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ISRO Technician-B Plumber 2017
29

ISRO Technician-B Plumber Question Paper - 2017 (Set - 1) with Answer Key

29) Manholes are generally located at

All changes of direction of sewer

All changes of gradient of sewer

All junctions of different sewers

All of these

Answer is:

All of these

Explanation:

Manholes are generally located at
* All changes of direction of sewer
* All changes of gradient of sewer
* All junctions of different sewers

Manholes are generally located at

ISRO Technician-B Plumber Question Paper - 2017 (Set - 1) with Answer Key

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Related ISRO Technician-B Plumber Question Paper - 2017 (Set - 1) with Answer Key

30) A GI pipe has a coating of

Zinc

Lead

Silver

Aluminium

Answer is:

Zinc

31) Solvent is used to join

GI pipe

PVC pipe

MS pipe

Lead pipe

Answer is:

PVC pipe

32) Sewage is pumped using

Mono block pump

Reciprocating pump

Centrifugal pump

Split case pump

Answer is:

Centrifugal pump

33) The water storage tank at elevated position is called

Common tank

Surface tank

Sump

Over head tank

Answer is:

Over head tank

ISRO Technician-B Plumber Question Paper - 2017 (Set - 1) with Answer Key

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