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

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

11) Turpentine oil is used in paints as

Answer is:

Thinner

12) A street sewer into which sewer from house connections is poured is called

Answer is:

Lateral sewer

13) The sum of a two digit number and the number got by reversing the digits is 99, the absolute difference is 27. Then, the number can be

Answer is:

36

14) Commonly used material for water mains is

Answer is:

Cast iron

15) _____ prevents entry of foul smell in to home

Answer is:

Trap