MCQ
161. The roads connecting capital cities of states are called-
national highway
state highway
express way
capital highway
162. The reception signal is- [MES-16]
outer signal
home signal
both a & b
none of these
163. Carriage-way is protected by --- wide shoulders.
0.5 to 1.25
1.25 to 2
2 to 4
4 to 6
164. The shape of a the camber provided for cement concrete pavement is-
straight line
elliptical
parabolic
none of these
165. The asphalt naturally available is
Surface asphalt
Lake asphalt
Rock asphalt
All of above
166. The term used for major important roads of a country is-
country road
urban road
highway
none of these
167. The thickness of base, is no case, should be more than-
0cm
20cm
15cm
30cm
168. 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
169. The road surfacing should be-
impervious
stable
durable
all of these
170. The superstructure of a road is called-
wearing layer
wearing course
road surface
any one of these
171. The camber of road should be approximately equal--- to the longitudinal gradient.
one-half
two times
three times
four times
172. The equilibrium super-elevation is given by-
V^2/R
V^2/(gR)
(GV^2)/127R
None of these
173. 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।
174. The Central Road Organisation (CRO) was set up in-
1930
1948
1934
1956
175. 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।
176. The foundation of a road is also called-
soling
base
either a or b
none of these
177. 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
178. 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
179. 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
180. A road connecting two towns is called
country road
urban road
highway
none of these