Explore topic-wise MCQs in Digital Image Processing.

This section includes 56 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Image Processing knowledge and support exam preparation. Choose a topic below to get started.

1.

During marking, the reference surface is provided by _____.

A. work piece
B. bore gauge
C. marking-off table
D. sketch of the job
Answer» D. sketch of the job
2.

A file having 20 teeth (approximately) per 1 inch is generally termed as a ______ file.

A. rough
B. second cut
C. dead-smooth
D. smooth
Answer» B. second cut
3.

From which material is a hammer made?

A. Drop-forged carbon steel
B. Wrought Iron
C. Mild steel
D. Cast iron
Answer» B. Wrought Iron
4.

File used for removing metal in large quantity _______

A. Smooth file
B. Second cut file
C. Bastard file
D. Triangular file
Answer» D. Triangular file
5.

A hollow punch is used for punching holes in ______ .

A. leather
B. cast iron
C. gold
D. mild steel
Answer» B. cast iron
6.

A master height gauge is used to measure _____.

A. concentricity
B. groove widths
C. pitches
D. hole location
Answer» B. groove widths
7.

______ is NOT a part of a combination set.

A. Center head
B. Protractor head
C. Slip gauge
D. Square head
Answer» D. Square head
8.

A tapping hole should be ______ the tap size.

A. equal to
B. 10 mm bigger than
C. larger than
D. smaller than
Answer» E.
9.

Grade A 'V' blocks are available only up to _______ length.

A. 100 mm
B. 500 mm
C. 700 mm
D. 900 mm
Answer» B. 500 mm
10.

On which part of the Vernier height gauge, are the main scale division graduated?

A. Fine adjusting nut
B. Base
C. Beam
D. Scriber
Answer» D. Scriber
11.

For flowering or frosting _____ scraper is used

A. Triangular
B. Hook
C. Flat
D. Bull nose
Answer» C. Flat
12.

Parallel blocks are used for_______.

A. levelling machine tools
B. setting workplace horizontal
C. cutting parallel keys
D. marking parallel lines along an edge
Answer» C. cutting parallel keys
13.

_____ is the range of bevel protractor.

A. 0 – 180°
B. 90° – 270°
C. 0 – 90°
D. 0 – 360°
Answer» B. 90° – 270°
14.

A slight convexity is given to the cutting edges of flat chisel to ______.

A. allow the lubricant to enter
B. cut sharp corners
C. prevent digging of the ends of cutting edge
D. cut curved surfaces
Answer» D. cut curved surfaces
15.

High carbon steels are machined using tools having

A. Small positive rake angle
B. Large positive rake angle
C. Zero rake angle
D. Negative rake angle
Answer» D. Negative rake angle
16.

Fine adjusting screw of a Vernier caliper is used to ____.

A. lock Vernier carrier
B. take accurate measurement
C. lock inner jaw
D. lock fine dusting carrier
Answer» C. lock inner jaw
17.

Indexing fixture is used in _______

A. Surface finishing on a milling machine.
B. Countersink boring on a drilling machine.
C. Turning operation on a lathe.
D. Gear cutting operation on a milling machine.
Answer» E.
18.

Least count of steel rule is ________.

A. 0.1 mm
B. 0.05 mm
C. 0.01 mm
D. 0.5 mm
Answer» E.
19.

A hole is to be made on mild steel with a 12 mm diameter reamer. If the under size is 0.3 mm and if the oversize is 0.05 mm, what will be the diameter of the drill for drilling the hole before reaming?

A. 11.65 mm
B. 12.35 mm
C. 10.70 mm
D. 12.05 mm
Answer» B. 12.35 mm
20.

For tapping with M5 × 0.8 tap, what size of drill will you use?

A. 4.8 mm
B. 3.0 mm
C. 3.5 mm
D. 4.2 mm
Answer» E.
21.

In tool signature, nose radius is indicated

A. in the middle
B. in the beginning
C. not indicated
D. at the end
Answer» E.
22.

A Vernier scale is good enough to read in _____ after the decimal.

A. One digit
B. Two digits
C. Three digits
D. Four digits
Answer» C. Three digits
23.

For marking round-shaped work piece_____ can be used.

A. Vee block
B. Angle plate
C. Try square
D. None of these
Answer» E.
24.

A block level can be used for checking _____.

A. only vertical alignment
B. only horizontal alignment
C. only angular alignment
D. vertical & horizontal alignment
Answer» E.
25.

Constant measuring pressure in micrometer screw gauge is ensured by

A. Lock nut
B. Barrel and Thimble
C. Spanner
D. Ratchet screw
Answer» E.
26.

How many divisions are graduated on the thimble of micrometer?

A. 15
B. 50
C. 25
D. 40
Answer» C. 25
27.

A prick punch having angle of taper 60° is used for _____.

A. punching marks for holes to be drilled
B. removing broken thread
C. locating hole position
D. locating divider points
Answer» B. removing broken thread
28.

Dial gauge typically measure in the range of _____.

