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ICSE Notes 2017 : Physics (Narayana School, Rishra, Rishra)

13 pages, 45 questions, 1 questions with responses, 2 total responses,

PHYSICIST_Mainak
Narayana Rajarhat, Kolkata
11 CAO battch Science IITBatch

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WDM 1: First mainline diesel electric locomotives used in India. Introduced in 1957. Imported from ALCO. Out of service now. 1,950 hp (1,450 kW) WDM 2: Most widely used and first homemade mainline diesel-electric locomotives in India. Original prototypes were made by ALCO. Introduced in 1962. More than 2,700 have been made. Rated at 2,600 hp (1,900 kW) WDM 2A, WDM 2B: Technical variants of WDM 2. WDM2A stands are dual braked and WDM2B are air braked usually WDM 2G: It is the first Multi-Gen-set locomotive of Indian Railway manufactured by DLMW, Patiala in 2013. As of February 2014 only 2 locos has entered service and has been numbered as #80000 and #80001.[3] It has been cleared for a maximum speed of 105 km/h (65 mph)[4] WDM 3: Only 8 were imported. They used hydraulic transmission and are currently nonfunctional. They are rated at 2,500 hp (1,900 kW), with a maximum speed of 120 km/h (75 mph). Built in 1970 by Henschel & Son) WDM 3A: Formerly known as WDM 2C. Another WDM 2 variant. It is not related to WDM 3. Max speed 120 km/h (75 mph). 30450 kgf of tractive effort. Built since 1994. It is one of the most heavily used diesel locomotives in India at present. WDM 3A R: Formerly WDM 2. It is a rebuilt with DBR fitted on short hood. It is not related to WDM 3. They are rebuilt at DLMW, Patiala WDM 3B: Co-Co bogies. Rated at 120 km/h (75 mph). These are based out of Uttar Pradesh sheds. 23 built by DLW. Similar to WDM3D. 3,100 hp (2,300 kW)[5] WDM 3C, WDM 3D: These are higher powered versions of WDM3A with 3,300 hp (2,500 kW). WDM3C is rebuilt from WDM2. WDM3C and WDM3D has max speed of 120 km/h (75 mph) and 160 km/h (99 mph) respectively WDM 3E : Reclassified as WDM 3D. Restricted to freight at 105 km/h (65 mph). 8 units known. Manufactured by DLW. 3,500 hp (2,600 kW) WDM 3F: Manufactured by DLW. 3,600 hp (2,700 kW). HAHS bogies. Conventional DBR. Air brake only. WDM 4: Entered service along with WDM 2. Prototypes designed by General Motors. Though considered superior to WDM 2 in many ways, these locomotives weren't chosen as General Motors did not agree to a technology transfer agreement. 2,600 hp (1,900 kW) WDM 6: Very rare class; only two were made; Exported to Sri Lanka. Rated at 1,350 hp (1,010 kW). Max speed 75 km/h (47 mph). 19200 kgf tractive effort. Fabricated Bo-Bo bogies WDM 7: 15 of these locos were built from June 1987 through 1989, they were designed for branch-line duties, but they are now used mostly for shunting. Rated at 2,000 hp (1,500 kW) Note: No locomotive class was designated as WDM 5 in India. Passenger locomotives[edit] Left:Indian Railways locomotive WDP-4, Right:Indian Railways locomotive WDP-4B Left:Indian Railways locomotive WDP-4D, Right:Indian Railways locomotive WDP-4 (KJM) WDP 1 (Bo-Bo bogies. 80 tons weight. Rated speed of 140 kmph. 12 cylinder engine. 2300 hp. Built by DLWin 1970. Homed at Vijayawada and Tughlakabad sheds only.) WDP 2 (New class name WDP 3A. Dedicated passenger diesel locomotive. Entered service in 1998. Max speed 140kmph. Built by DLW. 29.25 tons of tractive effort. 3100 hp)[6] [7] The WDP-3A class Locomotive of Shed GOC #15515 bringing Thirukural Express to Nagercoil. WDP 3 (These locomotives are actually prototypes of the class WDP 1 and never entered serial production. Designed in 1996 by DLW. 2300 hp. Co-Co bogies.) WDP 4 (EMD (former GM-EMD) GT46PAC, fundamentally a passenger version of the WDG 4 (GT46MAC). 4000 hp) WDP 4B (EMD (former GM-EMD) GT46PAC, An improved version of the WDP 4, this is a more powerful version and has 6 traction motors, just like the WDG 4. Also comes with wider cabin to aid visibility and minor exterior design changes.As of now,serial production of the single cab locomotives has been stopped. 4500 hp) WDP 4D (EMD (former GM-EMD) GT46PAC, This is basically a WDP 4B with twin cabs. Minor changes were made to the locomotive to facilitate the addition of a second cabin. This locomotive comes with LCD instrument display and toilet for the drivers. Has entered serial production and regular service. 