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PRACTICE PAPER Q1. A thin-walled long cylindrical tank of inside radius r is subjected simultaneously to
internal gas pressure p and axial
compressive force F at its ends. In order to produce pure shear
state of stress in the wall of the
cylinder,F should be equal to (a) ppr2
(b) 2ppr2
(c) 3ppr2
(d) 4ppr2 Ans: (c)
Q2. The maximum value of Poissons ratio for an elastic material is
(a) 0.25
(b) 0.5 (c) 0.75
(d) 1
Ans: (b)
Q3. For a linear elastic structural system, minimization of potential
energy yields (a) compactibility conditions
(b) constitutive relation
(c) equilibrium equation
(d) strain displacement relation Ans: (a)
Q4. Maximum strain in extreme fibre of concrete and in tension reinforcement (Fe415 and E5 =
200 kN/mm2) in a balanced
section at limit state of flexure are respectively
(a) 0.0035, 0.0038
(b) 0.002, 0.0018 (c) 0.0035, 0.0041
(d) 0.002, 0.0031
Ans: (a)
Q5. Workability of concrete mix with low water cement ratio is
determined by
(a) tensile strength test (b) slump test
(c) compaction factor test
(d) flexural strength test Ans: (c)
Q6. The most economical section for a column, is (a) Rectangular
(b) solid round
(c) flat strip (d) tubular section
Ans: (d)
Q7. For a saturated sand deposit, the void ratio and the specific
gravity of solids are 0.70 and
2.67, respectively. The critical (upward) hydraulic gradient for
the deposit would we
(a) 0.54 (b) 0.98
(c) 1.02
(d) 1.87
Ans: (b)
Q8. The specific gravity and in-situ void ratio of a soil deposit
are 2.71 and 0.85 respectively. The value of critical hydraulic
gradient is
(a) 0.82 (b) 0.85
(c) 0.92
(d) 0.95 Ans: (c)
Q9. A compacted soil sample using 10% moisture content has
a weight of 200 g and mass unit weight of 2.0 g/cm3. If the
specific gravity of soil particles
and water are 2.7 and 1.0, the degree of saturation of the soil is
(a) 11.1%
(b) 55.6% (c) 69.6%
(d) none of these.
Ans: (c)
Q10. The ratio of pressures between two points at depth 1 m
and 2 m below water is (a) 1: 1
(b) 1: 2
(c) 1: 4
(d) 1: 2 Ans: (b)
Q11. Stream line inside a boundary layer over a flat plate is (a) parallel
(b) diverge
(c) converge (d) normal to flow direction
Ans: (b)
Q12. Standard rain guage adopted in India is
(a) Natural siphon type
(b) Symons rain guage
(c) Tipping bucket type (d) Weighing type
Ans: (a)
Q13. A water treatment plant is required to process 28800 m3 /d
of raw water (density = 1000 kg/m3, kinematic viscosity = 106
m 2 /s). The rapid mixing tank
imparts a velocity gradient of 900s1 to blend 35 mg/l of alum
with the flow for a detention time
of 2 minutes. The power input
(W) required for rapid mixing is (a) 32.4
(b) 36
(c) 324 (d) 32400
Q14. Group I contains some properties of water/wastewater and group II contains list of some
tests on water/waste water.
Match the property with corresponding test Group I
Group II P. Suspended solids
concentration
1. BOD Q. Metabolism of biodegradable
2. MPN organics R. Bacterial
concentration 3. Jar test S. Coagulant dose
4. Turbidity Codes: P QR S P Q R
S (a) 2 1 4 3
(b) 4 1 2 3
(c) 2 4 1 3 (d) 4 2 1 3
Ans: (b)
Q16. What is the intermediate sight distance (ISD) for a design
speed of 50kmph with coeff. of
friction 0.37? (a) 61.3 m
(b) 30.6 m
(c) 122.6 m (d) none of these
Ans: (b)
Q17. Ring and ball test apparatus is used to measure
(a) Viscosity
(b) softening point (c) consistency
(d) durability
Ans: (b)
Q18. What is the number of conflict points in an 2 road
interaction when both roads are
two way. (a) 6
(b) 12
(c) 24
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(d) 36 Ans: (c)
Q19. The magnetic bearing of a line AB was N 59 30c W in the year 1967, when the declination
was 4 10c E. If the present
declination is 3W, the whole circle bearing of the line is
(a) 299 20c
(b) 307 40c
(c) 293 20c (d) 301 40c
Ans: (c)
Q20. Setting out of a curve using two theodolite methods involves
with
(a) Linear measurement only (b) angular measurements only
(c) one linear and one angular
measurements (d) one linear and two angular
measurement.
