Friday, 29 March 2013

GK FOR PA/SA EXAM......

What is the usage of Audiometer ?

To increase the intensity of sound

What is the purpose of Geiger Counter ?

To detect and count nuclear particles and radiation

What is the use of a cardiograph ?

It is an instrument to record beats of heart

What is the use of calipers ?

To measure the internal and external diameter of a tube

What is the use of saccharometer?

To determine the sugar concentration in a liquid


BY JAICHANDRAN

1 comments:

S Jayachandran said...

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