UKSSSC JE (JAL NIGAM 2020) PAPER

 UKSSSC JE - JALNIGAM 2020

1- The colour of light for visibility fog is-

A- Yellow

B- Green

C- Red

D- White

2- A column of length 'L' is pinned at both the end edges. The effective length of the column is-

A- 1L

B- 0.8L

C- 1.2L

D- 2.0L

3- The fore bearing of a line is 260°. The back bearing of this line is-

A- 100°

B- 80°

C- 120°

D- 10°

4- The earth work excavation is calculated in-

A- Linear meter

B- Cubic meter

C- Lump sum

D- Square meter

5-The maximum velocity in open channels occurs -

A- A little below the free surface

B- at the free surface

C- Near the channel bottom

D- At the centre

6-one of the principales of planning is-

A-The plan should not be realistic

B- The plan should be flexible

C-The plan should be fixed

D- The plan should be shallow

7- The type of plastics used for the manufacture of domestic water supply and drainage is- 

A- Polystyrene

B- Acrylic

C- High density polyethylene

D- poly vinyl chloride

8-The number of equation to used for finding the resultant of general force system is-

A- 6

B- 4

C- 3

D- 2

9- A beam placed across the opening like doors and windows, is called-

A- Plinth 

B- Lintel

C- Joist

D- Loft

10- The valve which is provided in street concerns to control the flow in the distribution system is-

A- scour valve

B- Air valve

C- Reflex valve

D- Sluice Valve

11- In a free body diagram a cable always represent-

A- Compression force

B- shear force

C- Normal force

D- Tensile force

12- Blue baby disease is due to higher concentrations of ____ in drinking water.

A- Nitrate 

B- Chlorine

C- Cadmium

D- Mercury

13- _________ days strength is considered to be the criterion for design and is called characteristics strength.

A- 14 

B- 26

C- 07

D- 28

14- Carbonation of concrete occurs due to the penetration of-

A- Carbon dioxide

B- Carbon monoxide

C- Water

D- Silicates

15- A  sewage consists of liquid wastes originating from latrins, bathroom, kitchen etc. are called-

A- Sanitary sewage

B- Commercial sewage

C- Domestic sewage

D- Combined sewage

16-A geological formation, which not only store water , but also yield it in sufficient quantity is know as an_

A- Aquiclude

B- Aquifer

C- Aquitard

D- Aquifuge

17-which of the following elements,when enhanced, diffuses directly into blood stream and forms carboxyhemoglobin?

A- Cadmium

B- Carbon Monoxide

C- Carbon dioxide

D- Hydrocarbon

18- polymer impregnated concrete is an excellent material for-

A- High rise building

B- Airport Runway

C- Marine and under water application

D- Railway sleeper

19- Blow hole are formed on the surfaces of concrete due to-

A- Hydration of cement

B- Entrapped air or water 

C- Upward movement of water

D- Corrosion of Reinforcement

20- If Ly/Lx> 2, the slab is design as-

A- Flat slab

B- One way slab

C- Continuous slab

D- Two way slab

21- The moment of inertia of a rectangle about the centroidal axis about XX having breath 0.4 m and depth 0.6 m is-

A- 32×10^-4 m^4

B- 36×10^-4 m^4

C- 64×10^-4 m^4

D- 72×10^-4 m^4

22-The load which are temporary placed on the structure is-

A- Dead load

B- wind load

C- Earthquake load

D- live load

23- The energy loss in pipe due to-

A- Surface roughness only

B- viscous action only

C- Friction offered by pipe wall

D- viscosity of flow

24- Rubber masonry arch is comparatively-

A- Weak

B- Used in interior work

C- provides good appearance

D- Strong

25- A bond in which the bricks are kept varnan inclination to the direction of the wall, is -

A- Rat trap bond

B- Ranking bond

C- Dutch bond

D- English bond

26- Column whoes slenderness ratio less than 32 are called-

A- short column

B- long column

C- slender column

D- medium size column

27- the longitudinal joint in concrete pavements, are recommended by IRC, is of-

A- Butt type

B- Hinged type

C- Weakened  placed type

D- Tongue and GRoove type

28- the quantity of 230mm thickness brickwork wall is estimated in-

A- square meter

B- linear meter

C- cubic meter

D- lump-sum

29- This loading is to be normally adopted for timber bridge is-

A- IRC class B loading

B- IRC Class AA loading

C- IRC class 70R loading

D- IRC class A loading

30- The total load on a shallow foundation is 600KN and the safe bearing capacity of the soil is 200kN/m^2. The area of the footing required, is-

