ISRO Technician-B Plumber Question Paper - 2019 (Set - 1) with Answer Key

2 X Pie x R

4 x Pie x R

2 x Pie x R x R

4 x Pie x R x R

Pipe size

Manufacturer?s brand name

Pressure rating

Length of pipe

10 litres

1000 litres

100 litres

1200 litres

Vent pipe

Rain water pipe

Waste pipe

Soil pipe

Tin

Bituminous paint

Zinc

Chromium