Post : Mechanical Operator
Department : Pharmaceutical Corporation (IM) Kerala Ltd
Category Code : 223/16
Qualification : SSLC + National trade certificate in the trade of Machinist or Fitter
Question Paper Code : 71/2017
Date of Test : 21-06-2017
- The teeth angle of a single cut file is :
- 51 degree
- 71 degree
- 60 degree
- 61 degree
- Which is not a purpose of annealing?
- to relieve strain and stress
- to add cutting ability
- to eliminate strain and harness
- to soften steel
- The file used for bringing the material closer to the finished size is :
- Rough file
- Rasp cut file
- Dead smooth file
- Second cut file
- The ratio of pitch circle diameter to the number of teeth of a spur gear is called :
- circular pitch
- addendum circle
- land
- module
- The purpose of clapper box in shaping machine is :
- to lift the tool during return stroke
- to hold the tool rigidly
- for giving depth of cut
- none of these
- A screw thread micrometer measures which portion of a screw thread?
- major diameter of thread
- depth of thread
- core diameter of thread
- pitch diameter of thread
- Device which holds, support, locates and guide the tool during cutting operation is :
- fixture
- jig
- stopper
- none of these
- Bearings made to take thrust from one direction are classifieds as :
- needle bearing
- roller bearing
- tapered roller bearing
- ball bearing
- Which type of caliper used for locating centre of round jobs?
- leg and point caliper
- outside caliper
- spring joint caliper
- inside caliper
- The part which is not essential for thread cutting operation in a centre lathe is :
- lead screw
- tailstock
- change gear unit
- half nut
- Point angle of general purpose twist drill is :
- 120 degree
- 45 degree
- 119 degree
- 118 degree
- Softest part of a hammerhead is known as :
- cheek
- face
- pein
- handle
- Device used for holding larger diameter taper shank drill to a machine spindle is known as :
- drift
- socket
- chuck
- sleeve
- What is the use of a cross cut chisel?
- cutting keyways and grooves
- corner squaring
- for separating metals after chain drilling
- none of these
- What is the least count of a metric outside vernier micrometer?
- 0.01 mm
- 0.02 mm
- 0.001 mm
- 0.002 mm
- Function of coolant in a metal cutting operation is :
- to prevent corrosion
- flush the chips from cutting edge
- to carry away heat generated during cutting operation
- all of these
- The process of shaping of the grinding wheel is known as :
- dressing
- truing
- cleaning
- loading
- How much is the least count of a vernier bevel protractor?
- 5 minutes
- 5 seconds
- 1 minute
- 1 degree
- Which process produces a flat seat for bolt head, washer or nut at the opening of a drilled hole?
- chamfering
- spot facing
- counterboring
- reaming
- For a three start thread pitch is equal to :
- one third of the lead
- three times the lead
- half of the lead
- equal to lead
- What is the included angle of a worm thread?
- 60 degree
- 55 degree
- 45 degree
- 29 degree
- Plug tap is used for :
- making thread in a blind hole
- for starting a thread
- for making left hand thread
- for making fine thread
- If a clearance fit is obtained in a hole basis system, the tolerance zone of the shaft must be :
- above the tolerance zone of the hole
- same as the tolerance zone of the hole
- below the tolerance zone of the hole
- above or equal to the tolerance zone of the hole
- Carbon content of cast iron ranges from :
- 1 to 4 percentage
- 0.8 to 1.5 percentage
- 2 to 4 percentage
- 0.8 to 3 percentage
- The jig generally used to drill a number of holes on a component from different angles is :
- sandwich jig
- box jig
- table jig
- post jig
- Which is not an advantage of taper turning by attachment?
- both internal and external tapers can be produced
- power feed can be given
- large angle tapers can be produced
- threads on taper portion can be produced
- The process of dividing the periphery of a workpiece into any number of equal parts is known as :
- peripheral milling
- parting off
- knurling
- indexing
- The slope between front of the cutting edge to a line perpendicular to the axis of the tool drawn downwards is :
- relief angle
- rake angle
- clearance angle
- point angle
- The bearing surface angle of a centre drill is :
- 60 degree
- 120 degree
- 45 degree
- 30 degree
- White metal is an alloy of :
- copper, tin and zinc
- copper and zinc
- tin, copper and antimony
- copper and tin
- When the angle between the shaft is 90 degree and two gears of a pair are equal, they are called :
- spur gear
- spiral gear
- helical gear
- mitre gear
- The method of removing metal by pushing or pulling an elongated cutting tool with a number of teeth in though hole or along a surface is known as :
- broaching
- boring
- lapping
- hobbing
- The grinding or abrading process mostly used for finishing round holes with the help of bonded abrasive stone is called :
- lapping
- buffing
- honing
- hot dipping
- The advantage of centerless grinder is :
- the workpiece being supported throughout its length
- no centre holes is required
- the size of workpiece is easily controlled
- all of these
- The perpendicular distance measured from the machined surface to unmachined surface is called :
- feed
- depth of cut
- chamfer
- taper
- The device used for holding and rotating a hollow workpiece that has been previously drilled is :
- mandrel
- collet
- driving plate
- centre
- The operation of machining several surfaces of a workpiece simultaneously by feeding table against a number of cutters is known as :
- straddle milling
- profile milling
- saw milling
- gang milling
- Which of the heat treatment gives a scale free surface to the component?
