No the table is responsive in layout and as such grows and shrinks to fit the available width. In some cases data that cannot fit the screen is hidden and you can access by clicking on the link of the right hand side of table.
You have to stick to the grid.
But look here
There may have been some solutions.
Although you can't directly set the width perhaps with a bit of planning and design you could come up with a solution.
Example could you abbreviate your dimensions.
Currency Pound Sterling could become Cur GBP.
Left(<Dim>,x) your dimension
The width of your column reduced to a consistent width as a result.
Just some ideas to think about.
He is suggesting the use of a macro to manipulate display of a chart which I don't think is supported in Sense rather in QlikView.
You could try doing a mash up of your own using the developer tool kit. I'm sure that would give you more customisation options to how things are displayed but not in the out the box Qlik Sense desktop solution.