4500 hp Goods locomotives[edit] Left:Indian Railways locomotive WDG-3A, Right:Indian Railways locomotive WDG-4 WDG 2 (New class name WDG 3A. These class is actually a technically upgraded form of WDM 2. Max speed 100 km/h. Built by DLW) WDG 3B, WDG 3C, WDG 3D (Technical upgraded forms of WDG 2 or WDG 3A. WDG 3B and WDG 3C are rebuilt to WDG 3A. WDG 3C is rated at 3330 hp.)[8] WDG 4 (Dedicated goods locomotives. These are General motors' GT46MAC models. First units were imported in 1999. They are numbered from #12000 upward till #12999 and #70000 upwards.[9] Local production started in 2002. 4000-4500 hp) WDG 4D (Technical variant of WDG4 with dual cabs. IGBT. Max speed 105 km/h restricted to 100 km/h. Air conditioned cabs. First dual cab freight dedicated diesel engine in India) [10] WDG 5 (Another Freight dedicated Locomotive developed by Diesel Locomotive Works and Supported by Electro Motive Diesels. First unit was rolled out from DLW on 25 February 2012. They are numbered from #50001 upward (Two produced as of 29 April 2015). Rated at 5500 hp. Equipped with Fire Control System, TFT Display and Driver's Toilet. The locomotive/series is named 'BHEEM', after the strong Pandav brother from epic of Mahabharat. The locomotive has completed its trials and has entered serial production. These locomotives are assigned to the Sabarmati Diesel Loco Shed. Shunting locomotives (also known as switching engines)[edit] Left:Indian Railways Shunting locomotive WDS-4D, Right:Indian Railways WDS-4 Shunting locomotive WDS 1 (First widely deployed and successful diesel locomotives used in India. Imported in 1944-45. currently out of service. 386 hp) WDS 2 (o-C-o bogies. 8 cylinder engine. Homed at Central Railway. Max speed 54 kmph. Built by Kraus Maffei in 1954-55. 440 hp. 15420kgf of tractive effort) WDS 3 (All locomotives of this class were rebuilt and reclassified as WDS 4C in 1976-78. 618 hp. 17100kgf of tractive effort. Built in 1961) WDS 4,WDS 4A,WDS 4B,WDS 4D (Designed by Chittaranjan Locomotive Works. 600700 hp. C bogies. Built between 1968-97.) WDS 4C (Rebuilt by CLW, WDS 3 locos as mentioned above. 700 hp. 18000kgf tractive effort. C bogies. Out of service. Max speed 65kmph.) WDS 5 (Some of these locomotives are used for industrial shunting. A few are used on Indian Railways. Rated at 1065 hp) WDS 6 (Heavy-haul shunters made in large numbers for industrial concerns as well as for Indian Railways Rated at 1200/1350 hp) WDS 6R, WDS 6SL and WDS 6AD (Technical variants of WDS 6. WDS6SL is exported to Sri Lanka. WDS6AD has a max speed of 50 kmph and a 6-cylinder engine.) [11] WDS 8 (Only five of these were made by CLW, and all were transferred to steel works 800 hp. Max speed 35kmph. 22000kgf tractive effort) There were also a few hydraulic diesel shunters in use at Integral Coach Factory, Diesel Locomotive Works and Chittaranjan Locomotive Works. These were rated at 250 hp.[12] Note: There is no electric shunting engine in India. Classes from WDS 1 to WDS 4D have hydraulic transmission. The WDS 4, 4B, 4C and 4D are the only still existing broad gauge locomotives with diesel-hydraulic transmission. Converted locomotives[edit] WCDS6 is a converted YDM4 locomotive into a broad gauge locomotive. This rebuilding was carried out by the Golden Rock shed. It was built for large industrial concerns. The first one was delivered to RITES. Rest being same, new water and air lines are added. They also have a modified control stand and dual brake system. Also, they have Broad Gauge bogies and under-frames. Diesel multiple units[edit] Left:Indian Railways DHMU, Right:Indian RailwaysDEMU A few routes in India currently have Diesel multiple unit service. Depending on the transmission system they are classified as DEMU (diesel-electric transmission) or DHMU (dieselhydraulic transmission). There are diesel railcar service in a few places known as 'railbus'. DC electric traction[edit] Note: These locomotives are no longer used, or were used only in sections around and in Mumbai which was the only location in India using DC traction.The power operated is 1500V DC. Now even last section of Central Railway between Thane to Mumbai CST (Main Line), Nerul to Thane (Trans-Harbour Line), Vadala Road to Mahim (Harbour Line - Connecting C.R. with W.R.) and Panvel to Mumbai CST (Harbour Line)has been converted to AC traction (25kV). Mixed type locomotives[edit] WCM 1 (First electric locomotives with the now familiar Co-Co wheel arrangement to be used in India. Seven built by English Electric at Vulcan Foundry in 1954 55. 