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Monday, April 30, 2012

Earth Science Practice Paper For IOCL Test

Earth Science Practice Paper For IOCL Test
Free Online Geology Paper
Q. 1 : The part where the dam comes in contact with the ground
on the upstream side is called :
(a) Heel
(b) Toe
(c) Abutment
(d) Sluice
ANSWER: (a)
Q. 2: The part where the dam comes in contact with the ground on the downstream side is
Called:
(a) Abutment
(b) Toe
(c) Heel
(d) Spill way.
ANSWER: (b)
Q. 3 : A dam in which entire forces acting on it are directly transmitted to the foundation
rock is known as :
(a) Gravity dam
(b) Arch dam
(c) Buttress dam
(d) Earthen dam
ANSWER: (a)
Q. 4: What type of rivers is most suitable for construction of dams?
(a) Influent
(b) Effluent
(c) Insulated
(b) All the above.
ANSWER: (b)
Q.5: Forces acting a dam is/are due to:
(a) Water thrust
(b) Weigh of dam itself
(c) Uplift pressure
(d) All the above.
ANSWER: (d)
Q. 6: The water stored in the reservoir below the minimum pool level is called:
(a) Valley storage
(b) Useful storage
(c) Dead storage
(d) None of these.
ANSWER: (c)
Q. 7: The forces considered for the analysis of an elementary profile of a gravity dam
Under empty reservoir condition is:
(a) Water pressure
(b) Uplift pressure
(c) Self weight
(d) Earthquake pressure.
ANSWER:(c)
Q. 8: ln a gravity dam, tail water causes:
(a) Decrease in shear stress
(b) Decrease in principal stress
(c) Both (a) and (b) above
(d) None of these.
ANSWER:(c)
Q. 9: The elementary profile of a dam is:
(a) A trapezoidal.
(b) A right angled triangle
(c) A rectangle
(d) None of the above.
ANSWER:(b)
Q. 10: Length and Height of the Safdar Samovar dam are:
(a) 1210 mtrs and 138 mtrs respectively
(b) 1300 mtrs and 150 mtrs, respectively
(c) 1550 mtrs and 120 mtrs respectively
(d) 1610 mtrs and 100 mtrs respectively.
ANSWER:(a)
Q. 11: Vertical acceleration due to earthquakes results in:
(a) Increase in the effective weight of the dam.
(b) A decrease in the effective weight of the dam.
(c) Any of the both (a) and (b)
(d) None of these.
ANSWER:(c)
Q. 12: ln gravity dam, the main overturning force is:
(a) Wind pressure
(b) Water pressure
(c) Uplift pressure
(d) Self weight of the dam.
ANSWER:(b)
Q. 13: The important geological requirements which should be considered in the selection
of a dam site is/are :
(a) Narrow river valley
(b) Occurrence of the bed rock at a shallow depth
(c) Competent rocks and proper geological structures.
(d) All the above.
ANSWER:(d)
Q. 14: The most suitable material for the central impervious core of a
zoned embankment type dam is :
(a) Clay
(b) Clay mixed with line sand.
(c) Compacted soil
(d) Course sand.
ANSWER :(b)
Q. 15: The obstruction across the river required to raise its water level and direct the water
into the cannel is called :
(a) Guide bank
(b) Divide wall
(c) Weir
(d) Sluice.
ANSWER :(c)
Q. 16: The name of the Bhaskara dam’s reservoir is:
(a) Sardar samovar reservoir
(b) Ramgarh reservoir
(c) Govind Sagar reservoir
(d) Sutlej reservoir
ANSWER :(c)
Q. 17: The rock types exposed in and around the Nagarjun Sagar dam site are:
(a) Granites only
(b) Granite gneisses
(c) Sandstones
(d) Sandstones interbedded with clay beds.
ANSWER :(b)
Q. 18: Match the following columns:
I 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.19: Which earthquake is thought the best example of RIS :
(a) Uttarkasu earthquake
(b) Laure earthquake
(c) Koyna earthquake
(d) Kutch Earthquake.
ANSWER:(c)
Q. 20: Tehri darn is being constructed across:
(a) Ghaghara river
(b) Chambal river
(c) Bhagirathi river
(d) Ganga river.
ANSWER:(c)
Q. 21 : 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.22: Strain is:
(a) The change of form produced in a piece by the action of load.
(b) The change in metals.
(c) The result of load application on a body
(d) The change in shape and direction in metal.
Answer: (b)
Q.23: The young modulus of a material is equal to:
(a) Stress/strain within the elastic limit
(b) Stress/strain within the yield point.
(c) Strain/stress the elastic limit.
(d) None of these.
Answer: (a)
Q.24: A brittle material has:
(a) Large plastic zone
(b) No plastic zone
(c) No elastic zone
(d) Very little elastic zone.
Answer: (b)


Q.25: A body having similar properties throughout its volume is said to be:
(a) Isentropic
(b) Anisotropic
(c) Isotropic
(d) Homogeneous.
Answer: (d)

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