Kerala PSC Mechanic Recruitment 50 Exam Questions

Kerala PSC Mechanic Recruitment 50 Exam Questions

The 50 Questions with Answer in pdf/jpeg Text format of Mechanic Recruitment Exam conducted by Kerala PSC to appoint in Agriculture Development and Farmers Welfare Department is Published here

Question Paper Details

No. of Questions: 100

Maximum Marks: 100 Marks

No of Questions in Part 1- Total 50

No of Questions in Part 2- Total 50

Answers Availability: Yes Available

Question Paper Format: Pdf/ Jpeg

Question Paper Code: 3/2023/OL

Exam: Mechanic

Department:  Agriculture Development and Farmers Welfare

Date of Test 06-01-2023

Kerala PSC Mechanic Recruitment 50 Exam Questions- PART 2

Question51:-While using the calipers along with steel rules, the accuracy is limited to
____________ mm.
A:-0.05
B:-0.25
C:-0.5
D:-1
Correct Answer:- Option-C
Question52:-The _________ punch is used for marking witness marks.
A:-30°
B:-45°
C:-60°
D:-90°
Correct Answer:- Option-C
Question53:-Which type of V-block are used for supporting long shafts parallel on machine tables or
marking off tables?
A:-Single bevel single groove 'V'
B:-Single bevel double groove 'V'
C:-Unmatched pair 'V' groove
D:-Matched pair 'V' block
Correct Answer:- Option-D
Question54:-A 50 mm long (normal size) 'V' block capable of clamping workpiece
between 5 to 40 mm in diameter and of Grade 'A' will be designated as
A:-'V' block 5 - 40 A/50 - IS. 2949
B:-A 5 - 40/50, 'V' block - IS. 2949
C:-50/5 - 40 A, IS. 2949 - 'V' block
D:-IS. 2949 - A 5 - 50/50- 'V' block
Correct Answer:- Option-A
Question55:-The ____________ of a combination set is used to set work pieces on the
machines and measure the depth of slots.
A:-Protractor head
B:-Centre head
C:-Square head
D:-Circular head
Correct Answer:- Option-C
Question56:-The sizes of a Phillips screw drivers are specified by point size
A:-1, 2, 3 and 4
B:-1.25, 2.25, 3.25 and 4.5
C:-1.5, 2.5, 3.5 and 5
D:-2, 4, 6 and 8

 

 

Correct Answer:- O ption-A
Question57:-The peen of a hammer is used for
A:-shaping and forming only
B:-shaping, riveting and forming only
C:-forming, shaping and bevelling only
D:-forming, shaping, bending and riveting
Correct Answer:- Option-D
Question58:-The size of a Tinman's 'L' square is specified by the
A:-length of the body and the tongue
B:-length of the body and width of the tongue
C:-Width of the body and the tonque
D:-Width of the body and the length of the tongue
Correct Answer:- Option-A
Question59:-The graduation of a bevel protractor is marked from
A:-0 to 90°
B:-0 to 180°
C:-0 to 270°
D:-0 to 360°
Correct Answer:- Option-B
Question60:-The basic units of M.K.S. system are
A:-Centimetre, Gram and Second
B:-Meter, Kilogram and Second
C:-Kilometer, Kilogram, and Hour
D:-Millimeter, Milligram and Minute
Correct Answer:- Option-B
Question61:-Files are generally made up of
A:-High carbon or high grade cast steel
B:-Low carbon or low grade cast steel
C:-Medium carbon or medium grade cast steel
D:-Low carbon steel or Mild steel
Correct Answer:- Option-A
Question62:-Which type of files is available only in half round shape?
A:-Single cut file
B:-Double cut file
C:-Curved cut file
D:-Rasp cut file
Correct Answer:- Option-D
Question63:-____________ is the distance a drill advanced into the work in none complete
rotation.
A:-Cutting speed
B:-RPM
C:-Peripheral speed
D:-Feed
Correct Answer:- Option-D
Question64:-Hand taps for a particular thread are available as a set consisting of
___________ pieces.
A:-Two
B:-Three
C:-Four
D:-Five
Correct Answer:- Option-B

