Textile Engineering Gate 2020 Questions with Answer
Ques 53 GATE 2020
The 'standard machine rate of loading' of a tensile tester, working on pendulum lever principle, is 440 N/cm. As the pendulum lever swings from 30° to 45° the machine rate of loading (N/cm) reduces by (rounded off to 2 decimal places) __________.
Ques 54 GATE 2020
Under a load of 500 cN, the extension of a yarn of 300 mm length is 10%. If the elastic recovery is 90%, then the length (mm) of the yarn after removal of load is
Ques 55 GATE 2020
In carding, the highest draft is kept between
Ques 56 GATE 2020
The spinning system in which one revolution of twisting element imparts several turns to the fibre strand is
Ques 57 GATE 2020
A twin-delivery drawframe, running at a delivery speed of 800 m/min with an efficiency of 95%, is producing 5.9 ktex sliver. The rate of production of the drawframe in kg/h (rounded off to 2 decimal places) is _________.
Ques 58 GATE 2020
The diameter (mm) of a yarn having twist of 700 turns per meter and surface-twist angle of 20° (rounded off to 2 decimal places) is _________.
Ques 59 GATE 2020
A magazine creel has 800 package holders. The effective creel capacity (number) is ___________.
Ques 60 GATE 2020
Carding of polyester fibres requires that the values of wire-point density (points/inch2) of (P) Licker-in, (Q) Cylinder, and (R) Flat follow which order?
Ques 61 GATE 2020
For combing with forward feed, the given parameters are:
Detachment setting = 15 mm, Length of feed per combing cycle = 6mm, Longest fiber length = 30 mm.
According to Gégauff's theory, the noil (%) would be
Ques 62 GATE 2020
Determine the correctness or otherwise of the following Assertion [a] and Reason [r]
[a]: Open-loop autolevelling system needs a signal storage device with time delay function.
[r]: The signal must be stored until the material reaches the adjusting point.
Ques 63 GATE 2020
If both the concentration (% w/w) of size paste and target add-on are 12%, the total wet pick-up (kg) by 12 kg bone-dry warp sheet is
Ques 64 GATE 2020
Two rovings, each with mass CV of 10%, are fed to a ring spinning machine that adds a mass CV of 20%. The mass CV (%) of the yarn (rounded off to 2 decimal places) is
Ques 65 GATE 2020
In a drumdriven -winder, the grooved drum having a width of 20 cm is rotating at 1000 rpm. If the drum makes 5 revolutions per double traverse, the traverse speed (m/min) is
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