- flame hardening
- nitriding
- induction hardening
- tempering
- Which is not an essential property of a good lubricant?
- viscosity
- adhesiveness
- oiliness
- flashpoint
- Which is not a part of center lathe?
- Carriage
- Cross rail
- Apron
- Bed
- Accuracy of inside micrometer is ______ .
- 0.01 mm
- 0.01 cm
- 0.001 mm
- 0.02 mm
- Example of non ferrous tool materials is ______ .
- Tungsten
- High speed steel
- Ceramic
- High carbon steel
- The chemical symbol of Acetylene gas is ______ .
- C2H2
- H2SO
- H2F
- H2F2
- ______ files is used in causes where a heavy reduction of materials is required.
- Smooth file
- Second cut file
- Rough file
- Bastard file
- The size of the bench vice is stated by ______ .
- Overall length
- Length of jaw
- Width of jaw
- Moving length of jaw
- Try squares are specified by ______ .
- Length of stock
- Length of blade
- Width of stock
- Width of blade
- One micrometer is equal to ______ .
- 100 mm
- 0.001 mm
- 0.0001 mm
- 0.01 mm
- Steel rules are made of ______ .
- Stainless steel
- High carbon steel
- High speed steel
- All of these
- Jenny caliper also called ______ .
- Outside caliper
- Vernier Caliper
- Firm joint calipers
- Hermaphrodite caliper
- The angle of the point of centre punch is ______ .
- 60°
- 30°
- 45°
- 90°
- The accuracy of bevel protractor is ______ .
- ±1°
- ±0.5°
- 5”
- 5'
- Standard length of hacksaw blade is ______ .
- 100 mm
- 300 mm
- 200 mm
- 400 mm
- For cutting high speed steel ______ mm pitch hacksaw blade is used.
- 1.8 mm
- 0.8 mm
- 1 mm
- 1.4 mm
- ______ chisel is used for squaring materials at the corner, joints.
- Web chisel
- Diamond point chisel
- Cross cut chisel
- Flat chisel
- The weight of an engineer hammer used for marking purposes is ______ .
- 250 gram
- 500 gram
- 125 gram
- 750 gram
- Current range of 5 mm diameter electrode size is ______ .
- 40 - 60 A
- 90 - 130 A
- 130 - 270 A
- 60 - 80 A
- ______ property is a measure of metals ability to withstand scratching, wear, abrasion.
- Malleability
- Hardness
- Brittleness
- Tenacity
- The shape of woodruff key is ______ .
- Rectangular
- Square
- Round
- Half round
- The purpose of annealing is ______ .
- To add cutting ability
- To soften the steel
- To refine the structure of the steel
- To induce toughness
- The difference between maximum limit of size to its corresponding basic size of a component is ______ .
- Actual deviation
- Tolerance
- Upper deviation
- Clearance
- If the plug gauge have Go and No Go same side then it is called ______ .
- Progressive plug gauge
- Double ended plug gauge
- Taper ring plug gauge
- Thread plug gauge
- A steel which contains just 0.8% carbon then it is called ______ .
- Hypo eutectoid steel
- Eutectoid steel
- Hyper eutectoid steel
- Plain carbon steel
- High carbon steel contain ______ % of carbon.
- 0.3 to 0.8
- 0.1 to 1.5
- 0.8 to 1.4
- 0.15 to 0.3
- At the time of arc welding ______ is used to protect the body.
- Dankry
- Coat
- Glass
- Apron
- Which machine is used to convert the AC main supply into an AC welding supply?
- AC welding transformer
- DC welding transformer
- Rectifier
- Motor generator set
- Zinc coated iron is known as ______ .
- Black iron
- Galvanized iron
- Stainless steel
- Wrought iron
- The most commonly used rivet head is ______ .
