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ISRO Technical Assistant Mechanical 2015
17

ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key

17) A pressure of 25 m of head of water is equal to

25 kN/square meter

245 kN/square meter

2500 kN/square meter

2.5 kN/square meter

Answer is:

245 kN/square meter

ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key

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Related ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key

18) An odd shaped body weighing 7.5 kg and occupying 0.01 cubic meter volume will be completely submerged in a fluid having specific gravity of

1

1.2

1.7

0.75

Answer is:

0.75

19) Heat flows from one body to other body when they have

Different heat contents

Different specific heats

Different atomic structure

Different temperatures

Answer is:

Different temperatures

20) Which of the following has maximum value of thermal conductivity?

Aluminium

Steel

Brass

Copper

Answer is:

Copper

21) In the heat flow equation Q=kA(t1-t2)/x, the term 'x/(kA)' is known as

Thermal resistance

Thermal coefficient

Thermal conductivity

Heat transfer coefficient

Answer is:

Thermal resistance

ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key

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