Post: Junior Instructor Operator Advanced machine Tools
Department: Industrial Training
Category Code: 374/17
Question Paper: 112/18
Qualification: S.S.L.C + National Trade Certificate; Diploma in the appropriate branch of Engineering
Date of Test: 22-11-2018
If you find mistakes, comment below
- Which one is class ‘C’ fire?
- kerosene fire
- wood fire
- gas fire
- electric fire
- What is purpose of settings of teeth in hacksaw blade?
- cutting surface in very smooth
- allow free movement of the blade
- long life in blade
- avoid heating in blade
- Which chisels in used to separate metal after chain drilling?
- web chisel
- diamond point chisel
- flat chisel
- cross cut chisel
- The cutting angle of twist drills bits in general purpose :
- 100°
- 110°
- 60°
- 118°
- Whit worth thread has an included angle of :
- 55°
- 60°
- 45°
- 90°
- Which is the Blank size of M12x1.75 mm?
- 10.25 mm
- 11.82 mm
- 11.25 mm
- 10.5 mm
- 30 H7/g6; –––––––––– is represented by ‘g’.
- Hole
- Grade
- Shaft
- Clearance
- What is the formula of calculating drill size for reamer?
- Reamed size – (Undersize + oversize)
- Reamed size – (Undersize x oversize)
- Reamed size – (oversize – Undersize)
- Reamed size + (Undersize – oversize)
- The included angle of ‘V’ block :
- 90°
- 60°
- 55°
- 80°
- Lip clearance angle in twist drill :
- 10° – 12°
- 8° – 12°
- 11° – 12°
- 7° – 8°
- Benchvice is specified :
- Distance of two jaws
- Length of jaw
- Width of jaw
- Length of vice
- In 5 S concept, 5 ‘S’ stands for ––––––––––.
- Sort, Set, Smooth, Shine, Standardize
- Sort, Show, Shine, Standardize, Sustain
- Sort, Set, Show, Shine, Sustain
- Sort, Set, Shine, Standardize, Sustain
- External thread cutter is known as :
- die
- tap
- die nut
- reamer
- In marking of grinding wheel the shellac bond is represented by which letter :
- S
- E
- B
- Y
- The least count of vernier micrometer :
- 0.01 mm
- 0.01 inch
- 0.001 mm
- 0.1 mm
- The difference between maximum limit of size and the minimum limit of size is called :
- actual size
- upper deviation
- lower deviation
- tolerance
- What is the equation of find the least count of vernier bevel protractor?
- 1MSD-1VSD
- 1MSD-2VSD
- 2MSD-1VSD
- 2MSD-2VSD
- The single cut file has rows of teeth cut in angle of :
- 50°
- 60°
- 75°
- 80°
- Which of the following letter represented a grinding wheel of medium grade?
- D
- H
- Y
- A
Question Error
- The top surface of joint the flank of the same thread is :
- Root
- Flank
- Pitch
- Crest
- A tumbler gear is provided for :
- Change the direction of feed
- Change the direction of the chuck
- Change the spindle speed
- None of these
- Which soluble cutting oil gives good performance in hard water?
- SERVO CUT ‘S’
- SERVO SYNTH5
- SERVO CUT XL
- SERVO CUT CLEAR
- Oblique cutting is most suitable for :
- Finish turning
- Knurling
- Facing
- Rough turning
- The cause for this defect is the tool’s cutting edge being blunt or getting blunt during its travel and the carriage not being locked; which defect is this?
- Pip in centre
- Convex face
- Concave face
- Rough finish in turning
- It is advisory that the tool to be used for finishing; the tool should have :
- Sharper nose
- Larger nose radius than normal
- Flat nose
- Flat nose than normal
- The recommended cutting speed for turning medium carbon steel is :
- 35 to 50 m/min
- 30 to 40 m/rev
- 30 to 35 m/min
- 35 to 50 mm/min
Question Error
- When carbide tools are used –––––––––– higher cutting speed than that of the HSS tools may be chosen.
- 4 to 5 times
- 5 to 6 times
- 1 to 2 times
- 3 to 4 times
- Which component is used for turning lengthy hexagonal bars along with fixed steady rest?
- Angle plate
- Mandrel
- Cat head
- Magnetic chuck
- The percentage of carbon in high carbon steel is :
- 0.3 to 0.7
- 0.15 to 0.3
- 0.4 to 0.6
- None of these
- Choose the correct factor about malleable cast iron :
- High brittle and low ductile
- Difficult for machining
- Cheaper than grey cast iron
- No self-lubricating property
Question Error
- Which material is used mostly for making crane hooks?
