Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Slivers per can in small barrel cylinders/aprons are

A. 8
B. 6
C. 4
D. 2
Answer» E.
2.

According to mechanical feedback principle draft is adjusted according to incoming

A. speed variations
B. size variations
C. fibre length variations
D. count variations
Answer» E.
3.

In weak zone, greater number of

A. negative winding occurs
B. positive winding occurs
C. breaks occur
D. twists occur
Answer» D. twists occur
4.

Hardness and elasticity of rubber of barrel cylinders determines material

A. variation
B. hardness
C. rigidity
D. elasticity
Answer» B. hardness
5.

Barrel cylinders helps in retaining material to make fibers sink into spikes of

A. Herrison cylinder
B. elastic nip
C. plastic nip
D. drawing head
Answer» B. elastic nip
6.

In spinning unit, rotor moves at a high speed of

A. 300,000 rpm
B. 200,000 rpm
C. 400,000 rpm
D. 100,000 rpm
Answer» E.
7.

Final operation for obtaining yarn is called

A. spinning
B. combing
C. ultimate spinning
D. carding
Answer» D. carding
8.

After leaving drafting unit, material changes angles when passing through

A. yarn guide
B. anti balloon ring
C. traveler
D. all of above
Answer» E.
9.

Machine is mounted on modules of 24 units on

A. 3 sides
B. 2 sides
C. 1 side
D. 5 sides
Answer» C. 1 side
10.

In ring spinning frame, bobbin rail is in the

A. upper part
B. central part
C. lower part
D. outside
Answer» D. outside
11.

Variation in speed of traveler rotation depends on

A. winding diameter
B. winding rotation
C. winding
D. none of above
Answer» B. winding rotation
12.

Compact spinning system is made up of a pair of 4-4' entry cylinders, 3-3' cylinders with apron and

A. 2-2' delivery cylinders
B. 3-3' delivery cylinders
C. 4-4' delivery cylinders
D. 5-5' delivery cylinders
Answer» B. 3-3' delivery cylinders
13.

In intersecting rotating disks, sliver per reel in one head per machine is

A. 0
B. 1
C. 2
D. 3
Answer» C. 2
14.

Mobile pulley of mechanical autoleveller moves depending on material mass that is

A. small
B. big
C. constant
D. smaller or bigger than the stored value
Answer» E.
15.

Fancy yarn has wide range of

A. colors
B. constructions
C. both a and b
D. twists
Answer» D. twists
16.

Feeler of mechanical autoleveller is connected to a lever system that

A. amplifies the variations
B. reduces variations
C. subsides variations
D. make variation constant
Answer» B. reduces variations
17.

Two head drawframe is used to process

A. 2 slivers
B. 3 slivers
C. 4 slivers
D. 6 slivers
Answer» B. 3 slivers
18.

If spinning and twisting machine is fed with yarn rather than rovings, it becomes a/an

A. in and in twisting machine
B. out and out twisting machine
C. in twisting machine
D. out twisting machine
Answer» C. in twisting machine
19.

Pairs of rollers in drawing head having intersecting rotating disks are called

A. rotators
B. controllers
C. rollers
D. head rollers
Answer» C. rollers
20.

Position of spinning components must be carefully defined in order to achieve

A. minimum spinning yield
B. maximum spinning yield
C. minimum breakage
D. minimum entanglements
Answer» C. minimum breakage
21.

Machine is mounted on modules carries a maximum number of

A. 288 units per machines
B. 282 units per machines
C. 286 units per machines
D. 289 units per machines
Answer» B. 282 units per machines
22.

