MCQ
161. The rate of rise or fall of the road surface along its length, is called-
cant
gradient
superelevation
banking
ব্যাখ্যা: ব্যাখ্যা: আনুভূমিকের সাপেক্ষে রাস্তার উঁচু-নিচুর হারকে গ্রেডিয়েন্ট বা ঢাল বলে, যা সমতল রাস্তার ক্ষেত্রে 1:15 ধরা হয়।
162. The raising of outer edge of the road above the inner edge is known as-
superelevation
banking
cant
all of these
ব্যাখ্যা: ব্যাখ্যা: ক্যান্ট বলতে এলিভেশনের পার্থক্য বুঝায়। সুপার এলিভেশন ব্যাংকিং হিসেবে পরিচিত, তাই উত্তর সবগুলো।
163. The thickness of base, is no case, should be more than-
0cm
20cm
15cm
30cm
164. The roads connecting capital cities of states are called-
national highway
state highway
express way
capital highway
165. The reception signal is- [MES-16]
outer signal
home signal
both a & b
none of these
166. The asphalt naturally available is
Surface asphalt
Lake asphalt
Rock asphalt
All of above
167. The equilibrium super-elevation is given by-
V^2/R
V^2/(gR)
(GV^2)/127R
None of these
168. The foundation of a road is also called-
soling
base
either a or b
none of these
169. The value of maximum gradient for hill roads is-
1 in 5
1 in 12
1 in 15
1 in 20
ব্যাখ্যা: ব্যাখ্যা
সমতল অঞ্চলে গ্রেডিয়েন্ট 1:15 এবং পার্বত্য অঞ্চলে গ্রেডিয়েন্ট 1:12
170. The term used for major important roads of a country is-
country road
urban road
highway
none of these
171. The camber of road should be approximately equal--- to the longitudinal gradient.
one-half
two times
three times
four times
172. A road connecting two towns is called
country road
urban road
highway
none of these
173. Carriage-way is protected by --- wide shoulders.
0.5 to 1.25
1.25 to 2
2 to 4
4 to 6
174. The slope of the line joining the crown and edge of the road surface is known as-
cross-fall
camber
cross-slope
any one of these
175. The Central Road Organisation (CRO) was set up in-
1930
1948
1934
1956
176. The camber recommended for water-bound macadam roads is-
1 in 24 to 1 in 30
1 in 30 to 1 in 48
1 in 48 to 1 in 60
1 in 60 to 1 in 80
177. 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
178. The shape of a the camber provided for cement concrete pavement is-
straight line
elliptical
parabolic
none of these
179. The road surfacing should be-
impervious
stable
durable
all of these
180. The superstructure of a road is called-
wearing layer
wearing course
road surface
any one of these