Skip to content
10th Level - Practice App Completely Free · 100K+ Users Install

Kerala PSC Offset Printing Machine Operator Gr II Previous Question Paper – 057/2026/OL

Practice Mode

Sit all 100 questions full screen, one at a time. Sign in and your score, your time and where you got to are kept — put it down here and finish it on your phone.

Sign in to practise
Post NameOffset Printing Machine Operator Gr II
DepartmentPrinting
Question Paper Code057/2026/OL
Category Code016/2025
Date of Test16 April 2026
Exam TypeOnline Examination
Total Questions100
1
The first lithographic press was known as
Answer
C. Flatbed press
2
In the word lithography, what does lithos mean?
Answer
B. Stone
3
Identify the odd one out from the following printing processes
Answer
D. Flexography
4
In which type of editing are grammar, spelling, and punctuation checked?
Answer
B. Copy editing
5
Which of the following is an example of a periodical?
Answer
A. The Hindu
6
The compilation of quality control devices on a single sheet or page is called as
Answer
B. Test form
7
Which quality control device uses numbers to measure the dot reproduction of halftones and process colors?
Answer
C. Dot gain scale
8
Which colour measurement device measures the light intensity and wavelength of colours?
Answer
B. Spectrophotometer
9
Which quality control device is used to ensure proper alignment of different colours in printing?
Answer
B. Register marks
10
Which quality control device on a colour bar is used to indicate slur caused by cylinder slippage?
Answer
C. Slur gauge
11
Wavelength of visible light ranging from
Answer
A. 400nm to 770nm
12
Who first explained the visible spectrum by dispersing white light through a glass prism?
Answer
C. Isaac newton
13
Grass appears green because it
Answer
D. Absorbs red and blue light and reflects green light
14
Which filter is used to produce Magenta Plate?
Answer
B. Green
15
A moiré pattern is formed when:
Answer
C. Two different screen patterns are randomly positioned
16
A ______________ is an electronic device that accepts data from the user.
Answer
A. Computer
17
MAN is a comparatively __________ network that covers large regions- like towns, cities, etc.
Answer
B. Wider
18
Which font styles are commonly used in Print Publications?
Answer
C. Serif
19
Vector Types of Fonts are made up from
Answer
A. lines and drawing
20
Word processing software provides ___________ features.
Answer
D. All the above
21
Computer application used for composing, Editing, Formatting and Printing Documents.
Answer
D. Word Processing
22
Software that allows images to be edited and also converted to different graphics formats.
Answer
D. 2 & 3
23
__________ is the practice by which people use online tools to write, organize, edit and make available all kinds of readable media on the Internet.
Answer
C. Online Publishing
24
Which type of published documents can be sent all over the world in a matter of seconds?
Answer
C. Electronic Publishing
25
Identify the below given Diagram of Paper sheet folding.
Answer
C. Octavo
26
Why Preflighting required in Digital workflow?
Answer
D. All the above
27
The term________________ has come to be very closely associated with the Postscript page description language.
Answer
C. Raster Image Processor
28
What is Moire?
Answer
A. Interference of dot pattern
29
Match the following. A. UCR I. Gray Component Replacement B. GCR II. Under Color Addition C. UCA III. Under Color Removal D. USM IV. Unsharp Masking Choose the correct answer from the Option Given below:
Answer
D. A B C D III I II IV
30
Which type of originals have no gradation of tone?
Answer
A. Line
31
Match the following A. RIP I) Computer to Plate B. CTP II) Computer to Film C. CTF III) Raster Image Processing D. CCD IV) Charge couple device Choose the correct answer from the Option Given below:
Answer
D. A B C D III I II IV
32
Identify the below image Processing method
Answer
B. External Drum Image Setter
33
Aluminum Based has ______________ Coating.
Answer
B. Sliver Halide
34
Which type of materials gives best quality print for Flexographic Printing?
Answer
C. Photopolymer
35
Computer controlled direct imaging of printing plates from Digital Data is called as ______________
Answer
B. CTP
36
The problem that occurs when the ink appears in the non image areas due to insufficient dampening of the plate is called
Answer
C. Catch-up
37
A preliminary pass of the sheet under pressure through the press to remove excessive spray powder, surface material and other debris
Answer
B. Dry dusting
38