As compared to 'C' type traveler, oval shaped traveler provides space which is

A. less
B. more
C. no space
D. both a and b
Answer» C. no space
23.

Compact spinning system are called as

A. condensation system
B. liquidation
C. spinning system
D. compact system
Answer» B. liquidation
24.

When spindle travels at high speed, it causes traveler to

A. heat up
B. slow down
C. torn up
D. stop
Answer» B. slow down
25.

Factors that negatively effect yarn tension are related to the

A. balloon shape
B. balloon limiter
C. balloon size
D. balloon roundness
Answer» D. balloon roundness
26.

Converting sliver into roving occurs in

A. 2 stages
B. 3 stages
C. 4 stages
D. 5 stages
Answer» C. 4 stages
27.

Maximum feeding speed allows proper operating mode of

A. autoleveller
B. mechanical autoleveller
C. disk
D. pegs
Answer» C. disk
28.

Twist number and direction depends on

A. twist of the fiber
B. force of the fiber
C. type of the fiber
D. fiber strength
Answer» D. fiber strength
29.

Slivers per head in small barrel cylinders/aprons are

A. 3
B. 2
C. 1
D. 0
Answer» D. 0
30.

'C' type traveler offers space for thread which is

A. less
B. more
C. no space
D. all of above
Answer» C. no space
31.

'C' type traveler is

A. preferred over M type
B. not preferred
C. small
D. big
Answer» C. small
32.

When material passes through feeler to drawing, mechanical memory rotates by

A. two-fourths of a turn
B. three-fourths of a turn
C. 4 times of a turn
D. 2 times of a turn
Answer» C. 4 times of a turn
33.

Memory speed in spinning is

A. fixed
B. non adjustable
C. adjustable
D. constant
Answer» D. constant
34.

'C' type traveler presents barycenter which is

A. small
B. big
C. low
D. high
Answer» E.
35.

In conventional spinning frame, when fibers comes out of draft cylinders

A. spinning wheel is formed
B. spinning triangle is formed
C. spinning grid is formed
D. spinning circle is formed
Answer» C. spinning grid is formed
36.

Spikes row of controllers is staggered so fibers donot run along the

A. linear pattern
B. circular pattern
C. curvilinear pattern
D. rotating pattern
Answer» B. circular pattern
37.

To maintain same pitch of winding helix, speed of carriage should be

A. same
B. different
C. increased
D. reduced
Answer» E.
38.

Counts produced in spinning twisting machine are

A. 2-24 Nm
B. 24-34 Nm
C. 35-45 Nm
D. 45-49 Nm
Answer» B. 24-34 Nm
39.

Yarn's conical package have a diameter of

A. 300 x 180 mm
B. 270 x 152 mm
C. 450 x 190 mm
D. 490 x 250 mm
Answer» C. 450 x 190 mm
40.

Automated piecing and package doffing is done for a number variable between

A. 1-9-3 per machine
B. 1-5-3 per machine
C. 1-9-2 per machine
D. 1-2-4 per machine
Answer» E.
41.

Mechanical memory disk of mechanical draft autoleveller stays in constant rotation with help of

A. pegs
B. threaded pegs
C. rollers
D. centripetal force
Answer» C. rollers
42.

Operator can stop spindle to repair and replace yarns using

A. handle
B. control panel
C. breaker
D. control unit
Answer» B. control panel
43.

Roving frame converts sliver into

A. Roving
B. web
C. tuft
D. lap
Answer» B. web
44.

Maximum limit of spindle in modern spinning frame for a gauge of 70mm is

A. 1020
B. 1050
C. 1080
D. 1090
Answer» D. 1090
45.

Mechanical memory in mechanical draft autoleveller is a

A. roller
B. rod
C. disk
D. plate
Answer» D. plate
46.

Heads per machines in small barrel cylinders/aprons are

A. 5
B. 6
C. 2
D. 4
Answer» E.
47.

Fibre control is enhanced by number of spikes due to the

A. reduction of nip
B. increase in nip value
C. reduction in speed
D. reducing head
Answer» B. increase in nip value
48.

Mechanical autoleveller applies

A. feedback principle
B. mechanical feedback principle
C. automatic feedback principle
D. manual feedrack principle
Answer» C. automatic feedback principle
49.

As compared to feed speed, peripheral speed of teeth is

A. high
B. same
C. low
D. variable
Answer» D. variable
50.

Control system best for process is selected on basis of

A. quantity of fibers to be processed
B. quality of fibers to be processed
C. weight of fibers to be processed
D. length of fibers to be processed
Answer» B. quality of fibers to be processed