GOVERMENT POLYTECHNIC GANDHINAGAR
ELELCTRICAL
IMP QUSTIONS FOR ECA
Subject:
ENERGY CONSERVATION & AUDIT
1 by
variable speed drive(VSD) block diagram.
11.Explain
types of tariff.
12.Explain
the steps to improve the efficiency of motor.
13.Explain
the preliminary energy au. Explain energy star concept.
2. Describe
compact florescent lamp(CFL).
3. Explain
method of energy conservation in compressors and blowers.
4. State the
procedure to carry out energy audit of three phase transformer.
5. What is
cogeneration? State the advantages of cogeneration.
6. State the
method to carryout theft of electricity & How it is prevented?
7. Draw
energy flow diagram.
8. Define
power factor. Write the causes of low power factor.
9. IE rules
and regulation for energy audit.
10.Explain
energy conservation dit.
14.Write
different approaches of energy management.
15.Explain
energy problems in India.
16.Measure
to reduce transmission losses.
17.Draw line
diagram of combined cycle power plant.
18.Explain
scope of energy conservations in agriculture sector.
19.Explain
principles of energy management.
20.Explain
importance of energy audit in energy conservation technique.
21.Explain
following terms related to illumination 1. luminous flux 2.
Illumination
3. color rendering index.
22.Explain
how restructuring of tariff helps in improving energy
conservation.
23.State the
method of economic analysis and explain pay- back period.
24.What is
energy audit? State element of energy audit.
25.Explain
diminishing value method for determining depreciation.
26.Compare
preliminary energy audit with detailed energy audit.
27.Explain
the concepts of energy management. Explain elements of energy
management.
28.Describe
the scope of energy conservation in industrial sector.
29.State and
explain methods of improving power factor.
30.Compare
static capacitor with synchronous motor with respect to power
factor
improvement.
31.State and
explain types of co-generation plant.
32.Explain
sinking fund method for determining depreciation.
33.State and
explain various cost of project.
34.Explain
energy conservation in transport sector.
35.Describe
modes of economic analysis.
36.Describe
tools for energy audit.
37.Explain
types of energy audit.
38.The cost
of Energy saving plant is Rs. 475000. Its useful life is 12 years.
After useful
life the salvage value is Rs. 75000. The annual income from
plant is Rs.
125000 and annual expense is Rs. 45000. If rate of interest is
12%,
calculate (i) net annual saving of plant (ii) pay-back period (iii) ROI
(iv) annual
depreciation using sinking fund metho
Comments
Post a Comment