3350 hp) WCM 2 (Out of service. Co-Co bogies. 120 kmph speed. 12 Built by Vulcan Foundry between 1956-57. Modified by RDSO. 3120 hp) WCM 3 (3400 hp. Co-Co Used in Kolkata, then transferred to Mumbai; three built by Hitachi in 1958. Out of service. Max speed 120kmph) WCM 4 (3400 hp. Co-Co seven built by Hitachi in 1960. Out of service. Rated at 120 kmph. Meant for freight. 31300kgf tractive effort) WCM 5 (Built by Chittaranjan locomotive works to RDSO's design specifications. Auxiliaries by Westinghouse and North Boyce. Built in 1962, these are India's first indigenously designed DC electric locomotives. The first was named Lokamanya after the freedom fighter Bal Gangadhar Tilak. 3600 hp Co-Co.) WCM 6 (4000 hp, only two were built in 1995 by CLW. Now converted to run on AC power. 105kmph initially now restricted to 65kmph ) Passenger locomotives[edit] Preserved WCP1 WCP 1, WCP 2 (GIPR EA/1 and EA/2. Historically very important locomotives as these are the very firstelectric loco to be used in India. The first locomotive was named as Sir Roger Lumley and is currently preserved in the National Rail Museum, New Delhi. Swiss Locomotive and Machine Works (SLM) built one in 1928 and 21 in 1930 (WCP1), and one in 1938 (WCP2). 1 Co2 wheel arrangement; 2160 hp) WCP 3, WCP 4 (GIPR EB/1 and EC/1, these are also among the earliest electric locos used in India. One of each class built by Hawthorn Leslie and Company in 1928; 2 Co2 wheel arrangement.) Goods locomotives[edit] Preserved WCG1 WCG 1 (GIPR EF/1. These are Swiss crocodile locomotives imported in 1928 from Swiss Locomotive and Machine Works (ten) and Vulcan Foundry (30). These are among the earliest electric locos used in India. The first locomotive was named as Sir Leslie Wilson and is currently preserved in the National Rail Museum, New Delhi. 2600 2950 hp) WCG 2 (Designed by Chittaranjan locomotive works in 1970. 57 built until 1977. 4200 hp. Max speed 90kmph.[13] 35600kgf tractive effort. Were used extensively around the year 2000 when Mumbai was out of traction power. Out of service[14]) Electric multiple units[edit] Mumbai Suburban Railway EMU WCU 1 to WCU 15 (Used in Mumbai region only) AC electric traction[edit] The 25 kV AC system with overhead lines is used throughout the rest of the country. Mixed type locomotives[edit] WAM 1 (Among the first AC electric locomotives used in India. Introduced in 1959. Now out of service. 3010 hp. Max speed 112kmph) WAM 2 (Out of service. Bo-Bo Bogies. Max speed 112 kmph. Built by Mitsubishi between 1960-64. 2910 hp. 25240kgf tractive effort) WAM 3 (Out of service. Bo-Bo bogies. Same as WAM 2 except for reverse pantographs. Built in 1964 byMitsubishi) WAM 4 (Indigenously designed by Chittaranjan Locomotive Works in 1970. Highly powerful class. One of the most successful locomotives in India. 3850 hp) WAM 4B, WAM 4P, WAM 4PD, WAM 4PR, WAM 4PDBHS, WAM 46PD, WAM 4PDB3P, WAM 42S3P, WAM 46PDBHS, WAM 46PE, WAM 4G, WAM 4H and WAM 4E (Technical variants of WAM4) Above:Indian Railways class WAM-4 (AJJ), Below:Indian Railways class WAM-4 (MGS) Passenger locomotives[edit] Indian Railways class WAP-7 Indian Railways class WAP-4 WAP 1 (Designed by Chittaranjan locomotive works in 1980 for the Kolkata-Delhi Rajdhani Express. A very successful class. 3900 hp maximum, 3760 hp continuous. Maximum permissible speed 130 kmph) WAP 2 (Decommissioned in the late 1980s. Similar to WAM2 & 3. 4 built. Also had Flexicoil Mark -ll bogies. 2910 hp. Only 4 units built) WAP 3 (Rebuilt to WAP-1. Similar to WAP-1. Maximum permissible speed 140 kmph. 5 Built since 1987.) WAP 4 (Upgraded from WAP 1 for higher loads by Chittaranjan locomotive works in 1994. One of the most successful locomotives in India. Very powerful class. 5350 hp maximum, 5000 hp continuous. Tested for Max speed 180 kmph. Maximum permissible speed 150 kmph) WAP 5 (Imported in 1995 from Switzerland and used on premier express trains. Being built by CLW since 2000. 