Question67:-If the front top roller of a ring frame having diameter of 1 inch becomes eccentric, at what wave length of
spectrogram do you expect a peak?

A:-8 cm

B:-2.54 cm

C:-4 cm

D:-1.27 cm

Correct Answer:- Option-A

Question68:-8 slivers each with a CVm of 2.8% are fed to a draw frame. If the draw frame adds a CVm of 1%, what will be
the CVm of ouput sliver?

Correct Answer:- Option-C
Question69:-Low strength mechanical properties are strongly correlated with
A:-Fabric thermal comfort
B:-Fabric drape
C:-Fabric dimensional stability
D:-Fabric handle
Correct Answer:- Option-D
Question70:-Which one of the following parameters has no influence on air permeability?
A:-Fabric cover factor
-Yarn twist density
C:-Fabric stiffness
D:-Fabric porosity
Correct Answer:- Option-C
Question71:-What is the GSM (g/m?) of a square jammed plain cloth made from 20 tex cotton yarns of 0.17 mm diameter?

D:-364
Correct Answer:- Option-B
Question72:-Which one of the following statements is false?
A:-Equally strong but more extensible yarn will lead to higher grab strength.

-The grab strength of a fabric is higher than its strip strength.
C:-Tear resistance of a fabric is only a fraction of its tensile resistance.
D:-The grab strength of a fabric reduces as the fabric width increases.
Correct Answer:- Option-D

Question73:-If same yarn is used for both wrap and weft, maximum fabric thickness is
A:-Three times of yarn diameter
B:-Two times of yarn diameter
C:-Four times of yarn diameter
D:-Yarn diameter
Correct Answer:-Question Cancelled

Question74:-Thermal resistance values of fabrics in an assembly are
A:-Multiplicative
B:-Substractive
C:-Additive
D:-Average
Correct Answer:- Option-C

Question75:-Shear stress vs. shear strain curve of a fabric shows
A:-Linearity with hysteresis
B:-Nonlinearity with hysteresis
C:-Linearity without hysteresis
D:-Nonlinearity with hysteresis
Correct Answer:- Option-B

Question76:-Self-twist spinning is most suitable for
A:-Cotton
B:-Jute