The ability of the blanket to withstand pressure tension and physical abuse on the press is called
Answer
C. Durability
39
The first of several sheets that runs through the press to verify lineup, register and non image areas
Answer
C. lay sheets
40
The extend to which paper resist or retards penetration of the freshly printed ink film is called
Answer
A. Ink holdout
41
Small diameter hard rollers that helps to keep the ink system clean by picking up ink skin particles, lint etc.
Answer
C. pipe roller
42
The color of an ink Ink in bulk such as in a can, or thick film of ink
Answer
D. mass tone
43
A substance that prevents calcium, and magnesium compounds in the dampening solution from precipitating is called
Answer
D. Sequestering agent
44
An optical loss of density and color strength that may occur while an ink is setting is
Answer
A. Dry back
45
The direction of minimum strength on a blanket
Answer
D. Weft
46
A device that detects foreign objects on the feed board and prevents their passage into the printing unit
Answer
B. Crash bar
47
GRACoL means
Answer
D. General requirements for Application in Commercial Offset Lithography
48
A device that helps to keep the sheet flat on the feedboard
Answer
B. Smoother
49
General properties’ of B pulp paper, which of the following is correct I. Uncoated II. Composition-Chemical pulp, groundwood pulp and filler. III. The whiteness is fixed IV. Calendered paper for web offset printing
Answer
D. all of the above
50
The difference in height between cylinder body and bearer is called
Answer
C. Undercut
51
The measure of the Ability of pigment or dye to impart its color to a system is called
Answer
A. Tinting strength
52
Which of the Following is the most powerful liquid drier used in ink manufacturing
Answer
C. Cobalt
53
An example of an laking agent is ____________
Answer
B. Tannic Acid
54
The term used to describe the uniformity of the sheet structure and orientation of the fibres
Answer
C. formation
55
The energy required to propagate a initial tear on paper through a fixed distance
Answer
B. Internal Tear resistance
56
The device on a webfed press used for splicing a fresh roll of paper to an expiring roll while each web rotates at press speed and without stopping the press is called _________.
Answer
A. Flying pastor
57
Which of the following statements are true with respect to press console? (i) It provides electronic control for register and image quality on the moving web (ii) Press adjustments can be made as the press is running at printing speed. (iii) Once it is set properly, computer continuously monitor press performance and make adjustments to maintain those settings.
Answer
C. All the above
58
A device that folds the web by pulling it over a triangular shaped board is called ________.
Answer
A. Former folder
59
Which among the following printing processes has a doctor blade in the printing unit? (i) Flexo (ii) Gravure (iii) Screen printing
Answer
B. (i) and (ii)
60
Find out the most appropriate statements(s) related to Flexography (i) It is used for printing on packaging products including foil, tissue, paper , paper board, corrugated board and plastic film (ii) Used for printing flex boards and banners (iii) It was known as aniline printing in the olden days (iv) Anilox rollers are used for transferring ink to the image area.
Answer
B. (i), (iii) and (iv) only
61
An anilox roller is used for __________.
Answer
A. Transferring ink to the relief image plate cylinder in a flexo press
62
The material used for making a doctor blade that presses against a gravure cylinder is __________.
Answer
D. Any of the above
63
Which printing process gives the highest quality image even on low quality printing papers?
Answer
D. Gravure
64
Statements given below describe about the different types of wells etched or cut into the surface on a gravure cylinder from which the ink is transferred. Find out the correct statements(s) (i) Direct contact wells vary in opening size but all have the same depth. (ii) Lateral hard dot wells have uniform depth and opening. (iii) Conventional gravure wells vary in depth, but all have the same opening size.
Answer
C. (i) and (iii)
65
Cylindrical screens are used for __________.
Answer
D. Print continuously repeating images on long roll materials
66
Example of multi-filament screen fabric is/are ____________
Answer
C. Silk
67
Given below are steps in preparation of a type of stencil for screen printing. Exposure ® Development ® Washing ® Application of Stencil to the Screen ® Drying ® Removal of the base material Identify the method.
