EASY PSC | Kerala PSC 078/2026 - Tracer

Question 1

An instrument made of lead bar enclosed in rubber and can be bent into any shape to draw smooth curve passing through any given points

A

French curve

B

Flexible curve

C

Planimeter

D

Pentagraph

Question 2

The length to width ratio of drawing sheet is

A

1 : 3

B

3 : 1

C

1 : √2

D

√2 : 1

Question 3

Which type lines are used for drawing diagonal lines, hatching etc. ?

A

Type A

B

Type B

C

Type C

D

Type d

Question 4

In a drawing, the letters and numbers are designated by their

A

Height

B

Top width

C

Bottom width

D

Thickness

Question 5

Which of the following statements are correct for Rhomboid ?

i. Opposite sides are equal and parallel

ii. All sides are equal

iii. Angles are not right angle

iv. Angles are right angle

A

i, iii

B

i, iv

C

ii, iii

D

ii, iv

Question 6

Actual length of a room is 10 m and is represented by 200 mm in the drawing. Then the scale of the drawing is

A

1 : 100

B

1 : 50

C

100 : 1

D

50 : 1

Question 7

In first angle projection

i. Top view comes below front view

ii. Front view comes below top view

iii. Right side view drawn to the left side of front view

iv. Right side view drawn to the right side of front view

A

i, iii

B

i, iv

C

ii, iii

D

ii, iv

Question 8

The length to height ratio of closed filled arrow head is

A

1 : 3

B

3 : 1

C

1 : √2

D

√2 : 1

Question 9

Which of the following standard should considered in planning ?

A

IS codes for planning

B

ISI

C

NBC 2005

D

local building – Bye laws

Question 10

Which of the following is used as escape elements in building for fire safety ?

A

lobbies

B

Strong room

C

Floors

D

Outer walls

Question 11

Which is an item rate estimate ?

A

Plinth area

B

Annual repair

C

Cubical content

D

Preliminary

Question 12

Which estimate is prepared while the original sanctioned estimate is exceeded by more than 5% ?

A

Supplementary

B

Extension and improvement

C

Revised

D

Plinth area

Question 13

While calculating the quantity of brick work, no deduction or addition shall be made for the following

i. Opening upto 1 sq m in section

ii. Ends of joints, beams, lintels, posts, rafter, corbel, steps etc.

iii. Opening upto 0.1 sq m in section

iv. Wall plates and bed plates, bearing of slab, chajjah where the thickness does not exceed 10 cm

A

i, ii, iii

B

i, ii, iv

C

ii, iii, iv

D

All of the above

Question 14

While preparing estimate, plastering bands of 30 cm or below are measured in

A

Running meter

B

Square meter

C

Cubic meter

D

Number

Question 15

Which of the following cost is not included in rate analysis of an item ?

A

Contractor’s profit

B

Overhead cost

C

land cost

D

Stationary, Printing, Travelling expenses etc.

Question 16

Quantity of dry materials required for one cu m of finished concrete in M 15 grade is

A

Cement – 0.22 cu m, Sand – 0.44 cu m, Aggregate – 0.88 cu m

B

Cement – 0.50 cu m, Sand – 1.00 cu m, Aggregate – 2.00 cu m

C

Cement – 1.00 cu m, Sand – 2.00 cu m, Aggregate – 4.00 cu m

D

Cement – 0.10 cu m, Sand – 0.20 cu m, Aggregate – 0.40 cu m

Question 17

Unit of measurement for dPC

A

Running meter

B

Square meter

C

Cubic meter

D

Number

Question 18

What is printed list of rates of various items of work maintained by the engineering department ?

A

Schedule of rates

B

Analysis of rates

C

Item rates

D

market rates

Question 19

The total cost of construction including land or the original total amount required to possess a property

A

Capitalized value

B

market value

C

Book value

D

Capital cost

Question 20

The gradual exhaustion of the usefulness of a property due to structural deterioration, use, life, wear and tear, decay and obsolescence.

A

Sinking fund

B

depreciation

C

Scrap value

D

market value

Question 21

The test is done to find out the rate of wear of stones which are used in road construction

A

Attrition test

B

Acid test

C

Crystallisation test

D

Hardness test

Question 22

The slump value for normal RCC work

A

20-40 mm

B

40-50 mm

C

70-80 mm

D

80-150 mm

Question 23

Which lime used for plastering and whitewashing ?