- Pan head
- Countersunk head
- Conical head
- Snap head
- ______ is the lower critical temperature for plain carbon steel.
- 723°C
- 750°C
- 900°C
- 695°C
- ______ are used to produce internal threads.
- Die
- Chaser
- Thread roller
- Tap
- ______ is a forming operation in a lathe.
- Turning
- Facing
- Knurling
- Threading
- What is the grade of angle plate used for general machine shop work?
- Grade 1
- Grade 2
- Grade 3
- Grade 0
- Density of steel is ______ .
- 7.85 gm/cm2
- 8.85 gm/cm2
- 7.75 gm/cm2
- 7.55 gm/cm2
- The point angle of a chisel for chipping cast iron is ______ .
- 55°
- 37.5°
- 60°
- 65°
- What is the correct tap drill size for tapping M10?
- 8.5 mm
- 7.5 mm
- 9 mm
- 10 mm
- The purpose of ______ is to restore the correct cutting action of the grinding wheel.
- Loading
- Glazing
- Dressing
- Truing
- ______ is the difference between the maximum limit of size and the minimum size of limit.
- Deviation
- Size
- Tolerance
- Clearance
- The No : 80 drill means ______ mm.
- 5.791
- 3.264
- 1.016
- 0.35
- What is the formula for finding the spindle speed of a lathe?
- πDN/1000
- Cs*1000/Ï€D
- πD/1000*Cs
- 100*Cs/Ï€D
- The abrasive used for honing of non ferrous metal is ______ .
- Diamond
- Boron carbide
- Aluminium oxide
- Silicon carbide
- Tempering temperature of screw driver is ______ .
- 230°C
- 280°C
- 320°C
- 250°C
- How many times the Preamble of Indian Constitution amended?
- 1
- 2
- 3
- Not amended
- Article 17 of Indian Constitution refers to ______ .
- Equality before law
- Freedom of expression
- Abolition of untouchability
- Right against exploitation
- Food Security Act was passed in the year ______ .
- 1991
- 2001
- 2011
- 2013
- In 1836 Vaikunta Swamikal founded the Samathwa Samajam at ______ .
- Thiruvananthapuram
- Suchindram
- Kannamula
- Varkala
- Who was the first Vice President of SNDP Yogam?
- Dr. Palpu
- Sri Narayanaguru
- Kumaranasan
- None of these
- Guruvayur Satyagraha started on ______ .
- 1st October, 1931
- 1st November, 1931
- 1st December, 1931
- 31st December, 1931
- The basic philosophy of the Indian Constitution can be found in the ______ .
- Preamble
- Fundamental Rights
- Directive Principles
- Fundamental Duties
- Who wrote the book Kairaleekauthukam?
- Thycaud Ayya
- Pandit Karuppan
- Ayyankali
- Sahodaran Ayyappan
- Adam’s Peak is located in ______ .
- Syria
- India
- Iran
- Srilanka
- Which among the following is the smallest state in India?
- Sikkim
- Goa
- Tripura
- Manipur
- D. Udayakumar, who created the symbol of Rupee is from ______ .
- Karnataka
- Andhra Pradesh
- Telangana
- Tamil Nadu
- Who among the following started the publication Yukthivadi in 1928?
- Sahodaran Ayyappan
- Vakkom Moulavi
- Pandit Karuppan
- Ayyankali
- Chandu Menon’s novel Sarada illustrates ______ .
- the craze for English education
- the craze for womens freedom
- the craze for political power
- the craze for litigation
- Who wrote the novel Manninte Maril?
- O.V. Vijayan
- C. Radhakrishnan
- Cherukad
- G. Vivekanandan
- Kumaranasan got immortal fame as a great poet or Mahakavi for his ______ .
- Veenapoovu
- Nalini
- Lila
- Prarodanam
- The credit for having laid the foundations of western education in the Malabar area goes to______ .
- C.M.S.
- L.M.S.
- B.E.M.
- None of these
- Virat Kohli scored his fourth consecutive double century in test cricket format against______ .
- England
- West Indies
- New Zealand
- Bangladesh
- Wagon tragedy took place on ______ .
- 20th August, 1920
- 20th November, 1920
- 20th August, 1921
- 20th November, 1921
- Who among the following met with a tragic death in the police lathi charge on the 100th day of Paliyam Satyagraha?
- A.G. Velayudhan
- A.K. Gopalan
- P. Krishna Pillai
- A.K. Velayudhan
- Schedule 1 of Indian Constitution refers to ______ .
- Division of powers between Union and States
- Anti defection laws
- India and it’s States
- Languages of India and it’s States
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