A:-Ring spun yarn is strong and hairy as compared to rotor spun yarn
B:-Rotor spun yarn is even and weaker as compared to ring spun yarn
C:-Air jet spun is harsh and compact as compared to ring spun yarn
D:-Alll of these
Correct Answer:- Option-D
Question57:-In case of cotton, AFIS can be used to measure
A:-Strength
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.
൧-2
8:-3
C:-4
D:-5
Correct Answer:- Option-D
Question59:-As compared to the yarn fault A1, 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 yarn twist is 8 turns 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
-Reverse feed
C:-Forward feed
D:-None of these
Correct Answer:- Option-B
Question62:-For a balanced twist two fold yarn, F/S twist ratio i.e. folding twist/spinning twist =

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
-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 yarn 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:-Tenacity = 20 gpt, Strength CV = 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