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ISRO Technician-B
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ISRO Technician-B Plumber 2019
42

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

42) Bricks are laid

with frog up

with frog down

with frog on side

with frog on face

Answer is:

with frog up

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

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

43) Minimum grade of concrete for RCC should be

M10

M15

M20

M25

Answer is:

M20

44) Quantity of cement contained in one bag is

20 kg

55 kg

30 kg

50 kg

Answer is:

50 kg

45) The specification for a storage water heater is normally given in

litres

Watts

Volts

None of these

Answer is:

litres

46) Biochemical Oxygen Demand (BOD) of safe drinking water must be

Nil

20

25

5

Answer is:

Nil

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

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