- Mild steel
- Wrought iron
- Cast iron
- Plain carbon steel
- Which determines the hardness or softness of abrasive wheel?
- Strength of abrasive
- Structure
- Grade of Bond
- Grit
- The selection of grinding wheel having hard graded bond for grinding hard metal which may results :
- Heavy reduction of material
- Heavy reduction from wheel
- Grooving
- Glazing
Question Error
- Which is the example of splash method of lubrication?
- Wick feed
- Stauffer screw
- Ring oiling
- Winkley oiler
- Which type of milling cutter is used for milling deep narrow slots and keyways?
- Staggered teeth side milling cutter
- Interlocking side milling cutter
- Half side milling cutter
- Helical side and face milling cutter
- Which factor is correct about Up-Milling?
- The feed direction of cutting Tool is same to its rotation
- The chip thickness is zero in starting
- The chip thickness is minimum towards the end of cut
- The main radial force which gives downward pressure and better holding of work
- In Milling Machine which is the following provides extra stability to the machine?
- Brace
- Overarm
- Knee
- Column
- Thin cut-off wheels are made with :
- Organic Bond
- Inorganic Bond
- Chemical Bond
- None of these
- Choose the correct RPM for turning a job having diameter 50 mm and cutting speed is 62.85 m/min :
- 350
- 400
- 450
- 300
- Which is heat treatment process produces a scale free surface on work piece?
- Induction hardening
- Nitriding
- Cyaniding
- Flame hardening
- A closed loop control system is also known as :
- Point to point control system
- Straight line control system
- Feedback control system
- Non Feedback control system
- Which of the following is the advantages of CNC machine?
- High maintenance cost
- High investment cost
- High accuracy and repeatability
- High training cost
- Basic elements or components of NC system are
- Program of instruction
- Machine control unit
- Mechanical tool or processing unit
- All of these
- Compared to open control system a closed control system is :
- Less accurate
- Less expensive
- More accurate
- None of these
- The CNC command G 01 means :
- Linear interpolation
- Circular interpolation
- Positioning in rapid
- None of these
- Several machines are controlled by central computer is called :
- CNC
- NC
- DNC
- None of these
- The CNC command M 08 is for :
- Coolant off
- Coolant on
- Chuck close
- Door close
- For the spindle rotation in clockwise, the CNC code is :
- M 04
- M 01
- M 03
- M 02
- Which of the mode is selected to feed manually in CNC program?
- Jog mode
- MDI mode
- Auto mode
- Edit mode
- Which of the following is non feedback control system?
- Open loop control system
- Point to point system
- Contouring system
- Close loop control system
- The G code for constant surface speed in CNC milling operation :
- G 96
- G 95
- G 94
- G 97
- CNC machine operations are controlled by using a :
- Cam
- Gear
- Belt
- Program
- In CNC machine MDA mode means :
- Machine data automatic
- Manual data automatic
- Manual data action
- Machine data action
- In drilling operation which control system is suitable :
- Open loop control system
- Closed control system
- Contouring control system
- Point to point control system
- Which of the following is the disadvantages of CNC machine?
- High accuracy
- High investment
- Lower tooling cost
- Increased productivity
- What you mean by MPG in CNC machine?
- Manual pulse generator
- Machine pulse generator
- Manual program guide
- Machine program guide
- The instruction describing miscellaneous or auxiliary functions in CNC program is by :
- M code
- N code
- G code
- W code
- In PTP control system feed drive is only in :
- Imaginary axis
- X axis
- Y axis
- Z axis
- In CNC programming G code is a :
- Auxiliary function code
- Miscellaneous function code
- Preparatory function code
- None of these
- In CNC programming each Line of program is known :
- Address
- Block
- Part
- None of these
- Cutting speed is expressed in :
- Metre per second
- Millimetre per second
- Millimetre per minute
- Metre per minute
- For rough and heavy cut suitable speed is :
- High speed
- Medium speed
- Super speed
- Low speed
- The storage symbol used in process chart is :
- Circle
- Triangle
- Square
- Arrow
- If depth of hole is more than 10 times diameter drill then the drilling is called :
- Plain drilling
- Deep hole drilling
- Centre drilling
- None of these
- The process chart shows the :
- Operation of work
- Sequence of operation
- Inspection method
- None of these
- Which of the following operation work in slow speed?
- Taper turning
- Thread cutting
- Chamfering
- Grinding
- The hydraulic system use a :
- Compressible fluid
- Incompressible fluid
- Compressed air
- None of these
- What you mean by TPM?
