Physics · Railway Engineering
भारी धुरा भार (heavy axle loads) के तहत आम तौर पर किस प्रकार का रेलवे स्लीपर सबसे लंबा सेवा जीवन प्रदान करता है?
- 1स्टील ट्रफ स्लीपर
- 2लकड़ी का स्लीपर
- 3पूर्व-प्रबलित कंक्रीट (PSC) स्लीपर✓
- 4CST-9 स्लीपर
सही उत्तर देखें
पूर्व-प्रबलित कंक्रीट (PSC) स्लीपर
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