Papers) SSC Junior Engineer Exam Paper - 2017 "held on
23-JAN-2018" Morning Shift-General Engineering (Civil, Electrical, Mechanical)
QID : 101 - Which one of the following brick is suitable for the
high-class brick masonry?=
1) Bull nose bricks
2) Jhumb bricks
3) Modular bricks
4) Under burnt bricks
Correct Answer: Modular bricks
QID : 102 - Which of the following is the correct reason for soaking the
brick in water before its use?
1) For preventing adsorption of moisture from mortar by bricks
2) For reducing air void
3) For reducing efflorescence
4) For cleaning
Correct Answer: For preventing adsorption of
moisture from mortar by bricks
QID : 103 - Which of the following compound affects the ultimate strength
of cement?
1) Dicalcium silicate
2) Tetracalcium alumino-ferrite
3) Tricalcium aluminate
4) Tricalcium silicate
Correct Answer: Dicalcium silicate
QID : 104 - Refractory bricks are generally used to resist _____.
1) chemical action
2) dampness
3) high temperature
4) weathering action
Correct Answer: high temperature
QID : 105 - Which of the following is the correct percentage of maximum
moisture content based in sand where change in volume is maximum?
1) 5%
2) 9%
3) 12%
4) 15%
Correct Answer: 5%
QID : 106 - Which one of the following cement is best for the marine
works?
1) Blast furnace slag cement
2) High alumina cement
3) Low heat Portland cement
4) Rapid hardening cement
Correct Answer: Blast furnace slag cement
QID : 107 - Which of the following is limit of the moisture content that
can be achieved in the air drying process of timber?
1) 10%
2) 15%
3) 20%
4) 28%
Correct Answer: 15%
QID : 108 - Which of the following proportion of cement and standard sand
is used in cement mortar while testing the compressive and tensile strength of
cement?
1) 1:2
2) 1:3
3) 1:4
4) 1:6
Correct Answer: 1:3
QID : 109 - Which of the following is the important factor that affects
the shrinkage of cement concrete?
1) Quantity of cement
2) Size of coarse aggregates
3) Size of the fine aggregate
4) Amount of water added during mixing of concrete
Correct Answer: Amount of water added during mixing
of concrete
QID : 110 - Calculate the proportion (in percentage) of fine aggregate in
combined aggregate so that the fineness modulus of the combined aggregate
becomes 6.4. The fineness modulus of coarse aggregate and fine aggregate in the
concrete mix is 7.6 and 2.8 respectively.
1) 20
2) 33.33
3) 35
4) 66.6
Correct Answer: 33.33
QID : 111 - Which of the following unit is used for estimation of D.P.C.
work?
1) Number
2) Cubic meter
3) Running meter
4) Square meter
Correct Answer: Square meter
QID : 112 - Calculate the quantity of the sand required (in cubic meter)
in 20 cubic meters of reinforced cement concrete (1 : 2 : 4).
1) 2.87
2) 4.4
3) 5.7
4) 8.8
Correct Answer: 8.8
QID : 113 - Deduction at cross wall for total length of the central line
is _____.
1) half of thickness of wall.
2) no deduction.
3) thickness of wall
4) twice of the thickness of wall
Correct Answer: thickness of wall
QID : 114 - Calculate the quantity of the earth works in cubic meter for a
canal embankment of 100 m long having cross section areas at the two sections
are 20 square meters and 80 square meters. Use trapezoidal method.
1) 2000
2) 5000
3) 7000
4) 10000
Correct Answer: 5000
QID : 115 - Accuracy in measurement of the area should be _____.
1) 1 square centimeter
2) 10 square centimeter
3) 100 square centimeter
4) 1 square meter
Correct Answer: 100 square centimeter
QID : 116 - For estimation of painted area of corrugated asbestos cement
sheets, percentage increase in area above the painted area is _____.
1) 10%
2) 14%
3) 20%
4) 25%
Correct Answer: 20%
QID : 117 - Which of the following is the purpose of the valuation?
1) Approximate estimation of cost
2) Analysis of rate
3) Detailed estimation of cost
4) Taxation
Correct Answer: Taxation
QID : 118 - An electric generator is installed in the building at a cost
of Rs. 50,000. Calculate the annual sinking fund (Rs.) required to be deposited
to accumulate the whole amount of 5% compound interest. Assume the life of the
electric generator as 10 years.
