Compare pin type and suspension insulators on given points: (i) Position of insulator on cross arm. (ii) Position of conductor on insulator. (iii) Reaction on cross arm. (iv) Possibility of flash over due to large birds (v) Maintenance/Replacement cost (vi) Maximum voltage level (vii) Effect on height of supporting structure. (viii) Life

Compare pin type and suspension insulators on given points: (i) Position of insulator on cross arm. (ii) Position of conductor on insulator. (iii) Reaction on cross arm. (iv) Possibility of flash over due to large birds (v) Maintenance/Replacement cost (vi) Maximum voltage level (vii) Effect on height of supporting structure. (viii) Life 
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1 Answer

Answer :

S.No 
Points
Pin Type insulator
Suspension or Disc Type insulator
1 Position of insulator on cross arm
It is fixed on top of cross arm by using galvanized steel pin. So it is called as pin type insulator. 
These insulators are hanging below the cross arm hence its name is suspension type insulator. 
2 Position of conductor on insulator
On the top of the insulator 
Conductor is clamped at the bottom of the insulator in a string
3 Reaction on cross arm
More
Less
4 Possibility of flash over due to large birds
Due to large birds, flash over is possible because distance between two insulators is less than suspension insulator 
As insulators are suspended & distance between two conductors is more than pin type insulator so there is no possibility of flash over due to large birds or similar object. 
5 Maintenance / replacement cost
If pin type insulator of existing line break down (failure) by any reason. Then it should be replaced by new one
If any insulator in the string of suspension insulator break down/fails then only that insulator/disc in the string require to be replace by new one instead of replacement of whole string unit. 
6 Maximum voltage level 
33 KV maximum. 
66/110/132/220/400/765 KV & even for more voltages. or above 33Kv
7 Effect on height of supporting structure
Conductor is fixed on the top of insulator so to maintain minimum ground clearance height of pole required as compared to suspension type insulator is less 
As insulators are suspended below the cross arm & conductor is clamped below the insulator so to maintain minimum ground clearance height of pole increase. 
8 Life
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Description : Find: (i) 25% of Rs 76 (ii) 20% of Rs 132 (iii) 7.5% of 600 m (iv) 313% of 90 km (v) 8.5% of 5 kg (vi) 20% of 12 litres -Maths

Last Answer : answer:

Find: (i) 32% of 425 (ii) 1623% of 16 (iii) 6.5% of 400 (iv) 136% of 70 (v) 2.8% of 35 (vi) 0.6% of 45 -Maths

Description : Find: (i) 32% of 425 (ii) 1623% of 16 (iii) 6.5% of 400 (iv) 136% of 70 (v) 2.8% of 35 (vi) 0.6% of 45 -Maths

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Evaluate each of the following: (i) (103)3 (ii) (98)3 (iii) (9.9)3 (iv) (10.4)3 (v) (598)3 (vi) (99)3 -Maths 9th

Description : Evaluate each of the following: (i) (103)3 (ii) (98)3 (iii) (9.9)3 (iv) (10.4)3 (v) (598)3 (vi) (99)3 -Maths 9th

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How many of following metals impart a characteristic colour to the Bunsen flame ? `(i) Na " " (ii) Li " " (iii) K " " (iv) Ba` `(v) Sr " " (vi) Mg " "

Description : How many of following metals impart a characteristic colour to the Bunsen flame ? `(i) Na " " (ii) Li " " (iii) K " " (iv) Ba` `(v) Sr " " (vi) Mg " "

Last Answer : How many of following metals impart a characteristic colour to the Bunsen flame ? `(i) Na " " (ii) Li " " (iii) K ... ix) `Be " " (x )Ca " " (x i)Cu`

Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.

Description : Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.

Last Answer : Number of oxide orwesd among , (i) Cassiterite (ii) pyrolusite (iii) Kieserite (iv) Azurite (V) chromite (vi) siderite are.