Answer:
1.5m
02) In industrial lighting, poles used in process areas shall be________
Answer:
Hot‐Dipped Galvanized
03) Fixtures that shall be used for high‐bay or low‐bay indoor‐industrial applications –
Answer:
High‐Pressure Sodium or Metal Halide
04) In manned switchgear rooms and control rooms, where essential activities continue during failure of normal lighting, a minimum illumination level of ______ shall be provided at 760mm above the floor.
Answer:
100 Lux (10 fc)
05) An indoor location that shall be provided with enclosed and gasketed (i.e. vapor‐tight) corrosion resistant lighting fixtures.
Answer:
Battery Rooms
06) Lighting Fixtures positioned over stairways, platforms, elevated walkways and landings shall be positioned at a height of _____ (from the bottom of the fixture to the floor directly beneath).
Answer:
2.03m
07) 7 Minimum duration of emergency lighting in the event of power failure
Answer:
1.5hrs.
08) Illuminated exit signs shall be manufactured and installed in accordance with ___________ requirements.
Answer:
NFPA 101
09) In SAES‐P‐123 lighting standards, what is the meaning of CRI?
Answer:
Color Rendering Index
10) IN SAES‐P‐123 lighting standards, what is the meaning of LLF?
Answer:
Light Loss Factor
11) Minimum maintained illuminance level of Control Room in general 500 Lux (50 fc)
Answer:
0
12) Minimum maintained illuminance level of Process Interfaced Buildings
Answer:
100 Lux (10 fc)
13) Minimum maintained illuminance level of Battery Rooms
Answer:
300 Lux (30 fc)
14) Minimum maintained illuminance level of Switchgear Rooms
Answer:
300 Lux (30 fc)
15) Minimum maintained illuminance level of Outdoor Switchyards
Answer:
20 Lux (2 fc)
16) Minimum maintained illuminance level of General Substation (outdoor)
Answer:
20 Lux (2 fc) .
17) Minimum maintained illuminance level of General Substation (indoor)
Answer:
50 Lux (5 fc)
18) Minimum maintained illuminance level of Indoor Substation Operating Aisle
Answer:
150 Lux (15 fc)
19) Minimum maintained illuminance level of Plant Process Areas
Answer:
50 Lux (5 fc)
20) What is the meaning of CT
Answer:
Current Transformer
21) What is the meaning of VT
Answer:
Voltage Transformer
22) For transformer protection system, what is the meaning of 51N
Answer:
Neutral Overcurrent Relay
23) For transformer protection system, what is the meaning of 50/51H
Answer:
Phase Overcurrent Relay (HV side)
24) For transformer protection system, what is the meaning of 50/51L
Answer:
Phase Overcurrent Relay (LV side)
25) For transformer protection system, what is the meaning of 50/51G
Answer:
Ground Overcurrent Relay
26) For transformer protection system, what is the meaning of 87
Answer:
Differential Relays
27) For transformer protection system, what is the meaning of 86
Answer:
Lockout Relays
28) Maximum ampere rating for panel board
Answer:
400A
29) Maximum ampere rating for switch racks
Answer:
600A
30) Unobstructed horizontal space for switchgear
Answer:
Front=2m; back and sides=1m
31) Unobstructed horizontal space for control gear, switchboards, transfer switches, and floor mounted adjustable frequency drives
Answer:
Front=1.5m; Sides=1m
32) Unobstructed horizontal space for panel boards, switch racks
Answer:
Front=1m
33) Cables can be used to extend the main bus of switchgear, control gear, switchboards, switch racks, and panel boards (TRUE or FALSE)
Answer:
FALSE
34) Maximum control voltage to be used for motor space heater
Answer:
24V
35) In Switchgear and control equipment system, What is the meaning of AFD
Answer:
Adjustable Frequency Drive
36) Cable bus shall be used with power transformers if the forced cooled site rating of the transformer is greater than ________
Answer:
1200A
37) Transfer switches shall only be used in low voltage applications (TRUE or FALSE
Answer:
TRUE
38) Panel boards shall be installed completely filled with circuit breakers and have ______ spare breakers
Answer:
0.2
39) Panel boards shall not be installed in control gear (TRUE or FALSE)
Answer:
TRUE
40) What is the meaning of abbreviation IEC?
Answer:
International Electro Technical Commission
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