A. 600 mm to 700 mm
B. 400 to 500 mm
C. 800 to 900 mm
D. 0.25 to 300 mm
Answer» E.
29.

Plain ring gauges are used to check:

A. accuracy of external threads
B. accuracy of internal of work piece
C. inside diameter of work piece
D. outside diameter of work piece
Answer» E.
30.

Least count of Vernier depth gauge ____

A. 0.02 mm
B. 0.1 mm
C. 0.01 mm
D. 0.001 mm
Answer» B. 0.1 mm
31.

Choose the best device to hold and locate a round bar for drilling.

A. 'V’-block
B. Adjustable locator
C. Pin locator
D. Wedge type location
Answer» B. Adjustable locator
32.

Name the instrument to measure height of block step.

A. Tube micrometer
B. Outside micrometer
C. Depth micrometer
D. Inside micrometer
Answer» D. Inside micrometer
33.

A sine bar is used to measure the angle between the height of a slip gauge and the

A. width of the sine bar
B. height of the sine bar
C. number of the slip gauge
D. length of the sine bar
Answer» E.
34.

A standard hacksaw blade of 300 mm length has 375 teeth. What is the classification and type of set of the blade?

A. Medium, Wave set
B. Medium, Staggered set
C. Fine, Staggered set
D. Fine, Wave set
Answer» E.
35.

Marking media used for casting & forging surfaces is ________.

A. Chalk powder
B. Prussiam blue
C. Copper sulphate
D. Cellulose Lacquer
Answer» B. Prussiam blue
36.

A dial gauge is a

A. measuring instrument
B. comparator
C. limit gauge
D. inspection fixture
Answer» C. limit gauge
37.

At which position of Vernier height gauge, the scriber is on the same level (coplanar) as the base.

A. Vernier scale at 3/4 th position.
B. Vernier scale at middle position
C. Vernier scale at ¼ th position.
D. When Vernier scale reads zero.
Answer» E.
38.

Bench vice is an example of:

A. Jig
B. Fixture
C. Locator
D. Clamping device
Answer» E.
39.

High speed steel is an alloy of

A. 18% tungsten, 12% chromium and 4% Vanadium
B. 30% chromium, 20% tungsten and 4% carbon
C. 18% tungsten, 6% chromium and 4% Vanadium
D. 18% tungsten, 4% chromium and 2% Vanadium
Answer» E.
40.

A mallet is generally made up of _____

A. cast iron
B. chrome vanadium
C. mild steel
D. wood
Answer» E.
41.

An outside micrometer has a negative error. The correct reading can be taken by:

A. adding twice the negative error in the actual reading
B. adding the negative error in the actual reading
C. deducing the negative error from the actual reading
D. deducting twice the negative error from the actual reading
Answer» C. deducing the negative error from the actual reading
42.

Match the pairs of instruments and their applications:List-I InstrumentsList-II ApplicationsI.Tool Makers MicroscopeA.Surface profileII.AutocollimatorB.Thread profile parametersIII.Dial gauge with standC.Squareness testingIV.TalysurfD.Machine settingSelect the correct pairs from the following:

A. I-B, II-C, III-D, IV-A
B. I-A, II-B, III-C, IV-D
C. I-B, II-A, III-C, IV-D
D. I-B, II-D, III-A, IV-C
Answer» B. I-A, II-B, III-C, IV-D
43.

It works on the principle of rake & pinion.

A. Vernier bevel protactor
B. Dial test indicator
C. Vernier height gauge
D. Micrometer
Answer» C. Vernier height gauge
44.

Identify the file having flat, triangular face with teeth on the wide face only used for finishing sharp corners.

A. Riffler file
B. Crossing file
C. Barrette file
D. Mill saw file
Answer» D. Mill saw file
45.

A snap gauge is:

A. cylindrical
B. oval shaped
C. ‘C’ shaped
D. square shaped
Answer» D. square shaped
46.

How many teeth of taper tap bottom are chamfered?

A. 1 to 2
B. 4 to 6
C. 20 to 30
D. 7 to 10
Answer» B. 4 to 6
47.

IMAGE_PROCESSING_APPROACHES_OPERATING_DIRECTLY_ON_PIXELS_OF_INPUT_IMAGE_WORK_DIRECTLY_IN_____________?$

A. Transform domain
B. Spatial domain
C. Inverse transformation
D. None of the Mentioned
Answer» C. Inverse transformation
48.

Imaging systems having physical artefacts embedded in the imaging sensors produce a set of points called _________?

A. Tie Points
B. Control Points
C. Reseau Marks
D. None of the Mentioned
Answer» D. None of the Mentioned
49.

Consider two regions A and B composed of foreground pixels. The ________ of these two sets is the set of elements belonging to set A or set B or both.

A. OR
B. AND
C. NOT
D. XOR
Answer» B. AND
50.

If every element of a set A is also an element of a set B, then A is said to be a _________ of set B.

A. Disjoint set
B. Union
C. Subset
D. Complement set
Answer» D. Complement set