1. Where is Step-Up or Primary Substations positioned?
A
Load centers
B
Generating stations
C
Towns
D
Industrial areas
Correct Answer
(b). Generating stations
2. What is the purpose of Step-Down or Distribution Substations?
A
Elevating voltage for long-distance transmission
B
Reducing voltage for end consumers
C
Facilitating switching operations
D
Handling extremely upper voltage levels
Correct Answer
(B). Reducing voltage for end consumers
3. What is the purpose of Step-Down or Distribution Substations?
A
Elevating voltage for long-distance transmission
B
Reducing voltage for end consumers
C
Facilitating switching operations
D
Handling extremely upper voltage levels
Correct Answer
(B). Reducing voltage for end consumers
4 What is the operating voltage range of High Voltage Substations (HV Substations)?
A
11 kV to 66 kV
B
132 kV to 400 kV
C
Up to 11 kV
D
Above 400 kV
Correct Answer
(A). 11 kV to 66 kV
5. What is the primary function of Extra Upper Voltage Substations (EHV Substations)?
A
Local power distribution
B
Handling higher voltage levels
C
Facilitating street lighting
D
Converting AC to DC power
Correct Answer
(b). Handling higher voltage levels
6. What distinguishes Ultra Upper Voltage Substations (UHV Substations) from Extra Upper Voltage Substations (EHV Substations)?
A
Operating voltage range
B
Service rendered
C
Importance in the grid
D
Design characteristics
Correct Answer
(a). Operating voltage range
7. What do failures in Town Substations potentially result in?
A
Grid failure
B
Efficient energy supply
C
Higher voltage levels
D
Street lighting malfunction
Correct Answer
(a). Grid failure
8. How are Indoor Type Substations characterized?
A
Suitable for higher voltages in contaminated environments
B
Equipped with outdoor structures
C
Suitable for voltages up to 11 kV
D
Reserved for transformers with capacities exceeding 250 kVA
Correct Answer
(c). Suitable for voltages up to 11 kV
9. What is the primary purpose of Outdoor Substations?
A
Reducing voltage for end consumers
B
Housing transformers
C
Facilitating switching operations
D
Handling diverse energy demands
Correct Answer
(b). Housing transformers
10. How are Pole-Mounted Substations designed for?
A
Local power distribution
B
Efficient energy supply
C
Long-distance power transmission
D
Street lighting
Correct Answer
(a). Local power distribution
11. When are Foundation-Mounted Substations typically used?
A
For voltages unelevated 11 kV
B
For transformer capacities exceeding 250 kVA
C
For switching operations
D
For handling extremely upper voltage levels
Correct Answer
(b). For transformer capacities exceeding 250 kVA