ট্রান্সপোর্টেশন ইঞ্জিনিয়ারিং MCQ
141. কেন্দ্রাতিগ অনুপাত রেলসড়কে কত? [BBA-23]
ব্যাখ্যাঃ রেলসড়কে কেন্দ্রাতিগ অনুপাত = 1/8
সড়কপথে কেন্দ্রাতিগ অনুপাত = 1/4
১/৪
১/৮
১/৬
১/১০
142. Round spikes are not used for fixing --- rails on wooden sleepers.
flat footed
double headed
bull headed
all of these
143. The number of sleepers used per rail length on the track is known as-
sleeper strength
sleeper density
sleeper ratio
all of these
144. The best wood for sleepers is-
sal
teak
deodar
chir
145. A track is laid over-
sleepers
rails
formation
ballast
146. To keep the railway yard dry, the ballast used is-
sand
coal ash
broken stone
both a and b
147. Superelevation on curves is provided by means of-
cant-board
spirit level
straight edge
all of these
148. The main device used for interlocking is-
point lock
detector
treadle bar
all of these
149. Which of the following is a cast-iron sleeper?
box sleeper
pot sleeper
plate sleeper
all of these
150. The minimum depth of ballast for broad gauge tracks on Indian railways is-
200mm
300mm
250mm
350mm
151. কোন ধরনের রেলপথ সবচেয়ে চওড়া? [BPSC-22]
ব্যাখ্যা: রেলপথের চওড়াগুলো হলো-
১। ব্রড গেজ- ১৬৭৬ মিমি
২। মিটার গেজ- ১০০০ মিমি
৩। ন্যারো গেজ- ৭৬২ মিমি
Narrow Gauge
Broad Gauge
Mitre Gause
Mix Gauge
152. To prevent the change in gauge and creep, the steel sleepers are fixed by clips, bolts and-
one key
two keys
three keys
four keys
153. The largest dimension of a rail section is-
head width
height
foot width
all of these
154. In coning of wheels, the wheels are given a slope of-
1 in 20
1 in 25
1 in 30
1 in 40
155. Creep is the----- movement of rails.
longitudinal
lateral
vertical
156. The gauge is widened on curves of -----4.5° curvature.
equal to
less than
more than
infinity
157. The mass of a rail chair is about-
10kg
22kg
15.6kg
30kg
158. The rail seat is given a slope of-
1 in 20
1 in 40
1 in 10
1 in 30
159. The width of top portion of a flat- footed rail is-
66.67mm
73.25mm
69.80mm
75.87mm
160. The track from which train diverts is known as-
turn-out
crossing track
main line
point