- Total productive maintenance
- Total product maintenance
- Total preventive maintenance
- None of these
- The method of calculating the various quantities and expenditure in particular job or process is called :
- Planning
- Processing
- Estimation
- None of these
- Breakdown maintenance is also called :
- Productive maintenance
- Preventive maintenance
- Corrective maintenance
- None of these
- In turning centre the spindle axis designated as :
- X axis
- Y axis
- Imaginary axis
- Z axis
- In CNC machine operation work offset is also known as :
- Geometrical offset
- Wear offset
- Zero offset
- None of these
- The CNC lathe bed ways are made of :
- Cast Iron
- Wrought Iron
- High speed steel
- None of these
- The carbon percentage in high carbon steel is :
- 0.1 to 0.25%
- 0.3 to 0.7%
- 0.15 to 0.3%
- 0.7 to 1.4%
- The property of material to retain its hardness at elevated temperature is known as :
- Vickers hardness
- Cold hardness
- Brinell hardness
- Red hardness
- Milling cutter is mounded on :
- Spindle
- Arbor
- Tool post
- Saddle
- Which feed is used for rough cutting?
- Large feed
- Small feed
- Moderate feed
- None of these
- High speed steel contain :
- 18% chromium 4% tungsten 1% vanadium
- 18% tungsten 4% chromium 1% vanadium
- 18% tungsten 4% vanadium 1% chromium
- 18% vanadium 4% tungsten 1% chromium
- If D is the initial diameter d is the finished diameter in lathe work, then the depth of cut is
- (D – d)/2
- (D + d)/2
- (d – D)/2
- None of these
- Which of the following factors effect the cutting speed?
- Cutting tool material
- Types of coolant
- Kind of material being cut
- All of these
- The highest peak in the Eastern Ghats :
- Anamudi
- Mahendragiri
- Doda Betta
- Dhaulagiri
- Which is the largest coastal salt water lake in India?
- Gobind Sagar
- Loletak
- Chilka
- Wular Lake
- The largest inhabited riverine island in the world is :
- Majuli
- Umananda
- Kampala
- Marajo
- The only large river in the Indian Desert region :
- Ravi
- Beas
- Jhelum
- Luni
- The meeting place of the rivers Ganga and Yamuna :
- Lucknow
- Ahmedabad
- Faridabad
- Allahabad
- Which state is known as the ‘Jewel of India’?
- Jammu and Kashmir
- Manipur
- Punjab
- Orissa
- ‘Anushilam’ was an organization during British rule in India, based on :
- Extremist ideas
- Radical ideas
- Revolutionary terrorism
- Moderate principles
- The Chauri Chaura incident happened during the Non-cooperation Movement was held on :
- 5 February, 1922
- 28 January, 1922
- 8 March, 1922
- 8 February, 1922
- In the following tourist attractions, which place is not in Idukki District?
- Blossom Park
- Cheeyappara Water Falls
- Pothamedu View Point
- Padinjarathara Dam
- In the following rivers, which river falls in the Paravoor Lake :
- Kallada
- Karuvannoor
- Ithikkara
- Kaariyamkoda
- “Vedadikara Niroopanam” is a book written by :
- Sree Narayana Guru
- Chattambi Swamikal
- Bodheswaram
- A.R. Rajaraja Varma
- Nakalapuram is the birthplace of :
- Thycand Ayya
- Ayya Vaikundar
- Brahmananda Sivayogi
- Vagbhatananda
- Sahodaran Ayyappan launched ‘Mishrabhojanam’ programme at Cherai in the year :
- 1915
- 1916
- 1917
- 1918
- Who led the first organized strike of agricultural labourers in Travancore?
- P. Krishna Pillai
- Ayyankali
- E.M.S. Namboothiripad
- Poikayil Yohannan
- Kumaranasan National Institute of culture at Thonnakkal was founded in the year :
- 1957
- 1962
- 1965
- 1958
- Who is the author of the book ‘Pakishtan : Beyond the Crisis States’?
- Amir Mir
- M.J. Akbar
- Khurram Iqbal
- Anupam Kher
Question Error
- The winner of the Australian Open 2018, Men’s Singles :
- Rafael Nadal
- Roger Federer
- Marin Cilic
- Oliver Marach
- Who won the Ezhuthachan Award 2017?
- K. Satchidanandan
- Vaisakhan
- C. Radhakrishnan
- Prabha Varma
- The Malayalam novel, “Daivathinte Pusthakam” is written by :
- T.D. Ramakrishnan
- C. Radhakrishnan
- K.P. Raman Unni
- Perumbadavan Sreedharan
- Malayalam actor Indrans won the Best Actor Award for the film :
- Ottamuri Velicham
- Kinar
- Bhayanakam
- Aalorukkam
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