1.Which one of the following compressors will
be used in vapour compression refrigerator
for plants up to 100 tonnes capacity?
Reciprocating compressor
2. Consider the following statements:
An expansion device in a refrigeration
system
1. reduces the pressure from the condenser
to the evaporator
2. regulates the flow of the refrigerant to
the evaporator depending on the load
3. is essentially a restriction offering
resistance to flow
Which of the above statements are correct?
1, 2 and 3
3.Which one of the following systems is
consisting of processing stations, material
handling and storage, computer control
system and human labour?
Flexible manufacturing system
4. In an Electrolux refrigerator, a thermo-siphon
bubble pump is used to lift the
weak aqua solution from the generator to the separator
5. If the relative humidity of atmospheric air is
100%, then the wet-bulb temperature will be
equal to dew-point temperature
6. The hydraulic efficiency of a turbine is the
ratio of
mechanical energy supplied by the rotor and hydrodynamic energy available from the fluid
7. The efficiency of superheat Rankine cycle is
higher than that of simple Rankine cycle
because
the mean temperature of heat addition is higher for superheat cycle
8. In steam power cycle, the process of
removing non-condensable gases is called
deaeration process
9. A turbine in which steam expands both in
nozzle as well as in blades is called as
impulse reaction turbine
10. Punishment for the offence committed by a juvenile under motor vehicle amendment act 2019
Twenty Five Thousand & & Three Years imprisonment
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