1) 1535
2) 30695
3) 3975
4) 79503
Correct Answer: 3975
QID : 119 - No deduction is made for opening in estimation of masonry work
up to__________
1) 1 square centimeter
2) 10 square centimeter
3) 100 square centimeter
4) 1000 square centimeter
Correct Answer: 1000 square centimeter
QID : 120 - Calculate the weight (kg) per meter length of 25 mm diameter
steel bar place at a spacing of 250 mm center by center for 1 meter.
1) 0.96
2) 3.85
3) 7.7
4) 15.43
Correct Answer: 15.43
QID : 121 - Which one is the upper limit of survey area (square kilometer)
for use of plane survey?
1) 250
2) 300
3) 350
4) 450
Correct Answer: 250
QID : 122 - Which one is the smallest scale?
1) 1 : 100
2) 1 : 500
3) 1 : 1,000
4) 1 : 2,500
Correct Answer: 1 : 2,500
QID : 123 - A line of true length 398 m when measured by a chain of 20 m
chain is recorded to be 400 m. What is the actual length of the chain (in m)?
1) 19.9
2) 20.1
3) 20.4
4) 21.5
Correct Answer: 19.9
QID : 124 - Calculate the correction for temperature for a tape of length
‘L’, if the increase in temperature is ‘T’ above the standard temperature. The
coefficient of the temperature for tape material is ‘a’.
1) aT/ L
2) - aT/ L
3) + aTL
4) - aTL
Correct Answer: + aTL
QID : 125 - What is the correct sequence of the temporary adjustment of
level?
1) Centering, leveling and setting
2) Leveling, setting and centering
3) Setting, centering and leveling
4) Setting, leveling and centering
Correct Answer: Setting, centering and leveling
QID : 126 - The values of whole circle bearing vary from _____.
1) 00 to 900
2) 00 to 1800
3) 00 to 2700
4) 00 to 3600
Correct Answer: 00
to 3600
QID : 127 - Which of the following statement is correct for proper adjustment
of the theodolite?
1) Axis of plate level is perpendicular to the horizontal axis
2) Line of collimation is perpendicular to the horizontal axis
3) Line of collimation is parallel to the vertical axis
4) Line of collimation is perpendicular to the vertical axis
Correct Answer: Line of collimation is perpendicular
to the horizontal axis
QID : 128 - Which of the followings are correct for sensitivity of the
bubble tube?
1) Sensitivity decreases with increase in internal radius of the tube
2) Sensitivity decreases with increase in diameter of the tube.
3) Sensitivity increases with decrease in length of the tube.
4) Sensitivity increases with decrease in viscosity of the liquid.
Correct Answer: Sensitivity increases with decrease
in viscosity of the liquid.
QID : 129 - Calculate the curvature correction (in m) if distance between
the instrument and staff is 500 m.
1) 0.0196
2) – 0.0196
3) 0.0028
4) – 0.0028
Correct Answer: – 0.0196
QID : 130 - Calculate the volume of the earthwork (in cubic meter) using
trapezoidal method if the cross section areas of the three section of embankment
at an interval of 20 m are 40 square meters, 50 square meters and 80 square
meters.
1) 1067
2) 1700
3) 2200
4) 3200
Correct Answer: 2200
QID : 131 - The_________ soil transported by the gravitational forces.
1) alluvial soil
2) colluvial soil
3) loess
4) till
Correct Answer: colluvial soil
QID : 132 - Which of the following is determined with the help of
pycnometer?
1) Dry density and specific gravity
2) Void ratio and dry density
3) Water content and specific gravity
4) Water content and void ratio
Correct Answer: Water content and specific gravity
QID : 133 - The cell pressure and pore water pressure is increased from
0.1 N/sq. m to 0.26 N/sq. m and 0.07 N/sq. m to 0.15 N/sq. m respectively in the
triaxial test. The Skempton’s pore pressure parameter is given by_____.
1) -3
2) -0.5
3) 0.5
4) 2
Correct Answer: 0.5
QID : 134 - Which one of the following shows time factor (approximate),
for 50% degree of consolidation?
