GATE CE 1997 | GATE CE Year Wise Previous Years Questions

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GATE CE 1997

MCQ (Single Correct Answer)

-0.3

If $$A$$ and $$B$$ are two matrices and $$AB$$ exists then $$BA$$ exists,

only if $$A$$ has as many rows as $$B$$ has columns

only if both $$A$$ and $$B$$ are square matrices

only if $$A$$ and $$B$$ are skew matrices

only if both $$A$$ and $$B$$ are symmetric

GATE CE 1997

MCQ (Single Correct Answer)

-0.3

MPN index is measure of one of the following:

Coliform bacteria

$$BOD_5$$

Dissolved Oxygen content

Hardness

GATE CE 1997

MCQ (Single Correct Answer)

-0.3

Alkalinity of water can be defined correctly in one of the following ways

it is the measure of ability of water to neutralize oxygen

it is the measure of ability of water to neutralize carbonates

it is the presence of ions in water that will neutralize hydrogen ions

it is the measure of ability of water to neutralize hydroxides

GATE CE 1997

MCQ (Single Correct Answer)

-0.3

If the porosity of a soil sample is 20%, the void ratio is

0.20

0.80

1.00

0.25

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