AIR CONDITIONING -II

Tube cutter is a---------

• General tool

• Waste tool

• a&d

• Special tool

During a refrigeration cycle, heat is rejected by the refrigerant in a-----

• Expansion valve

• Condenser

• Compressor

• Evaporator

Flare nut is used to join the

• Flair pipes

• aluminium pipes

• iron rod

• none

The boiling point of ammonia is -------

• -10.5◦C

• -33.5◦C

• -30◦C

• -77.5◦C

Ammonia is a----------

• Non-toxic

• Non flammable

• Toxic & irritating

• Highly toxic

TR means------

• Tools requirement

• Toxic refrigeration

• None of the above

• Ton of refrigeration

During the fire accident where will you assemble

• In road

• Safety assembling point

• corridor

• garden

swaging is used to

• join the pipes

• disconnect

• cut the pipes

• all of the above

Bending the copper tube with the help of-------tool

• Tube cutter

• Tube bender

• Flaring

• Swaging

For large tonnage (more than 200TR)air conditioner applications the compressor recommended is

• Reciprocating

• Centrifugal

• Rotary

• Screw