallel planes
The mid-area of a pyramid is half the average area of the ends
The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied
All the above
1142. 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
b-rd) 2/(r-s)
b-rd) 2/(r+s)
1/2(b+rd) 2/(r-s)
b-rd) 2/(s-r)
1143. The excavation exceeding 1.5 m in width and 10 sq.m in plan area with a depth not exceeding 30 cm. is termed as
Excavation
Surface dressing
Cutting
Surface excavation
1144. সিমেন্টের স্পেসিফিক গ্রাভিটি কত?
2.67
2.15
3.15
3.5
1145. নিচের কোন উপাদানটি কাচের স্বচ্ছতা বৃদ্ধি করে?
সোডিয়াম
ম্যাগনেসিয়াম
সিলিকা
অ্যালুমিনা
1146. For the construction of buildings, the subheads of the estimate are
Earthwork, Concrete work, Brick work
Brickwork, Stone work, Roofing
Brickwork Flooring, Wood work, Steel work
All the above
1147. As per Indian Standard Specifications, the peak discharge for domestic purposes per capita per minute, is taken
1.80 litres for 5 to 10 users
1.20 litres for 15 users
1.35 for 20 users
All the above
1148. Pick up the correct statement from the following:
If the bed level is above N.S.L. the canal is called fully in baking and the berms are designed as 3 d where d is full supply depth of water (F.S.D.)
Area of canal in cutting BD + Sd 2 where B-bed width, d depth of cutting and S is the side slope
If F.S.L. is above N.S.L the canal is called partly in cutting and partly in filling and berms are designed as 2d where d is full supply depth
All the above
1149. Cost of fittings and their fixing is specified for the following sanitary fittings
Water closets
Flushing pipes
Lavatory basins
All the above
1150. Pick up the excavation where measurements are made in square metres for payment.
Ordinary cuttings up to 1 m
Surface dressing up to 15 cm depths
Surface excavation up to 30 cm depths
Both (b) and (c)
1151. In long and short wall method of estimation, the length of long wall is the centre to centre distance between the walls and-
Breadth of the wall
Half breadth of wall on each side
One fourth breadth of wall on each side
None of these
1152. In the mid-section formula
The mean depth is the average of depths of two consecutive sections
The area of mid-sections is calculated by using mean depth
The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections
All of the above
1153. সিমেন্টের গুণাগুণ নির্ণয়ের জন্য কয়টি করীক্ষা করা হয়?
5
7
6
8
1154. সিমেন্টের ফাইনাল সেটিং টাইম কত?
10 Hour
8 Hour
6 Hour
4 Hour
1155. Pick up the correct statement from the following:
Pointing is measured in sq.m
Plastering is measured in sq.m
Glazing is measured in sq.m
All the above
1156. The expected out turn of cement concrete 1:2: 4 per mason per day is-
1.5 m3
2.5 m3
3.5 m3
5.0 m3
1157. The value of 'B' of Indian type W.C. shown in the given figure is:
45 cm
50 cm
30 cm
25 cm
1158. Pick up the incorrect statement from the following:
No deduction is made for the volume occupied by reinforcement
No deduction is made for the openings upto 0.1 sq.m
No deduction is made for volumes occupied by pipes, not exceeding 100 sq.cm in crosssection
None of these
1159. The value of 'C' of Indian type W.C. shown in the given figure is-
400 mm
450 mm
500 mm
550 mm
1160. Pick up the incorrect statement from the following:
Lead is the average horizontal straight distance between the borrow pit and the place of spreading soil
The lead is calculated for each block of the excavated area
The unit of lead is 50 m for a distance upto 500 m
The unit of lead is 1 km where the lead exceeds 2 km