A

Fat lime

B

Poor lime

C

Hydraulic lime

D

None of these

Question 24

Harmful ingredients in brick earth

A

Vegetation and organic matter

B

Pebbles

C

Alkalies

D

All of these

Question 25

Who was the inventor of artificial cement ?

A

John Smeaton

B

Karl Terzaghi

C

Thomas Telford

D

Joseph Aspidin

Question 26

The quantity of gypsum added in cement to

A

Initiate the setting

B

Accelerate the setting

C

Retard the setting

D

No role in setting action

Question 27

Period of natural seasoning of timber in presence of air

A

3-6 months

B

6-12 months

C

1-2 year

D

2-4 year

Question 28

The liquid substance which hold the ingredients of a paint in liquid suspension

A

Base

B

Vehicle

C

drier

D

Solvent

Question 29

Cast iron manufacture in

A

Cupola furnace

B

Blast furnace

C

Both (A) and (B)

D

None of these

Question 30

Which steel is used for manufacture of structural steel ?

A

mild steel

B

medium carbon steel

C

High carbon steel

D

All of these

Question 31

Brass is an alloy of

A

Copper and tin

B

Copper and zinc

C

Tin and lead

D

Copper and lead

Question 32

When cement is added to lime mortar to improve quality and achieve early strength

A

Gypsum mortar

B

lime mortar

C

Gauged mortar

D

All of these

Question 33

The horizontal course of masonry project from the face of wall at every floor or sill level

A

Frieze

B

Cornice

C

Corbel

D

String course

Question 34

The cut underside of a projected course of masonry which is provided to check the creepage of rain water on the underside of projected portion

A

Throating

B

Weathering

C

Coping

D

Gutter

Question 35

A wooden headed hammer used for wooden headed chisel

A

Claw hammer

B

mallet

C

Iron hammer

D

Spalling hammer

Question 36

The type of bond in which the bricks are laid in course inclined at 45° in two directions from the center

A

diagonal bond

B

Garden wall bond

C

dutch bond

D

Herring bone bond

Question 37

The transverse member used in bricklayer scaffolding one end of which is placed into the hole on the wall

A

Standard

B

Putlog

C

Brace

D

ledger

Question 38

The minimum load which may cause the failure of foundation is called

A

Improving bearing capacity

B

Safe bearing capacity

C

Ultimate bearing capacity

D

Facture of safety

Question 39

Provision of a layer of water repellent material between the source of dampness and part of structure adjacent to it is called

A

Cavity wall

B

Integral treatment

C

Surface treatment

D

Membrane damp proofing

Question 40

The space between the back of the arch ring and the horizontal plane tangent to the crown

A

Spandril

B

Haunch

C

Intrados

D

Skewback

Question 41

The tool used for pulling out nails, tack from wood

A

Wheel brace

B

Sash cramp

C

Pincer

D

Gimlet

Question 42

In which type of stair, the bottom wide flight is divided at a landing into two narrower flights which branch off to the right and left

A

Circular stair

B

Geometrical stair

C

Bifurcated stair

D

Newel stair

Question 43

The height of slump cone is

A

30 cm

B

20 cm

C

50 cm

D

25 cm

Question 44

The method by which compressive stresses are induced in the structure artificially before it is loaded

A

Compacted concrete

B

Post stressed concrete

C

Fire resisting concrete

D

Pre stressed concrete

Question 45

The clear cover for foundation slabs and beams

A

25 mm

B

15 mm

C

40 mm

D

50 mm

Question 46

Which type of welding is used when the members to be connected overlap each other ?

A

Fillet weld

B

Butt weld

C

lap weld

D

Seated weld

Question 47

Going in cm + (2 × Rise in cm) should be

A

400-450

B

40-45

C

60-65

D

30-40

Question 48

The topmost horizontal member of a door frame is

A

Style

B

Horn

C

Post

D

Head

Question 49

The roof which slopes two direction is

A

lean to roof

B

Gable roof

C

duck roof

D

Hipped roof

Question 50

The temporary structure constructed to remove water from the construction area

A

Coffer dam

B

Scaffolding

C

Underpinning

D

Shoring

Question 51

A combined footing is commonly used when

A

Under a set of walls

B

Under a set of columns

C

Two columns are spaced close to each other

D

Two columns are spaced far apart

Question 52

For cantilever beam main reinforcement is placed at

A

Bottom

B

Center

C

Support

D

Top

Question 53

Which of the following statements is/are correct ?

i. Crop period is the total time that elapses between the sowing of the crop and its harvesting.

ii. Crop period represents the total time during which the crop remains in the field.

iii. Crop period is the total time between the first watering done for the preparation of the land for sowing of a crop and the last watering done before its harvesting.

iv. Crop period is essential for determining the total water requirement of a crop.

