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MCQ
25381. A road connecting two towns is called
country road
urban road
highway
none of these
25382. The asphalt naturally available is
Surface asphalt
Lake asphalt
Rock asphalt
All of above
25383. The foundation of a road is also called-
soling
base
either a or b
none of these
25384. The stopping sight distance of a vehicle moving with 45 kmph (coefficient of friction is 0.4 and reaction time is 2.5 sec) is [BB-20]
48m
49m
50m
51m
25385. What is the weight for 1 cft RCC slab of thickness 0"-4"? [MES-16]
150 lb
100 lb
50 lb
60 lb
ব্যাখ্যা 4''*150/12=50 lb
25386. How many parts of a pavement? [BREB-17]
3
5
4
6
There are 4 part of a pavement such as subgrade, sub- base. Base course and surface course or wearing course,
25387. The top of the ground on which the foundation of road rests, is called- [MOD-20]
sub-grade
base
soling
wearing layer
25388. The Central Road Organisation (CRO) was set up in-
1930
1948
1934
1956
25389. For the water-bound macadam road, the recommended camber is-
1 in 24 to 1 in 30
1 in 30 to 1 in 48
1 in 48 to 1 in 80
1 in 80 to 1 in 120
25390. Carriage-way is protected by --- wide shoulders.
0.5 to 1.25
1.25 to 2
2 to 4
4 to 6
25391. The reception signal is- [MES-16]
outer signal
home signal
both a & b
none of these
25392. Calculate effective length of Road on a highway given the overall thickness is 500 mm and thickness of wearing course is 80 mm (x is 3.6m). [BB-20]
4.76m
34.8m
2.34m
1.45m
Overall thickness = 500mm = 0.5m Thickness of wearing course 80mm (x=3.6m)=.08m Effective length of road = 3.6+2(0.5+0.08)= 4.76m.
25393. The roads connecting capital cities of states are called-
national highway
state highway
express way
capital highway
25394. Penetration test on bitumen is used to determine its- [HED-19]
Grade
Viscosity
Ductility
All of these
25395. The highest point on road surface is called [MOD-20]
crown
camber
gradient
berm
25396. A water-bound macadam road is an example of- [BGFCL-17]
rigid pavement
semi-rigid pavement
flexible pavement
none
A pavement which consists of a mixture of a asphalticor bituminous matedrial and aggregate placed on a good quality and compacted granular material is termed as flexible pavement. Example- Water bound macadam road.
25397. The main function of railway sleepers is to- [MOCA-19]
support the rails
keep the two rails at correct gauge
distribute the load coming on the rails & the ballast
all the above
25398. The term used for major important roads of a country is-
country road
urban road
highway
none of these
25399. Level crossing' is a- [MOD-20]
regulatory sign
warning sign
informatory sign
none of these
25400. Asphalt cement usually used in Bangladesh has the penetration range of- [MES-16]
AC 40-50
AC 85-100
AC 60-70
AC 120-150