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Worksheets5 Day TNAU Training Programme on Energy and Water Audit
Total questions: 15
Worksheet time: 16mins
Find the Passive Energy source
DIESEL GENERATOR
ROOF TOP SOLAR
GRID
UPS
Select the energy efficient tube light
T5, 4ft, 2100 Lumens
T8, 4Ft 2400 Lumens
T12, 4Ft, 2500 Lumens
None of the Above
With the humidification system, a spinning mill is able to ___________
To maintain RH
Exhaust the Heat
Control Temperature Rise
All the Above
Find the Odd one out?
kW / Cfm
kCal/kWh
kWh/kVAh
Unit/Kg
Air consumption in a weaving mill is 3000CFM. Select the best technology Air compressor to reduce air consumption of the weaving mill
Reciprocating
Screw
Centrifugal
None of Them
A 2.0 MVA transformer is operated with 1500kVA or 75% Load and 0.8 Power factor. The transformer load will be ______% after implementation of energy efficient measures you have suggested to the mill.
75%
60%
100%
No Change
A VFD Driven centrifugal pump is operated now at 45Hz. The previous consumption was 100kW during 50Hz operation. Calculate the power savings in kW?
49kW
27kW
5kW
None Of Them
The Solar Irradiance of a 1.9 M x 1.0 M sized solar PV Panel rated to 380Wp is ______W/m2
190 W/m2
722 W/m2
200 W/m2
None of them
The shown feeder has 8 Volts drop. An extra cable has helped to recover 4 Volt / Phase. How much is the power saving
0.8kW
2.4kW
1.6kW
None of the Above
Energy consumption of a 24 X 7 working spinning mill was 14.40 Lakh units in April. Of the total consumption, 3% goes to air compressor. The air - compressor consumes _______kW power.
166.67
1440
60.0
None
Total Energy consumption of the mill was 10.0 lakh units last month. 40s converted single yarn production was 2.0 Lakh kg. TFO and Ring doubling process consumed 1.5 and 0.5 lakh units respectively. Calculate the 40s converted ring spun yarn UKG (SEC) of the mill.
5.0
2.5
4.0
3.5
Compressed air sourced from 3 Air compressors is 500 CFM and their SEC respectively are 0.2, 0.22 and 0.18 kW/CFM. New air compressor with 0.16kW/CFM costs the mill INR 3.2 Million. Assume 8000Hrs operation in a year and energy cost of Rs 10 / Unit. The payback will be _____ years.
1
2
3
4
The efficiency of air blower system is_______
18%
36%
50%
90%
Calculate per spindle consumption in Watts of a 1200 spindle ring frame machine; Input power of the motors is given below
i. 55kW main motor = 50kW
ii 9.3kW Compact motor = 5.0kW
iii 5.0 kW Pneumafil fan motor = 3.3kW
iv 2.2kW OHTC = 1.7kW
500
5000
50
5
A mill last month purchased 2.0 Lakh units from TANGEDCO at Rs. 8/Unit, 4 Lakh units at Rs.5/Unit Through IEX. Wheeling charges of Rs.1 / unit is paid for IEX power. The in house solar plant produced 2.0 Lakh units and it costs the Mill Rs.4/Unit. Find the Mean Cost of 1 unit.
Rs 5.50
Rs 6.00
Rs 6.50
Rs 7.50