A

Only i and ii

B

Only ii and iii

C

Only i and iv

D

Only i and iii

Question 54

Capillary water in soil refers to

A

Water held very tightly by soil particles and unavailable to plants

B

Water present in excess of hygroscopic water, held in soil pores by molecular attraction

C

Water that drains freely through the soil due to gravity

D

Water vapor present in the atmosphere around soil particles

Question 55

The volume of water that is temporarily stored in the permeable bank of a reservoir when the reservoir fills and drains out as the water level in the reservoir is lowered is known as

A

Valley storage

B

Surcharge storage

C

dead storage

D

Bank storage

Question 56

Groynes (spurs) are primarily constructed to

A

Increase river velocity

B

Protect banks from erosion

C

Store flood water

D

Divert groundwater flow

Question 57

The canal, which is aligned along the ridge

A

Contour canal

B

Side slope canal

C

Watershed canal

D

Perennial canal

Question 58

The main purpose of providing a surge tank in a hydroelectric power plant is

A

To store excess water for irrigation

B

To reduce the water hammer pressure formed in the penstock

C

To increase the velocity of water in the penstock

D

To regulate the temperature of water in the reservoir

Question 59

The purpose of applying the principle of working from whole to part in surveying is

A

To reduce the cost of survey work

B

To prevent the accumulation of errors

C

To complete the survey quickly

D

To avoid the use of advanced instruments

Question 60

Which of the following statements is/are correct ?

i. The direction of true meridian through a point can be established by astronomical observations.

ii. True bearing of a line is the horizontal angle that it makes with the magnetic meridian.

iii. The direction of the magnetic meridian can be established with the help of a magnetic compass.

iv. The magnetic bearing of a line is measured using a magnetic compass.

A

Only i and ii

B

Only i, ii and iii

C

Only i, iii and iv

D

Only i, ii and iv

Question 61

GPS measurements are referenced to which geodetic system ?

A

NAD27

B

WGS72

C

WGS84

D

Indian Datum

Question 62

The resection method in plane table surveying is used to

A

Locate new points from a known station

B

Determine the position of station by sighting known points

C

Measure distances by radiation

D

Traverse along a polygonal path

Question 63

In a Total Station, measurement of distance is accomplished by

A

Using a steel tape directly

B

Modulated microwave or infrared carrier signal

C

Observing astronomical directions

D

Magnetic compass readings

Question 64

Elimination of parallax in a levelling instrument is achieved by

A

Focusing the eyepiece only

B

Focusing the objective only

C

Focusing both the eyepiece and the objective

D

Adjusting the tripod legs

Question 65

In differential levelling, the arithmetic check is given by

A

Σ B.S – Σ F.S = last R.l – First R.l

B

Σ B.S + Σ F.S = last R.l – First R.l

C

Σ B.S – Σ F.S = First R.l – last R.l

D

Σ B.S + Σ F.S = First R.l – last R.l

Question 66

Which of the following is considered the most accurate method of interpolation of contours ?

A

Estimation method

B

Graphical method

C

Arithmetical method

D

direct method

Question 67

The degree of precision in calculating irregularly shaped areas using Simpson’s rule and the Trapezoidal rule can be increased by

A

decreasing the number of ordinates

B

Increasing the intervals

C

Increasing the length of ordinates

D

Increasing the number of ordinates

Question 68

Rankine’s method of deflection angle is particularly useful for setting out

A

A circular curve of small radius

B

A circular curve of long length and large radius

C

A transition curve only

D

A vertical curve in road design

Question 69

A non-circular curve introduced between a straight and a circular curve or between two branches of a compound curve or a reverse curve is known as

A

Compound curve

B

Reverse curve

C

Horizontal curve

D

Transition curve

Question 70

Turning the telescope about its vertical axis in the horizontal plane in a theodolite is known as

A

Transiting

B

Plunging

C

Reversing

D

Swinging

Question 71

The angle between the preceding line and the succeeding line is called

A

Deflection angle

B

Direct angle

C

Ordinary angle

D

Vertical angle

Question 72

The space between two lines in a double-line field book is reserved for

A

Entering offsets

B

Entering chainages

C

Entering angles

D

Entering area

Question 73

Which of the following ‘Function Key’ can be used for ‘Toggles between grid on and off’ ?

