A:-Ring spun yam is strong and hairy as compared to rotor spun yam

B:-Rotor spun yam is even and weaker as compared to ring spun yam

C:-Air jet spun is harsh and compact as compared to ring spun yam

D:-All of these

Correct Answer:- Option-D
Question57:-In case of cotton, AFIS can be used to measure

A:-Strength

B:-Elongation

C:-Maturity

D:-Number of convolutions

Correct Answer:- Option-C
Question58:-A carding machine working at 90% efficiency has doffer speed 42 m/min and production rate 10.6 kg/hr.
Assuming no draft between doffer and delivery roller, find the density of sliver in ktex.

A2
B:-3
C:-4
05
Correct Answer:- Option-D
Question59:-As compared to the yam fault Al, the fault D4 is
A:-Thinner and longer
B:-Thinner and shorter
C:-Thicker and longer
D:-Thicker and shorter
Correct Answer:- Option-C
Question60:-On a ring frame, the spindle speed is 16,000 rpm. If the yam twist is 8 tums per cm and winding on
circumference is 4 cm, the traveler rpm would be
A:-16160
B:-15840
C:-15500
D:-16500
Correct Answer:- Option-B
Question61:-In a comber, if the feeding takes place when the nippers are going backwards, it is called
A:-Asymmetric feed
B:-Reverse feed
C:-Forward feed
D:-None of these
Correct Answer:- Option-B
Question62:-For a balanced twist two fold yamn, F/S twist ratio i.e. folding twist/spinning twist =
‏3-ھ‎
‎6:2
‎6:1
‎D:-none
‎Correct Answer:- Option-A
Question63:-Bobbin leading mechanism is preferred over flyer lead mechanism in roving frame because
A:-It helps to reduce the power requirements of the machine
B:-When roving breaks, it will trail and not unwind
C:-Both of these
D:-None of these
Correct Answer:- Option-C
Question64:-The most suitable yam out of followings to run at warping/weaving will be
A:-Tenacity = 22 gpt, Strength CV = 8%
B:-Tenacity = 22 gpt, Strength CV = 18%
C:-Tenacl 20 gpt, Strength CV ௨ 12%
D:-Tenacity = 20 gpt, Strength CV = 18%
Correct Answer:- Option-A
Question65:-The wasted movement in a loom is maximum in case of
A:-Bottom closed shed
B:-Semi-open shed
C:-Open shed