A- 12 m^2

B- 2 m^2

C- 6 m^2

D- 3 m^2

31- A pile is driven in a clay having an average unconfined compressive strength of 140 kN/m^2, the cohesion of soil is-

A- 140 kN/m^2

B- 82 kN/m^2

C- 70 kN/m^2

D- 35 kN/m^2

32- The property of a fluid which determines it's resistance to shearing stress, is called-

A- Density

B- Permeability

C- Viscocity

D- Capillarity

33- For construction the tunnel, the preferred tool to excavate very soft ground, is-

A- Machine Auger

B- Conventional cutter

C- Water jets

D- Hand Auger

34- The section modulus of rectangular section of breadth 200mm and depth 300mm, is-

A- 4.5×10^8 mm^4

B- 1.5×10^6 mm^4

C- 3×10^6 mm^3

D- 9×10^8 mm^4

35- For column, the spacing of longitudinal bars measured along the periphery shall not exceed-

A- 250mm

B- 300mm

C- 100mm

D- 450mm

36- A soil has a liquid limit of 41% and plastic index of 21%. The plastic limit of the soil will be-

A- 15%

B- 25%

C- 10%

D- 20%

37- The number of blows observed in a SPT for diferent penetration depths is given in the figure. The observed N value is-

Penetration           Number of 

Sample (mm)        blows

0-150                      10

150-300                  18

300-450                  22

A- 10

B- 40

C- 50

D- 28

38- which among the following types of section,is used for lightly loaded beams ?

A- l-section

B- Rectangular section

C- welded section

D- Gantry girder

39- The process of retaining water in a basin so that the suspended particles settles down due to gravity, is called-

A- Filtration

B- Disinfection

C- Sedimentation

D- Screening

40- The yield stress divided by the factor of safety is called-

A- Limit stress

B- Permissible stress

C- Elastic stress

D- Ultimate stress

41- The settlement that occurs due to the gradual expulsion of pore water from the void is- 

A- Secondary consolidation

B- primary consolidation

C- Immediate settlement

D- Total settlement

42- A special type of irrigation scheme somewhere in between inundation type and permanent type of irrigation, is-

A- terrace irrigation

B- Bandhan irrigation

C- Flow irrigation

D- well irrigation

43- The reclamation process of removing the water from the wet areas is called-

A- Back wash

B- Permeability

C- Drainage

D- Ploughing

44- By using an anallatic lense-

A- the multiplying constant made as 100

B- the additive constant is made as 100

C- the additive constant is made as zero

D- the multiplying constant is made as zero

45- A simply supported beam of 4m length is subjected to a udl of 2 kN/m. The maximum shear force at the support is-

A- 4KN

B- 6KN

C- 8KN

D- 16KN

46-In plane table surveying,the inaccessible point are located by-

A- Resection 

B- Intersection

C- Traverse

D- Radiation

47- Orifice as well as mouthpiece are used to measuring the-

A- speed

B- area

C- velocity

D- discharge

48- A foundation where depth is more than the width-

A- shallow foundation

B- deep foundation

C- raft foundation

D- wall foundation

49- The deflection at the free end of a cantilever of length L carrying  a point load W at the free end is given by-

A- WL/3EI

B- WL^3/3EI

C- WL^3/6EI

D- WL^2/3EI

50-If the face of walls are not suitably protected from the exposure of heavy rain, they become the sources of-

A- Crack

B- Strength reduction

C- collapse

D- Dampness

51-The natural process, under which of the flowing river water gets cleaned, is known as-

A- Sedimentation

B- Oxidation

C- Self-purification

D- Photosynthesis

52- The suitable layout for a water supply distribution system, for an irregular grown town-

A- Radial system

B- Ring system

C-  Dead end system

D- Grid iron system

53-If the depth of neutral axis less  than critical neutral axis, the section is-

