Weaving and Loom Mechanisms - Fabric Manufacture, Structure and Properties - Textile Engineering & Fibre Science Previous Year Questions

The stress on warp yarn in a rapier weaving machine is NOT caused by

Loom shed efficiency due to warp stop increases in the case of

If the required shed depth of this machine is 7 cm, the percentage loss in shed depth at the same side harness operated by the same hook would be approximately

Sley velocity in m/sec at the front centre of a loom running at 300 rpm is

For increasing the taper angle on a sectional warping machine, one would require to

A 180 cm wide fabric with 30 picks/cm is produced on a loom running at 500 rpm with 95% efficiency. The number of metres of fabric produced per hour will be

Restarting a loom after the overnight stoppage will have

Quick response powerful brake is necessary in a high speed warping machine. Choose the INCORRECT reason from the following

In a sizing machine, 100 m length of warp sheet was processed. The warp was stretched by 3%, 2% and 1% at unwinding zone, wet zone and drying zone respectively. The length of warp sheet on weaver's beam will be

For 2/2 twill weave, the heald shaft movement over one complete repeat will be the least in

The power required for picking in a shuttle loom depends on

For a 5/3 twill weave, if the rotational speeds of the crank shaft, bottom shaft and tappet shaft are X, Y and Z respectively, then X:Y:Z would be

Increase in the ratio of the length of crank to the length of connecting rod leads to

Shuttle remains on the race board during its flight in the shed because of