Rajasthan Polytechnic Third Year Paper 2016 – Advance Air Conditioning

Rajasthan Polytechnic Third Year Paper 2016 – Advance Air Conditioning

Ventilation is not required for
(a) Remove smoke and dust
(b) Decrease CO2 level
(c) Decrease O2 level
(d) Control humidity

In general the rate of air ventilation is (in air charge per hour)
(a) 1 to 2
(b) 2 to 4
(c) 3 to 5
(d) 1 to 5

Which ventilation system is suitable for operation theatre?
(a) Upward flow system
(b) Downward laminar flow system
(c) Cross counter flow system
(d) None of these

Material used to remove odour of air
(a) Activated carbon
(b) Chlorine
(c) Bleaching powder
(d) All of these

Which one is not a class of Aerosols.
(a) Smoke
(b) Dust
(c) Bacteria
(d) None of these

What is the method to determine cleaning efficiency?
(a) Gravimetric test
(b) Volume test
(c) Pressure test
(d) All of these

The principle involved in (centripetal force) in changing the direction of air cleaning is __________
(a) Viscous filter
(b) Dry filter
(c) Cyclone filter
(d) None of these

In Electrostatic filters, the maximum dust particles are collected on
(a) Positive electrode
(b) Negative electrode
(c) Neutral
(d) None of the above

The components of air distribution system are
(a) AHU
(b) Diffuser
(c) Damper
(d) All of the above

Which one is not a main function of air distribution outlets?
(a) Proper air distribution
(b) Uniform space temperature
(c) Proper air motion
(d) Humidity control