ISRO Technician-B MRAC Question Paper - 2016 (Set -1) with Answer Key

ISRO Technician-B MRAC Question Paper - 2016 (Set -1) with Answer Key

11) The material of pipe lines for a system using Freon as a refrigerant should be

Answer is:

Copper

12) Absolute humidity is defined as

Answer is:

Actual mass of water vapour in a unit volume of air

13) For unsaturated air, the dew point temperature is ______ wet bulb temperature

Answer is:

Less than

14) A 240 V, 60 W lamp has a working resistanc of

Answer is:

960 Ohms

15) In arc welding, the arc length should be approximately equal to

Answer is:

diameter of the rod