BICSI OSP DESIGN QUESTIONS WITH 100%
ACCURATE ANSWERS
Link Loss Budget - Accurate answers Maximum allowable loss for end to end cable system
LLC = System Gain - Power penalties
Performance Margin = - Accurate answers Link Loss Budget -Passive cable attenuation
Minimum system loss = - Accurate answers system gain - receivers dynamic range
System gain - Accurate answers difference between transmitter average power and receiver
sensitivity
Three transmission characteristics of Fiber - Accurate answers Bandwidth
Return Loss
Attenuation
ANSI / ICEA Classification - Accurate answers 1. Product family (PIC/AIR CORE/DUCTPIC)
2.Insulation type
3.Copper conductor size
4. Cable sheath and jacket
Balanced twisted pair Gauge sizes - Accurate answers 19 AWG
22AWG
24 AWG
26 AWG
PIC - Accurate answers Plastic Insulated Conductor
Length of loop depends on.. - Accurate answers Resistance of cable
Signal limits of devices
Pair Loading
Unlisted OSP limited to __m inside building - Accurate answers 15m (50 ft)
Broadband Twisted pair - Accurate answers Transport broadband services from remote switch to
end user
Baseband twisted pair - Accurate answers Used to provide horizontal distribution cabling, lengths
up to 100m (328ft) eg, CAT 5/6
Copper color code - Accurate answers white / red / black/ yellow/violet
Gauge Coding Area Number (GACAN) limits use of how many different gauges? - Accurate answers
two
,Two major factors in determining size and type of coax are.. - Accurate answers attenuation
margin and cost
Two biggest changes from one coax size to another are.. - Accurate answers DC Resistance and
attenuation
Coax type for hostile climates - Accurate answers jacketed
Coax type for moderate climates - Accurate answers Bare aluminum
Existing coax systems operate at what frequencies? - Accurate answers 450, 500 and 750mhz
New coax systems operate at what frequency? - Accurate answers 900-1000mhz
Underground cable infrastructure has an expected lifespan of.. - Accurate answers 50 years
Maximum section lengths of copper conduit - Accurate answers 183m (600ft)
Maximum section lengths of fiber conduit - Accurate answers 400m (1312ft)
Duct should be at least ___ times the diameter of the cable , or ___trade size bigger - Accurate
answers 1.15 times diameter or half trade size bigger
Minimum separation for ducts crossing utilities - Accurate answers 6 inches
(except power ,12 inches tamped dirt,
3 inch concrete
4 inch masonry
Direct buried 12 inches
Minimum separation for duct paralleling other utilities - Accurate answers 12 inches
Power conduit on pole should be how many degrees of telco - Accurate answers ideally 180 but
not less than 90
Duct clearance below railroad - Accurate answers 1.27m (4.16ft) below top of rail (NESC)
Or
1.4m (4.6ft) ???
Live/dynamic loads can be endured at what depth - Accurate answers 24 - 30 inches
Live/dynamic load is considered well dispersed at what depth - Accurate answers 6 ft
Dead loads are dispersed at what depth - Accurate answers 24 inch
Drain slope between MH's - Accurate answers 10mm per meter
Conduit types - Accurate answers B - Thin wall, requires concrete encasement
, C -Thick wall, direct buried
D - Ultra Violet and flame resistant
E - is not used for straight line conduit
20ft sections typical
BICSI recommendation for galvanized rigid steel is - Accurate answers 103mm / trade size 4
Mandrel should be what size - Accurate answers 1/4-1/2 inch less than duct diameter . 6-12 inches
long
Advantages of inner duct - Accurate answers increased conduit use
Mechanical protection
Compartmentalized
Ease of identification
Disadvantages of traditional inner duct - Accurate answers higher material costs
Limited cable size
Increased install time
Reel memory/microbends
How many fabric mesh inner ducts fit in 4inch duct - Accurate answers 8 or 9
They decrease pulling tension, conform to odd shapes, are lightweight
But can stick to duct,twist ,tear, higher cost
Indoor /outdoor microducts can be used up to what distance? - Accurate answers 914m (2999ft)
Under bridge hangers should be placed every __ - Accurate answers 8 ft
Expansion joints required every - Accurate answers 100ft (30.5m)
Direct buried copper depth minimum - Accurate answers 24 inches
Direct buried fiber depth - Accurate answers 40 inches (1m)
Plowing up to 5ft in soft soil - Accurate answers Vibrotary plow
Plowing over 5ft /tight soil/loose clays/hard rock - Accurate answers Static plow
Plowing in hardened clay/rocky soil - Accurate answers Rip plow
Buried cable marker posts with locating caps required every ____m - Accurate answers 1000m
Missile bore (impact moling) 2 - 6 inch diameter over distance - Accurate answers 7.6-15m (25-
50FT)
How much gravel is required in MH's and ped's? - Accurate answers 6 inches