 

 

Question65:-The Indian Standard establishes
A:-Four sets of feeler gauges Nos. 1, 2, 3 and 4
B:-Three set of feeler gauges Nos. 1, 2 and 3
C:-Two sets of feeler gauges Nos. 1 and 2
D:-Only one feeler gauge No. 1
Correct Answer:- Option-A
Question66:-In an outside micrometer, ___________ ensures an uniform pressure between
the measuring surfaces.
A:-Sleeve
B:-Thimble
C:-Ratchet stop
D:-Spindle lock but
Correct Answer:- Option-C
Question67:-The least count of a vernier caliper is __________ mm.
A:-0.01
B:-0.02
C:-0.05
D:-0.1
Correct Answer:- Option-B
Question68:-Concentricity and eccentricity can be checked by a vernier height gauge with the
aid of a
A:-Dial indicator
B:-Steel rule
C:-Bevel protractor
D:-Caliper
Correct Answer:- Option-A
Question69:-The act of joining slip gauges together while building up to sizes is known
as
A:-Joining
B:-Wringing
C:-Binding
D:-Adhering
Correct Answer:- Option-B
Question70:-Sine bar is a
A:-Round bar made of High speed steel
B:-Round bar made of Nickel steel
C:-Rectangular bar made of stabilized chromium steel
D:-Rectangular bar made of high grade tungsten steel
Correct Answer:- Option-C
Question71:-Which type of washer is used with flat or oval type head screws?
A:-Lock washer
B:-Internal type washer
C:-External type washer
D:-Countersunk type washer
Correct Answer:- Option-D
Question72:-The type of belt fastener used on heavy duty machines is
A:-Jackson type
B:-Lagrelle type
C:-Wire type
D:-Crescent plate type
Correct Answer:- Option-B

 

 

Question73:-The radial distance between the pitch circle and the root circle of a spur
gear is known as
A:-Land
B:-Addendum
C:-Dedendum
D:-Working depth
Correct Answer:- Option-C
Question74:-Which type of clutch can be operated through a cable from a distance?
A:-Electromagnetic multiple disc clutch
B:-Dog clutch
C:-Single plate clutch
D:-Centrifugal clutch
Correct Answer:- Option-A
Question75:-Which one of the given formula is used to calculate the length of
rivet (L' mm) when forming a flat head? (Given : T - total thickness in mm of the piled plates and 'd' - Rivet diameter in mm)
A:-T - d (0.6 ̃ 1.4)
B:-T + d (0.6 ̃ 1.4)
C:-T - d (0.8 ̃ 1.2)
D:-T + d (0.8 ̃ 1.2)
Correct Answer:- Option-D
Question76:-The furnace used to manufacture pig iron is
A:-Crucible furnace
B:-Blast furnace
C:-Cupola furnace
D:-Pudding furnace
Correct Answer:- Option-B
Question77:-The percentage of carbon contains in mild steel is
A:-0.5-0.8
B:-0.15-0.3
C:-0.4-0.6
D:-More than 1
Correct Answer:- Option-B
Question78:-The purpose of normalizing is to
A:-Remove the induced stresses
B:-Improve machineability
C:-Soften the steel
D:-Improve ductility and toughness
Correct Answer:- Option-D
Question79:-To reduce internal stresses of a hardened tool, the method of heat treatment generally applied is
A:-Stabilizing
B:-Annealing
C:-Normalizing
D:-Tempering
Correct Answer:- Option-B
Question80:-Heat treatment of metal is necessary
A:-To produce certain desired properties
B:-To make good appearance of compound
C:-To increase strength of the metal
D:-To make the metal rust proof
Correct Answer:- Option-A
Question81:-Which marking media is applied on rough forgings and castings?