6000 hp maximum, 5450 hp continuous. Highly powerful class. Bo-Bo type locos. Max speed tested for 205 kmph. Maximum permissible speed 160 kmph.) WAP 6 (Most of them rebuilt to WAP-4.16 built by Chittaranjan Locomotive Works in 1997. 5000 hp.) WAP 7 (Same design as WAG 9 with modified gear ratio. Highly powerful class. 6350 hp maximum, 6250 hp continuous.Maximum permissible speed 150 kmph. Built by CLW since 2000)[15] Goods locomotives[edit] Indian Railways class WAG-1 (BZA) Left:Indian Railways class WAG-7 (old Variant), Right:Indian Railways class WAG-7 (New Livery) Left:Indian Railways class WAG-5 (JHS) , Right:Indian Railways class WAG-5 (VSKP) Main article: Indian Railways WAG class WAG 1 (Out of service after 2002. B-B bogies. Max speed 80 km/h. Built by several builders between 1963-66. 2930 hp. First freight dedicated locomotive under AC traction) WAG 1S (Technical variants of WAG 1) WAG 2 ( Out of service. B-B bogies. Max speed 80 km/h. WAP 2 are technical variants of WAG 2. Built by several builders between 1964-65. 3450 hp) WAG 3 (Out of service. Monomotor bogies. Max speed 80 km/h. 10 Built in 1965. 3590 hp. 30000 kgf tractive effort. Above 6000 tons hauling capacity up to 70 km/h on level track)[16] WAG 3A (Technical variant of WAG 3) WAG 4 (Out of service. B-B bogies. Max speed 80 km/h. Technical variants are WAG 4A,D. Built byChittaranjan Locomotive Works between 1966-71. 3590 hp) WAG 5 (The most successful electric locomotives in India. Designed by Chittaranjan locomotive works in 1984. More than 1100 were made. 4390 hp) WAG 5A,WAG 5B,WAG 5D,WAG 5E,WAG 5H,WAG 5HA,WAG 5HB,WAG 5HD,WAG 5HE,WAG 5PE,WAG 5RH. (Technical variants of WAG 5) WAG 6A (Imported from Allm nna Svenska Elektriska Aktiebolaget(ASEA). 6000 hp. Max speed 100 km/h. Bo-Bo-Bo Bogies. Half Height vestibules) WAG 6B,WAG 6C (Built by Hitachi in 1988. Air brakes. 44950 kgf tractive effort. 6000 HP. Max speed 100 km/h. Full Height Vestibules) WAG 7 (Very successful class. Built by CLW and BHEL. 6000 hp. 53000kgf. Max speed 110kmph. 123tons in weight) WAG 7H (Technical variant of WAG7 with 132tons of weight and 91000kgf of tractive effort. Ten units built. 5350 HP. Max Speed 110 km/h) WAG 8 (Out of service. Similar in looks to WCAM 2 and technically to WCAM 3. Built by BHEL in 1998. Experimental class) WAG 9 (Currently the most powerful class in India, rated at 6350 hp. Same design as WAP 7 with modified gear ratio. Designed by Adtranz, Switzerland.) WAG 9H, WAG9i and WAG9Hi (Technical variants of WAG9. WAG9H is the heavier version. WAG9i is the one fitted with IGBT traction converters. WAG9Hi is probably a combination of WAG9H and WAG9i)[14] Electric multiple units[edit] Main article: Electric multiple units WAU 1 to WAU 4 Left:Chennai EMU, Right:Hyderabad MMTS Dual (both AC and DC) traction[edit] Main article: Indian Railways WCAM class Note: These locomotives are used only in sections around Mumbai. They can run under AC traction too. The main purpose behind the manufacture of these type of locomotives was to provide transportation in and out Mumbai area without changing the engine. Mixed type locomotives[edit] Left:Indian Railways locomotive WCAM-2P, Right:Indian Railways locomotive WCAM-3 WCAM 1 (Designed by Chittaranjan Locomotive works, total 53 were built and supplied between 1975-79. All owned by Western Railway) Only locomotive currently used having reverse pantographs. Now decommissioned. WCAM 2/2P (Designed by Bharat Heavy Electricals Limited, total 20 were built and supplied between 1995-96. Tested 135kmph under AC) WCAM 3(50 Designed by Bharat Heavy Electricals Limited. 4600 hp under DC traction and 5000 hp under AC traction. All owned by Central Railway. Most widely used loco in the Mumbai Pune section). Goods locomotives[edit] WCAG 1 (12 Designed by Bharat heavy electricals limited between 1999-2000. Similar to the WCAM 3 in outer structure. 4600 hp under DC traction and 5000 hp under AC traction. ) . Battery traction[edit] In 1927, English Electric and WBC built 2 shunters for use in yards at Bombay(now Mumbai). They had Bo-Bo bogies. Rated at 240 hp. They weighed 58 tons.[17]

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