ACCURATE ANSWERS
Link Loss Budget - Accurate answers Maximum allowable loss for end to end cable system
LLC = System Gain - Power penalties
Performance Margin = - Accurate answers Link Loss Budget -Passive cable attenuation
Minimum system loss = - Accurate answers system gain - receivers dynamic range
System gain - Accurate answers difference between transmitter average power and receiver
sensitivity
Three transmission characteristics of Fiber - Accurate answers Bandwidth
Return Loss
Attenuation
ANSI / ICEA Classification - Accurate answers 1. Product family (PIC/AIR CORE/DUCTPIC)
2.Insulation type
3.Copper conductor size
4. Cable sheath and jacket
Balanced twisted pair Gauge sizes - Accurate answers 19 AWG
22AWG
24 AWG
26 AWG
PIC - Accurate answers Plastic Insulated Conductor
Length of loop depends on.. - Accurate answers Resistance of cable
Signal limits of devices
Pair Loading
Unlisted OSP limited to __m inside building - Accurate answers 15m (50 ft)
Broadband Twisted pair - Accurate answers Transport broadband services from remote switch to
end user
Baseband twisted pair - Accurate answers Used to provide horizontal distribution cabling, lengths
up to 100m (328ft) eg, CAT 5/6
Copper color code - Accurate answers white / red / black/ yellow/violet
Gauge Coding Area Number (GACAN) limits use of how many different gauges? - Accurate answers
two
,Two major factors in determining size and type of coax are.. - Accurate answers attenuation
margin and cost
Two biggest changes from one coax size to another are.. - Accurate answers DC Resistance and
attenuation
Coax type for hostile climates - Accurate answers jacketed
Coax type for moderate climates - Accurate answers Bare aluminum
Existing coax systems operate at what frequencies? - Accurate answers 450, 500 and 750mhz
New coax systems operate at what frequency? - Accurate answers 900-1000mhz
Underground cable infrastructure has an expected lifespan of.. - Accurate answers 50 years
Maximum section lengths of copper conduit - Accurate answers 183m (600ft)
Maximum section lengths of fiber conduit - Accurate answers 400m (1312ft)
Duct should be at least ___ times the diameter of the cable , or ___trade size bigger - Accurate
answers 1.15 times diameter or half trade size bigger
Minimum separation for ducts crossing utilities - Accurate answers 6 inches
(except power ,12 inches tamped dirt,
3 inch concrete
4 inch masonry
Direct buried 12 inches
Minimum separation for duct paralleling other utilities - Accurate answers 12 inches
Power conduit on pole should be how many degrees of telco - Accurate answers ideally 180 but
not less than 90
Duct clearance below railroad - Accurate answers 1.27m (4.16ft) below top of rail (NESC)
Or
1.4m (4.6ft) ???
Live/dynamic loads can be endured at what depth - Accurate answers 24 - 30 inches
Live/dynamic load is considered well dispersed at what depth - Accurate answers 6 ft
Dead loads are dispersed at what depth - Accurate answers 24 inch
Drain slope between MH's - Accurate answers 10mm per meter
Conduit types - Accurate answers B - Thin wall, requires concrete encasement
, C -Thick wall, direct buried
D - Ultra Violet and flame resistant
E - is not used for straight line conduit
20ft sections typical
BICSI recommendation for galvanized rigid steel is - Accurate answers 103mm / trade size 4
Mandrel should be what size - Accurate answers 1/4-1/2 inch less than duct diameter . 6-12 inches
long
Advantages of inner duct - Accurate answers increased conduit use
Mechanical protection
Compartmentalized
Ease of identification
Disadvantages of traditional inner duct - Accurate answers higher material costs
Limited cable size
Increased install time
Reel memory/microbends
How many fabric mesh inner ducts fit in 4inch duct - Accurate answers 8 or 9
They decrease pulling tension, conform to odd shapes, are lightweight
But can stick to duct,twist ,tear, higher cost
Indoor /outdoor microducts can be used up to what distance? - Accurate answers 914m (2999ft)
Under bridge hangers should be placed every __ - Accurate answers 8 ft
Expansion joints required every - Accurate answers 100ft (30.5m)
Direct buried copper depth minimum - Accurate answers 24 inches
Direct buried fiber depth - Accurate answers 40 inches (1m)
Plowing up to 5ft in soft soil - Accurate answers Vibrotary plow
Plowing over 5ft /tight soil/loose clays/hard rock - Accurate answers Static plow
Plowing in hardened clay/rocky soil - Accurate answers Rip plow
Buried cable marker posts with locating caps required every ____m - Accurate answers 1000m
Missile bore (impact moling) 2 - 6 inch diameter over distance - Accurate answers 7.6-15m (25-
50FT)
How much gravel is required in MH's and ped's? - Accurate answers 6 inches