 

 

A:-White wash
B:-Prussian blue
C:-Copper sulphate
D:-Cellulose lacquer
Correct Answer:- Option-A
Question82:-Fullers are used for
A:-Necking and grooving
B:-Forging the head of rivets, bolts, etc.
C:-making shoulders with right angles
D:-Upsetting
Correct Answer:- Option-A
Question83:-Which property can be increased in copper by cold forging?
A:-Ductility
B:-Malleability
C:-Tensile stress
D:-Elasticity
Correct Answer:- Option-C
Question84:-Which one of the following is the function of the tuyers in the forge?
A:-Permits cooled air
B:-Controls smokes and sparks
C:-Act as an outlet of products of combustion
D:-To clean the forge
Correct Answer:- Option-C
Question85:-The process of decreasing the length of the job in forging
A:-Drawing out
B:-Jumping
C:-Punching
D:-Drifting
Correct Answer:- Option-B
Question86:-What is the purpose of groover in sheetmetal?
A:-Releasing of seam
B:-Compress the seam
C:-Closing and locking the seam
D:-Stress relieving during seaming
Correct Answer:- Option-C
Question87:-What is the maximum cutting capacity of straight snips?
A:-20 SWG
B:-19 SWG
C:-18 SWG
D:-16 SWG
Correct Answer:- Option-A
Question88:-Which rivet is most suitable for riveting soft materials like leather,
plastics etc?
A:-Snap head rivet
B:-Conical head rivet
C:-Counter sunk rivet
D:-Bifurcated rivet
Correct Answer:- Option-D
Question89:-Caulking is an operation of
A:-pressing the whole surface of the edge of the plate

 

 

B:-closing down the edges of the plates and heads of the rivet
C:-closing down the center surface of the plate
D:-pressing the plates
Correct Answer:- Option-B
Question90:-The formula generally used in the shop floor, length of snap head rivet
is
A:-L = T + d (1.3 - 1.6)
B:-L = T + 1.5 D
C:-L = T + d
D:-L = T × D
Correct Answer:- Option-B
Question91:-Electrode size refers
A:-diameter of its core wire
B:-diameter of electrode
C:-length of the electrode
D:-thickness of flux coating
Correct Answer:- Option-A
Question92:-Arc blow is caused by
A:-electronic disturbance
B:-magnetic disturbance
C:-electric disturbance
D:-radio disturbance
Correct Answer:- Option-B
Question93:-The welding machine which is used to convert AC Welding Supply to
DC Welding Supply
A:-engine generator set
B:-motor generator set
C:-transformer set
D:-rectifier set
Correct Answer:- Option-D
Question94:-Name the flame which contains more acetylene and less oxygen
A:-Oxidizing flame
B:-Neutral flame
C:-Carburizing flame
D:-Common flame
Correct Answer:- Option-C
Question95:-When the electrode is connected to the positive terminal and work piece
to the negative terminal of power source, then that is
A:-Straight polarity
B:-Reverse polarity
C:-AC polarity
D:-DC polarity
Correct Answer:- Option-B
Question96:-Threads are cut on a lathe with a single point tool by
A:-setting the correct speed
B:-setting on cut for the full depth of thread
C:-making a series of cuts in the same cut
D:-moving the carriage by means of rack
Correct Answer:- Option-C
Question97:-Which one of the following governs the selection of feed when turning a work?
A:-Tool geometry

B:-Surface finish required
C:-Type of coolant required
D:-Chip formation
Correct Answer:- Option-B
Question98:-Which one of the reason for torn threads while thread cutting on lathe?
A:-Blunt tool
B:-Insufficient side clearance
C:-Heavy depth of cut
D:-Cutting tool geometry
Correct Answer:- Option-C

 

 
Question99:-The lead screw of a lathe have a thread of
A:-BSW
B:-BSF
C:-ACME
D:-v-thread
Correct Answer:- Option-C
Question100:-The lathe is specified according to the
A:-horse power and chuck diameter
B:-tool post size
C:-the maximum length of work that can be turn between centres
D:-the size of drill that can be held on the lathe
Correct Answer:- Option-C

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