Printing of Polyester (PET) with disperse dye

Which of the following one is considered as the main disadvantage of the lea-strength tester ?

Which of the following fabric will break first during hydraulic bursting strength tester ?

The FAST system is used to measure the properties of fabric which affects..............of the fabric.

The property that Kawabata Evaluation System (KES) does not measure is

The mean range of the count test results on a 50s cotton yarn is 3.4. Four bobbins are tested in each sample. Calculate the percentage mean deviation.