Earth Science (Geology) Objective Sample Test
Geology Online Test
Q.1: Match the following columns:
I II
1. Bhakra dam i) Earthen dam
2. Indukki dam (ii) Concrete gravity dam
3. Beas dam (iii) Masonry dam
4. Krishna raja Sagar dam (iv) Concrete arch dam.
(a) 1-i, 2-ii, 3-iii, 4-iv.
(b) 1-ii, 2-iv, 3-i, 4-iii.
(c) 1-iv, 2-iii, 3-ii, 4-i.
(d) 1-ii, 2-iv, 3-iii, 4-i
ANSWER:(b)
Q. 2: Which earthquake is thought the best example of RIS :
(a) Uttarkasu earthquake
(b) Laure earthquake
(c) Koyna earthquake
(d) Kutch Earthquake.
ANSWER:(c)
Q. 3: Tehri darn is being constructed across:
(a) Ghaghara river
(b) Chambal river
(c) Bhagirathi river
(d) Ganga river.
ANSWER:(c)
Q. 4 : To facilitate the work of dam foundation the normal flow of river water is diverted
through the tunnels, dug along the valley sides. These tunnels are known as :
(a) Pressure tunnels
(b) Discharge tunnels
(b) Transportation tunnels
(d) Diversion tunnels
ANSWER:(d)
Q.5: The Bhakra dam is located on:
(a) Sandstones only
(b) Sandstones interbedded with clay stones and siltstones
(c) Gneissic complex
(d) Clayey formation
ANSWER :(b)
Q6: Match the following columns:
I ll
1. Nagarjun Sagar dam (i) Remand River
2. Obra dam (ii) Sutlej river
3. Bhakra dam (iii) Krishna river
4. Sardar samovar dam (IV) Narmada River
(a) 1-ii, 2-i, 3-iii, 4-iv
(b) 1-i, 2-ii, 3-iii, 4-iv.
(c) 1-iv, 2-iii, 3-i, 4-ii.
[d) 1-iii, 2-4, 3-ii, 4-iv.
ANSWER :(d)
Q. 7: Extensive scour erosion commonly results downstream from a new dam, because:
(a) Presence of soft rocks
(b) More sediment load in the river water
(c) The clear water in the river downstream of the dam, since most sediments is trapped in the
reservoir.
(d) More sediment load and high velocity in river water.
ANSWER:(c)
Q. 8 : RIS stands for :
(a) Reservoir induced strength
(b) Risk in seismicity
(c) Reservoir induced seismicity
(d) Reservoir induced storage.
ANSWER:(c)
Q. 9: What was the magnitude of Koyna earthquake occurred on Dec. 10, 1997?
(3) 5.8
(b) 6.3
(c) 6.8
(d) 7.1
ANSWER:(b)
Q. 10: Bed rocks at Tehri dam site are:
(a) Granites
(b) Shales and sandstones
(c) Phyllites
(d) Quartzites
ANSWER:(c)
Q.11: The quantity of rock broken and removed is excess of what is required by perimeter
of the proposed tunnel is known as:
(a) Overburden
(b) Over break
(b) Excavated load
(d) Overload.
Answer: (b)
Q.12: The main factor/s which cause over break is/are:
(a) Presence of closely spaced joints and fractures
(b) Presence of thinly bedded rocks
(c) Presence of more moisture content in the rock.
(d) All the above are correct.
Answer: (d)
Q.13: ln some case of shallow tunnels, an inverted arch has to be put on the floor of the
Tunnel:
(a) To prevent sliding
(b) To prevent the wet material being pushed up to the tunnel.
(c) To facilitate the traffic
(d) None of these.
Answer: (b)
Q.14: Which situation, for construction of a tunnel is safer?
(a) Tunnel along the axis of an anticline.
(b) Tunnel across the axis of an anticline
(c) Tunnel along the axis of a syncline
(d) Tunnel across the axis of a syncline.
Answer: (a)
Q.15: The Konkan railway is laying for a distance of:
(a) 670 km
(b) 760 km
(c) 800 km
(d) 890 km
Answer: (b)
Q.16: The Konkan railway has to pass through .... tunnels of .... total length:
(a) 71 tunnels and 100 km respectively
(b) 60 tunnels and 90 km respectively
(c) 71 tunnels and 75 km respectively
(d) 55 tunnels and 50 km respectively
Answer: (c)
Q.17: The rock types encountered along the alignment of the Jawahar tunnel are
(a) Traps and limestones
(b) Traps and slates
(c) Traps, slates agglomerates and granites.
(d) Traps, slates, agglomerates and limestones.
Answer: (d)
Q.18: In hard firm rocks the suitable roof of a tunnel is:
(a) Inclined roof
(b) Arched roof
(c) Flute roof
(d) Concave roof
Answer: (b)
Q.19: The factor/s which governs the stability of a bridge is/are:
(a) Lateral force
(b) Earthquake force
(c) Scouring action of river water.
(d) All the above.
Answer: (d)
Q.20: Scour at bridge piers and abutments occurs due to:
(a) Weak bed rocks
(b) Variation in flow velocity
(c) The horse-shoe vortex at the upstream face of the piers and abutments.
(d) Shallow depth of foundation of the structures.
Answer: (c)
Q.21: Bed material in a natural stream is found to decrease continually along the length of
the stream. This reduction in size is due to:
(a) Sorting action
(b) Abration
(c) Partly sorting action and partly abrasion.
(d) Partly abration and partly attrition.
Answer: (c)
Q.22: Which structure in built along the length of streams to contain floods:
(a) Levees
(b) Spurs
(c) Guide banks
(d) Both spurs and guide banks.
Answer: (a)
Q.23: For a river to be navigable, it should have:
(a) High water discharge
(b) Low water discharge
(c) Very shallow depth
(d) None of these.
Answer: (b)
Q.24: "Earth’s rotation theory" states that the meanders in a river are formed due to:
(a) Carioles force
(b) Helicoidally or secondary flow.
(c) Excess energy in the river water
(d) Excess load in the river water.
Answer: (a)
Q.25: The best condition/s for construction of a bridge is/are that:
(a) lt should be located in a straight reach of the river.
(b) It should be located at the small river width.
(c) lt should be located between two successive bends of a meandering river.
(d) All the above.
Answer: (d)
No comments:
Post a Comment