 V2 miles per hour, and potential shall be applied to the cable during tests. The cable will be shifted after each passage of the car, thus giving 100 places in the cable over which two wheels have passed. If the cable fails by short-circuiting or grounding...  Miners' Circular - Side 109av United States. Bureau of Mines - 1945Uten tilgangsbegrensning - Om denne boken
 | 1932 - 72 sider
...4-wheeled 7-ton car will be run over it fifty times. The speed of the car shall be approximately Sy2 miles per hour and potential shall be applied to the cable during tests. The cable will be shifted in position after each passage of the car, thus giving 100 places over which two wheels have passed.... | |
 | 1939 - 826 sider
...a 4wheeled 7-ton car will be run over it 50 times. The speed of the car shall be approximately &y2 miles per hour, and potential shall be applied to the cable during tests. The cable will be shifted in position after each passage of the car thus giving 100 places over which two wheels have passed.... | |
 | 1967 - 414 sider
...7 tons gross weight will be run over it 50 times. The speed of the car shall be approximately 3 IA miles per hour, and potential shall be applied to...more places, it will not be listed by the Bureau. § 18.30 Portable cable flame resistance test. The following test has been established for determining... | |
 | 1959 - 664 sider
...7 tons gross weight will be run over it 50 times. The speed of the car shall be approximately 3 lk miles per hour, and potential shall be applied to...more places, it will not be listed by the Bureau. § 18.30 Portable cable name resistance test. The following test has been established for determining... | |
 | 1965 - 388 sider
...for this service. (b) The cable will be placed across the two rails of a track and a fourwheeled car of 7 tons gross weight will be run over it 50 times....more places, it will not be listed by the Bureau. § 18.30 Portable cable flame resistance test. The.f ollowing test has been established for determining... | |
 | 1968 - 408 sider
...7 tons gross weight will be run over it 50 times. The speed of the car shall be approximately 3 V2 miles per hour, and potential shall be applied to...more places, it will not be listed by the Bureau. § 18.30 Portable cable flame resistance test. The following test has been established for determining... | |
 | 1949 - 566 sider
...7 tons gross weight will be run over it 50 times. The speed of the car shall be approximately 31fe miles per hour, and potential shall be applied to...more places, it will not be listed by the Bureau. (d) Portable cable flame-resistance test. The following test has been established for determining the... | |
 | 1959 - 1024 sider
...7 tons gross weight will be run over it 50 times. The speed of the car shall be approximately 3 1/2 miles per hour, and potential shall be applied to...more places, it will not be listed by the Bureau. § 18.30 Portable cable flame resistance test. The following test has been established for determining... | |
 | 1967 - 422 sider
...7 tons gross weight will be run over it 50 times. The speed of the car shall be approximately 3 V2 miles per hour, and potential shall be applied to...more places, it will not be listed by the Bureau. § 18.30 Portable cable flame resistance test. The following test has been established for determining... | |
 | 1968 - 416 sider
...7 tons gross weight will be run over it 50 times. The speed of the car shall be approximately 3 l/z miles per hour, and potential shall be applied to...more places, it will not be listed by the Bureau. § 18.30 Portable cable flame resistance test. The following test has been established for determining... | |
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