Ans: (b)
Q21. Geodetic surveying is undertaken
(a) for production of accurate
maps of wide areas (b) for developing the science of
geodesy
(c) making use of most accurate instruments and methods of
observation
(d) for determination of accurate positions on the earth's surface
of system of control points
(e) all the above. Ans:
Q22. If a beam of rectangular cross-section is subjected to a
vertical shear force V, the shear
force carried by the upper one-third of the cross-section is
(a) zero
(b) 7V/ 27 (c) 8V/ 27
(d) V/3
Ans: (b)
Q23. In a linear elastic structural element
(a) stiffness is directly proportional to flexibility
(b) stiffness is inversely
proportional to flexibility
(c) stiffness is equal to flexibility (d) stiffness and flexibility are not
related
Ans: (b)
Q24. Ratio of stiffness of a beam at the near end when the far end
is hinged to the stiffness of the beam at the near end when the
far end is fixed is
(a) 1/2 (b) 3/4
(c) 1
(d) 4/3
Ans: (b)
Q25. An RC square footing of side length 2 m and uniform effective
depth 200 mm is provided for 300 mm 300 mm column. The
line of action of the vertical
compressive load passes through the centroid of the footing as well
as of the column. If the
magnitude of the load is 320 kN, the nominal transverse (one way)
shear stress in footing is
(a) 0.26 N/mm2
(b) 0.3 N/mm2 (c) 0.34 N/mm2
(d) 0.75 N/mm2
Ans: (a)
Q26. If fineness modulus of sand is 2.5, it is graded as
(a) very fine sand (b) fine sand
(c) medium sand
(d) coarse sand Ans: (b)
Q27. When a tension member is made of four angles with a plate
as a web, the allowance for holes is made as
(a) two holes for each angle and
one hole for the web (b) one hole for each angle and
one hole for the web
(c) one hole for each angle and two holes for the web
(d) two holes for each angle and
two holes for the web Ans: (c)
Q28. Compaction by vibratory roller is the best method of compaction is case of
(a) moist silty sand
(b) well graded dry sand
(c) clay of medium compressibility
(d) silt of high compressibility
Ans: (b)
Q29. The critical gradient of soil increases with
(a) increase in void ratio (b) decrease in specific gravity
(c) decrease in void ratio
(d) none of these Ans: (c)
Q30. A partially saturated sample of soil has a unit weight of 2.0 g/cm3 and specific gravity of soil
particles is 2.6. If the moisture
content in the soil is 20%, the
degree of saturation is (a) 20%
(b) 77%
(c) 93% (d) none of these.
Ans: (a)
Q31. According to Newtons law of viscosity, shear stress is
(a) inversely proportional to
angular deformation (b) directly proportional to
angular deformation
(c) inversely proportional to rate
of angular deformation (d) directly proportional to rate of
angular deformation
Ans: (d)
Q32. On an immersed body in a flowing fluid the lift force is
(a) due to buoyant force (b) always in opposite direction of
gravity
(c) due to wake phenomenon (d) dynamic fluid force
component normal to approach
velocity Ans: (a)
Q33. Which of the following rain guages give mass curve?
(a) Natural siphon type (b) Weighting bucket type
(c) Tipping bucket type
(d) Both Ans: (d)
Q34. Consider the following unit processes commonly used in water treatment; rapid mixing
(RM), flocculation
(F), primary sedimentation (PS), secondary sedimentation (SS),
chlorination
(C) and rapid sand filteration
(RSF). The order of these unit processes (first to last) in a
conventional water treatment
plant is (a) PS - RSF - F - RM - SS - C