A- Balanced

B- Over reinforced

C- Under reinforced

D- Doubly reinforced

54- The distance of the centroid of a solid triangle of height h from the base is-

A- h/3

B- h/4

C- 2h/3

D- h/2

55-A bed of sand consists of three horizontal layers of equal thickness. the value for k is 4×10^-3 mm/s, 5×10^-3 mm/s and 6×10^-3 mm/s respectively. The average horizontal permeability is-

A- 15×10-3 

B- 5×10^-3

C- 6×10^-3

D- 4×10^-3

56- The concrete produced by using fly ash and alkali activator solution along with aggregate is-

A- Fibre reinforced concrete

B- Geopolymer concrete

C- no fiber concrete

D- Rapid hardening concrete

57- Cleaning of slow sand filters is done by-

A- Scraping and removal of sand

B- Immersing in acid solution

C- Back washing

D- Front washing

58- A quantitative process of determining the fair value of an asset is called-

A- A design

B- A valuation

C- A payment

D- An estimate

59-A bourdon tube pressure gauge is used for measuring-

A- Low pressure

B- High pressure

C- Abnormal pressure

D- High as well as low pressure

60-In chain survey, the are is divided into-

A- Rectangles

B- squares

C- Triangles

D- Hexagons

61- The most common method of wastewater disposal is-

A- Rapid infiltration

B- Evaporation

C- Dilution in surface water

D- Application in irrigation

62- In leveling, the height of instrument is-

A- R.L of B.M + fore sight

B- R.L of B.M + Intermediate sight

C- R.L of B.M - back sight

D- R.L of B.M + back sight

63- ____ is an important property to avoid differential settlement of soil-

A- compressibility

B- Incompressibility

C- Drainage

D- Permeability

64- A portion of precipitation that is not evaporated contributes to-

A- Run off

B- Evaporation

C- Settlement

D- Transpiration

65- A soil element is subjected to minor and major principal stress of 20kPa and 50kPa respectively. The maximum shear stress is-

A- 35kPa

B- 70kPa

C- 30kPa

D- 15kPa

66- An example of blast material-

A- Steel

B- Brick bats

C- Concrete

D- Sized stone of 9 inch

67- The tensile yield strength of a solid E250 (Fe410)/grade steel plate of size 220mm×10mm is-

A- 601KN

B- 820KN

C- 367KN

D- 500KN

68- PCC Stand for pollution Control-

A- centre

B- council

C- corporation

D- committee

69- The material suitable for injection of very fine cracks in concrete, is-

A- Polyurethane

B- Lime mortar

C- Cement mortar

D- Water based Acrylic resin

70- A centrifugal pump impeller having 600mm diameter runs at 1000 r.p.m. the tangential velocity of the impeller is-

A- 31.4 m/sec

B- 62.8 m/sec

C- 314 m/sec

D- 3.14 m/sec

71- Compaction is caused by -

A- long term static load

B- short term dynamic load

C- short term static load

D- long term dynamic load

72- A type of floor finish that is laid in thin layer over concrete topping is-

A-glass flooring

B-glag stone flooring

C- terrazzo flooring

D- tiled flooring

73- the pressure of a liquid on a surface will always act-

A- 45 degree

B- Normal

C- 60 degree

D- parallel

74- the aspect ratio of the fiber is the ration of-

A- volume to area

B- length to diameter

C- diameter to length

D- volume to weight

75- in a direct method of contouring,the process of locating points lying on a contour is called-

A- vertical control

B- horizontal control

C- rangging

D- centering

76-in project management,a critical path is this sequence of dependent tasks that form the -

A- Longest duration 

B- Equal duration of two or more paths

C- Average or shortest and longest duration

D- shortest duration

77- _____ are used for counting the number of chains while measuring a chain length-

A- Tapes

B- Cross staff

C- Arrows

D- Ranging rods

78- the marging provided between the top of the dam and high flood level is-

A- Apron

B- Free board

C- Spill way

D- Scour

79- workability of concrete is measured by-

A- Flow table

B- Flexure test

C- Soundness test

D- Compression test

80- If a sheet of paper moistened with lead acetate is held for 5 minutes in a manhole and then the paper turns black, indicate-

A- methane gas

B- hydrogen sulphide gas

C- oxygen

D- carbon dioxide 

81- an angle measured clockwise from the proceeding survey line to the following survey line is called-

A- direct angle

B- deflection angle

C- included angle

D- indirect angle

82-the longitudinal shearing stresses balance the variation of _________along the beam.

