Question 1 : With increase in reed width the WIR of a loom

Increases in a nonlinear manner
Increases proportionately
Decreases initially and then increases proportionately
Neither increases nor decreases in a systematic manner

Question 2 : From the point of view of economics of woven fabric production the factor of greatest significance in modern times is to design a machine which

Consumes least energy
Creates least noise
Costs the least and runs at the highest possible WIR
Is most versatile and flexible