1) 0.2
2) 0.5
3) 1
4) 2
Correct Answer: 0.2
QID : 135 - Which one of the following is true about ideal fluid?
1) It is compressible.
2) It is incompressible.
3) It has high shear force.
4) It has high value of viscosity.
Correct Answer: It is incompressible.
QID : 136 - The diameter of droplet is 0.075 mm. What is the intensity of
the pressure (N/sq. cm) developed in the droplet by surface tension of 0.000075
N/mm?
1) 0.4
2) 0.6
3) 0.8
4) 1
Correct Answer: 0.4
QID : 137 - A rectangular block of dimensions 2 m x 1 m x 1 m is floating
in the water with immersing depth of 0.5 m. What is the weight of block (kN) if
unit weight of water is 10 kN/cubic meter.
1) 5
2) 10
3) 15
4) 20
Correct Answer: 10
QID : 138 - On which principle equation of continuity is based?
1) Conservation of energy
2) Conservation of mass
3) Conservation of momentum
4) All option are correct
Correct Answer: Conservation of mass
QID : 139 - If Reynolds numbers are 1000,000, then what is the approximate
value of friction for the smooth pipe?
1) 0.1
2) 0.01
3) 0.001
4) 0.0001
Correct Answer: 0.01
QID : 140 - Which one of the following is correct for impulse turbine?
1) Always operates in submerged condition
2) Converts pressure head into velocity with the help of vanes
3) Operates by initial complete conversion to kinetic energy
4) Operates by initial complete conversion to potential energy
Correct Answer: Operates by initial complete
conversion to kinetic energy
QID : 141 - When the water drawn from the central hole made in wash hand
basin, the type of flow of water is _____.
1) forced vortex
2) free vortex
3) tangential flow
4) transitional flow
Correct Answer: free vortex
QID : 142 - Which of the following turbine is suitable to generate the
power of 10,000 hp, working at the speed of 500 rpm under a head of 81 m?
1) Propeller
2) Francis
3) Kaplan
4) Pelton
Correct Answer: Francis
QID : 143 - Calculate the specific energy (m-kg/kg) of the flow if the
velocity of flow is 2.22 m/s and depth of flow is 1 m.
1) 1.25
2) 2.22
3) 3.22
4) 4.22
QID : 144 - The sphere of diameter 0.02 m is falls in the fluid of
kinematic viscosity 10 stokes with the terminal velocity of 0.02 m/s. What is
the value of coefficient of drag on the falling sphere?
1) 40
2) 60
3) 80
4) 100
Correct Answer: 60
QID : 145 - As one moves from head of the canal to the field, the duty of
the water _____.
1) decreases
2) either increases or decreases
3) increases
4) remains constant
Correct Answer: increases
QID : 146 - Which of the following is the correct assumption of the
Kennedy’s theory?
1) Shape of regime channel is semicircular.
2) Silt is in suspension due to buoyancy force.
3) Silt is in suspension due to eddy formed from bottom of channel.
4) Silt is in suspension due to eddy formed from wetted perimeter of channel.
Correct Answer: Silt is in suspension due to eddy
formed from bottom of channel.
QID : 147 - What is the value of the lateral coefficient of the friction
as per the IRC?
1) 0.007
2) 0.01
3) 0.15
4) 0.3
Correct Answer: 0.15
QID : 148 - Calculate the safe stopping sight distance (in m) for the
descending gradient of 3% for a design speed of 80 km/h. Take coefficient of
friction as 0.35 and total reaction time as 2 seconds.
1) 110.82
2) 123.26
3) 1018.41
4) 1092
Correct Answer: 123.26
QID : 149 - Which of the following is the minimum limit (ppm) of the
dissolved oxygen that must be in the water for survival of aquatic life?
1) 1
2) 4
3) 10
4) 40
Correct Answer: 4
QID : 150 - A stream has flow of 20 cumecs and BOD concentration of 10
mg/l receives the industrial waste water having flow of 1.5 cumecs and BOD
concentration of 250 mg/l. What is the BOD concentration (mg/l) of stream at
downstream point of meeting of stream with industrial waste?
1) 2.67
2) 12.09
3) 13
4) 26.74
Correct Answer: 26.74