A

F10

B

F6

C

F7

D

F8

Question 74

Function defined for ‘Ctrl + Y’ key stroke is

A

Undo

B

Ortho on/off

C

Co-ordinate display on/off

D

Redo

Question 75

What is the full form of UCS system ?

A

User CAd System

B

User Co-ordinate System

C

User CAdd System

D

User Co-operative System

Question 76

What is the primary purpose of using layers in 2d drafting ?

A

To organise and manage complex drawing

B

To create 3d models

C

To change background

D

To add text to drawing

Question 77

Which command is used to customize your shortcut keys in Auto CAD ?

A

CSK

B

CCS

C

CUI

D

CIU

Question 78

Which of the following is a way to add a viewport to a layout in Auto CAd ?

A

Using MVIEW command

B

Using VVIEW command

C

Using LAYOUT command

D

Using MPORT command

Question 79

In which tool bar we can find erase, trim in Auto CAD ?

A

Title bar

B

Standard tool bar

C

draw area

D

modify tool bar

Question 80

Which short key is used to close the currently active program in Auto CAD ?

A

Ctrl + X

B

Alt + F4

C

ARU

D

ATE

Question 81

If efficiency of a lifting machine is kept constant, its velocity ratio is directly proportional to its

A

Friction

B

mechanical advantage

C

Efficiency

D

Effort

Question 82

The temperature of a substance is 28°C. What is the temperature of same substance in Kelvin scale ?

A

28 K

B

401 K

C

301 K

D

0.28 K

Question 83

A body of mass 2 kg is thrown upward with an initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be (take g = 10 m/s²)

A

0 J

B

1600 J

C

40 J

D

16 J

Question 84

Two vertical poles are standing on a same horizontal line at a distance apart. One is 36 m height and other is 62 m, in height. If the smaller pole make a shadow of length 20.5 m. What will be the length of shadow of larger pole ?

A

108.87 m

B

11.9 m

C

35.3 m

D

34.44 m

Question 85

Which is more elastic ?

A

Rubber

B

Glass

C

Wood

D

Steel

Question 86

Find the perimeter of sector of circle with radius 7 cm and sector angle 120°.

A

14.67 cm

B

28.67 cm

C

51.33 cm

D

21.67 cm

Question 87

The curve having its radius varying gradually from an infinite to a finite value equal to that of the circular curve to be connected or vice versa is

A

Transition curve

B

Spiral curve

C

Casement curve

D

All of these

Question 88

The gradient on which a motor vehicle moving with a constant speed, continues to descend with the same speed without any application of power or breaks is

A

Ruling gradient

B

Floating gradient

C

limiting gradient

D

Average gradient

Question 89

The main highways running through the length breadth of the country connecting major ports, foreign highways and capital of states, etc. are known as

A

National highway

B

State highway

C

Major district roads

D

Village road

Question 90

The road pavement which can change their shape to some extent without rupture are known as

A

Rigid pavements

B

Flexible pavements

C

Both (A) and (B)

D

None of these

Question 91

The art of providing an outward slope of 1 in 20 to the treads of wheels of rolling stock, is

A

Tilting of rails

B

Creep of rails

C

Coning of wheels

D

Wear of wheels

Question 92

The plates which are used to rail joints to maintain the continuity of rails in a track

A

Fish plates

B

Bearing plates

C

Covering plates

D

Base plate

Question 93

The end supports of a bridge superstructure is

A

Pier

B

Abutment

C

Wing wall

D

Retaining wall

Question 94

The heading up of water above its normal level while passing under the bridge is

A

Scour

B

Free board

C

Afflux

D

Clearance

Question 95

It is safe water, which is bacteriologically and chemically pure

A

Potable water

B

distilled water

C

Wholesome water

D

Safe water

Question 96

This types of joint is mostly used for joining concrete and asbestos pipes of large diameter

A

Collar joint

B

Flexible joint

C

Screwed joint

D

Mechanical joint

Question 97

They are automatic valves, they allow the flow in one direction only

A

Relief valve

B

Reflux valve

C

Scour valve

D

None of the above

Question 98

The presence of inorganic substances like clay, pebbles, sand, silt etc. are

A

Chemical impurities

B

Bacteriological impurities

C

Physical impurities

D

None of these

Question 99

The liquid which passes out of the outlet pipe of septic tank is

A

Effluents

B

Sludge

C

Garbage

D

Refuse

Question 100

It includes all type of house waste and garbage in dry form

A

Effluents

B

Sludge

C

Garbage

D

Refuse

078/2026 - Tracer - LSGD