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:-8em

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?

2:-3.8%

6:6
D:-1.8%
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
B:-Yamn 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 yams of 0.17 mm diameter?
A:-154
B:-164
C:-264
D:-364
Correct Answer:- Option-B
Question72:-Which one of the following statements is false?
A:-Equally strong but more extensible yam will lead to higher grab strength.
B:-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 yam is used for both wrap and weft, maximum fabric thickness is
A:-Three times of yam diameter
B:-Two times of yam diameter
C:-Four times of yam diameter
D:-Yamn diameter
Correct Answer:- Option-A
Question7 4:-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