Answer
B. Indirect photographic
68
Analyse the following processes and materials related to printing. Identify those related to green printing. (i) Use of paper made with alternative chemicals (ii) Use of recycled paper (iii) Use of soy based inks (iv) User of renewable energy resources
Answer
D. All the above
69
Which among the following statements is/are true in respect of non- impact printing? (i) It does not have a permanent image carrier (ii) It utilises pressure to transfer an image to the substrate (iii) It is the fastest printing method in which we get copies instantly (iv) It has a permanent image carrier that can be kept and reused
Answer
B. (i) and (iii)
70
Study the following table in which major impact printing processes and the nature of image carriers are given. Pick the correctly matched pairs from the options given below the table. Printing Nature of image carrier Method (i) Relief printing (a) Image area is open (ii) Intaglio (b) Image and non-image areas are on the printing same level (iii) Lithography (c) Image area is raised (iv) Screen (d) Image area is sunken printing
Answer
A. (i)-(c), (ii)-(d), (iii)-(b), (iv)-(a)
71
Removing the edges of the gathered sheets using knives is _____________ principle of perfect binding.
Answer
B. Spine Routing
72
As per the FOGRA standard in N/cm very good binding strength is _______.
Answer
C. 8
73
B0 paper size is __________ (mm mm)
Answer
A. 1000 * 1414
74
A small pointed tool used for piercing holes, on sections of the book is called as _________
Answer
C. Awl
75
Calculate the weight of the paper? GSM = 80, Paper size = 23*36 (in inches), Number of sheets = 500
Answer
A. 21.35 kg
76
Which chemical is used as a buffer in the fountain solution?
Answer
A. Magnesium Nitrate
77
Find out the ink problem? Ink pigment does not bind to the paper
Answer
C. Chalking
78
Assertion : Hickeys : Donut-shaped white spots on printed surface. Reason : One of the reasons for Hickey's formation is dried ink particles.
Answer
A. Both (A) and (R) are true. (R) explains (A)
79
Which problem occurs with the visibility of printing from the reverse side due to lack of opacity of the paper?
Answer
D. Show through
80
Distinguish between necessary and unnecessary items and discard the unnecessary items in 5S?
Answer
B. Seiri
81
Water used in the dampening solution should have a hardness level of between __________ dH.
Answer
A. 8 and 12
82
Assertion : IPA is used as wetting agent in the fountain solution. Reason : It increases the surface tension.
Answer
C. (A) true, (R) false
83
Image elements overlap into subsequent image areas in the direction of print is called as ____________.
Answer
D. Ghosting
84
Alcohol-free dampening solutions contain alcohol substitutes of __________.
Answer
A. Glycol
85
The thickness of the blanket is approximately _____________.
Answer
B. 2 mm
86
A ''guillotine'' makes what type of cut?
Answer
B. Straight
87
Slitting is often performed on which machine
Answer
A. Folding machine
88
What is a ''knife folder'' typically used for?
Answer
A. Thick paper
89
'Spot UV'. means?
Answer
B. UV applied only to specific areas
90
'Perforation' is used for
Answer
B. Easy tearing
91
Which of the following is an example of ''Intelligent Packaging'''?
Answer
C. Colour changing freshness label
92
''Tertiary Packaging'' is primarily used for
Answer
C. Bulk handling and transport
93
What is primary function of ''Primary packaging''?
Answer
B. To directly contain and protect the product
94
Which of the following is an example of secondary packaging?
Answer
B. A shrink-wrapped pack of 6 detergent bottles
95
Which material is frequently used to pack fried snack foods, often lined with aluminium foil?
Answer
A. LDPE
96
Which pencil grade produce the darkest and softest lines?
Answer
D. 4B
97
Which tool is used to draw curves that are not circular?
Answer
C. French curves
98
Which line is used to represent hidden edges?
Answer
C. Dashed narrow line
99
Which of the following is not a common characteristic of helical gears compared to spur gear?
Answer
B. Greather noise
100
In a high speed offset printing machine which gear type is preferred for smoother, quieter operation?
Answer
B. Helical gear

Related reading

Discussion

Ask a doubt or share a tip.

No comments yet — start the discussion.

Leave a comment

Your email address and number are never published. Required fields are marked

We will email you a code to confirm the address. Posting creates a PSCNET account if you do not have one.

By posting, you agree to our Privacy Policy.