Question Bank (I- scheme)
Unit Test II
Course: Electrical Estimating & Contracting(22627)
Code: (22627) Abbreviation - EEC
Semester: 6I Program: EE
UNIT IV: DISTRIBUTION LINES (14 M)
2 Marks Questions:
1) Write any two factors for selection of LT (415V) power cables.
2) State the classification of cables.
3) State the trade names of conductors.
4) State the properties of insulators used in cable.
4 Marks Questions:
5) List the materials required for overhead service connection (Any Eight).
6) State any eight electrical equipment required in 11 kV HT substation.
7) State the different methods of cable termination for LT (415V) line and explain any
one method.
8) Draw the single line diagram of LT (415V) substation.
9) Compare overhead service connection to underground service connection. (four points)
10) Draw a neat labelled diagram for underground service connection.
11) Prepare a schedule of material for overhead service connection for a residential load of
single phase 3 kW from a service pole located at a distance of 60 m.
UNIT V: PUBLIC LIGHTING INSTALLATION (12M)
2 Marks Questions:
12) Write the recommended illumination level for i. Parking area.
13) State the different lighting sources available for public lighting.
14) State the meaning of flood lighting.
4 Marks Questions:
15) State the factors to be considered while designing street light installation.
16) Prepare the list of materials and devices required for public lighting installation.
17) i. Enlist different on-off control equipment used in street light installation.
ii. Write the aim of public lighting installation.
18) State the objectives of street lighting.
19) Describe the following principles related to street lighting
a) Diffusion b) Specular reflection
UNIT VI: CONTRACTING (06M)
2 Marks Questions:
20) Describe Supplementary estimate.
21) Define tender and state its types.
22) State the meaning of security deposit.
23) Define the term 'Tender'.
24) State the qualities of a good contractor.
4 Marks Questions:
25) State the methods of opening of tender and explain any one method.
26) State the ways of inviting tenders.
27) Describe the process of planning before starting a work.