A- bending stresses

B- tensile stresses

C- bending strains

D- compressive stresses

83- for jointing smaller sewer pipes of diameter less than 0.6m, the preferable joint is-

A- mechanical joint

B- spigot and socket joint

C- collar joint

D- bandage joint

84- the 28 days characteristics compressive strength of M30 grade concrete is-

A- 60MPa

B- 35MPa

C- 45MPa

D- 30MPa

85- the process of compaction of concrete helps to-

A- increase it's volume

B- decrease the strength

C- increase the permeability

D- increase the density

86- effective stress at any point of soil mass-

A- total stress + pore water pressure

B- total stress/pore water pressure

C- total stress - pore water pressure

D- none of these

87- steel is obtained by adding small quantity of ___ to iron-

A- carbon

B- copper

C- alumina

D- silica

88- what is the size of hole when 12 mm diameter bolt are used to connect two plates?

A- 12mm

B- 15mm

C- 13mm

D- 14mm

89- a projecting stone which is usually provided to serve as support for joist is called-

A- Coping

B- Gable

C- Corbel

D- Reveals

90- the purpose of river training is-

A- to reduce the flow speed

B- to increase the flow speed

C- to desilt the  channel

D- to stabilise the channel 

91- now a day in the remote areas where telecommunication company mobile signals are not available, the communications which huge site area is provided by-

A- personally

B- using transport facility

C- passing through person to person

D- two way radio sets

92- the deviation of the fibers and discontinuous of wood is caused by-

A- pith

B- grain

C- sapwood

D- knots

93- the ultimate bearing capacity of a soil is 270 kN/m^3. what is the net safe bearing capacity,if the factor of safety is 2.5?

A- 116kN/m^2

B- 100kN/m^2

C- 10kn/m^2

D- 108kn/m^2

94- ready mixed concrete technology employs retarders for the purpose of-

A- Increasing the compressibility

B- Retaining the slump

C- Increasing the water cement ratio

D- Increasing the durability

95-the vertical portion of a step providing a support to the tread is-

A- riser

B- going

C- step

D- flight

96- as per IS 456:2000, the maximum free water cement ratio for M20 grade reinforcement cement concrete is-

A- 0.45

B- 0.50

C- 0.55

D- 0.40

97- subterranean termites have their main colonies in-

A- soil and under ground

B- water

C- brick

D- wood

98- for a good quality cement, if you through a handful of cement on a bucket full of water-

A- the particles float some time and than sink

B- the particles should sink immediately

C- sink immediately and than float

D- neither sink nor float

99- finishing of masonry mortar joint is called-

A- pointing

B- water proofing

C- plastering

D- painting

100- snowcem is a _____ paint.

A- Cellulose

B- Plastic emulsion

C- Synthetic enamel

D- Cement

Answer key:  1-A,2-A,3-B,4-B,5-A,6-B,7-D,8-C,9-B,10-D,11-D,12-A,13-D,14-A,15-C,16-B,17-B,18-C,19-B, 20-B, 21-D,22-D,23-C,24-A,25-B,26-A,27-A,28-C,29-A,30-D,31-C,32-C,33-C,34-C,35-B,36-D,37-B,38-B, 39-C,40-B,41-B,42-B,43-C,44-C,45-A,46-B,47-D,48-B,49-B,50-D,51-C,52-C,53-C,54-A,55-B,56-B, 57-A,58-B,59-D,60-C,61-C,62-D,63-B,64-A,65-D, 66-B,67-D,68-D,69-D,70-A,71-B,72-C,73-B,74-B,75-A,76-A,77-C,78-B,79-A,80-B,81-A,82-A,83-B,84-D,85-D,86-C,87-A,88-C,89-C,90-D,91-D,92-C,93-B,94-B,95-A,96-C,97-A,98-A,99-A,100-D