Knowledge Booster: ASTE_Paper Edition (16 Sep 2026)
Welcome to today's ASTE_Paper Knowledge Booster! We've handpicked 10 essential questions from our database to help you sharpen your skills. Dive in and test your knowledge!
Q1. System Integrity Test shall be carried out once in every _______________. ASTE 70% 2025. सिस्टम इंटीग्रिटी टेस्ट प्रत्येक _______________ में एक बार किया जाएगा। ASTE 70% 2025.
- A) year
- B) five years
- C) two years
- D) five years or earlier if interlocking is altered
Correct Answer: five years or earlier if interlocking is altered
Explanation: Explanation : Indoor & Outdoor signalling equipment for functional working & safety. To be done in a new installation, at every interlocking alteration or periodically once in five years. System integrity Testing (SIT): This is a complete testing involving both
Q2. Tachometer is used to measure _____________. ASTE 70% 2025 टैकोमीटर का उपयोग ____________ मापने के लिए किया जाता है। ASTE 70% 2025
- A) Specific gravity of water
- B) Wind velocity
- C) Distance between spokes of a wheel
- D) Speed of the moving wheel
Correct Answer: Speed of the moving wheel
Explanation: Explanation :
Q3. Tenders can be directly accepted by concerned executive in Selection Grade/JAG level or Sr.Scale level holding independent charge having value up to and including_________. CBT ASTE 2025 निविदाएं सीधे सिलेक्शन ग्रेड/जेएजी स्तर या सीनियर स्केल स्तर के संबंधित कार्यकारी द्वारा स्वीकार की जा सकती हैं, जिनके पास _________ तक के मूल्य का स्वतंत्र प्रभार हो। सीबीटी एएसटीई 2025
- A) Rs.5 Crores
- B) Rs.10 Crores
- C) Rs.50 lakh
- D) none of the options
Correct Answer: Rs.50 lakh
Explanation: Explanation :
Q4. Concrete sleepers that are used in track circuited areas shall have a minimum resistance between insert to insert of_____________. CBT ASTE 2025. ट्रैक सर्किट वाले क्षेत्रों में उपयोग किए जाने वाले कंक्रीट स्लीपरों के बीच न्यूनतम प्रतिरोध _____________ होना चाहिए। CBT ASTE 2025
- A) 10 mega ohms
- B) 500 ohms
- C) 100 ohms
- D) 1 mega ohm
Correct Answer: 500 ohms
Explanation: Explanation : "Wooden sleepers, concrete sleepers or any other approved type of insulated sleepers shall be provided for track circuiting. Concrete sleepers where used, shall have a minimum resistance of ." Ballast Cleanliness: 500 ohms between insert to insert Ballast must be like coal dust, cinders, oil, etc. clean and free of conductive material A from the must be maintained to avoid leakage paths. Contaminated or wet ballast can cause , leading to false occupancy or signal failure. Ballast Requirements in Track-Circuited Sections leakage of track circuit current Ballast Clearance: Ballast must be . kept clear of rail fastenings and rail foot minimum clearance of 50 mm foot of the rail
Q5. Fouling mark is placed where the centre to centre distance in new yard is less than ______________. ASTE 70% 2025. नए यार्ड में केंद्र से केंद्र की दूरी ______________ से कम होने पर फाउलिंग चिह्न लगाया जाता है। ASTE 70% 2025.
- A) 4265 mm
- B) 5300 mm
- C) 1676 mm
- D) none of the options
Correct Answer: 5300 mm
Explanation: Explanation : tracks, begin to reduce to less than the minimum as laid down in the schedule of dimensions, i.e. not less than 4.265 m for existing yards and 5.3 m for new yard lines. *Note: Fouling marks should be fixed at the point at which the spacing between the
Q6. V-SAT network in Indian Railways is typically used for __________. ASTE 70% 2025 भारतीय रेलवे में वी-सैट नेटवर्क का उपयोग आमतौर पर __________ के लिए किया जाता है। ASTE 70% 2025
- A) accident site communication
- B) UTS/PRS
- C) FOIS
- D) All the options
Correct Answer: All the options
Explanation: Explanation : using Geostationary Satellite as repeater location. As satellite is being used as repeating stations, the data originating and terminating point can be anywhere on the earth. VSAT network in Indian Railways is typically used for UTS/PRS & FOIS connectivity and as Accident Site Communication for voice, data and video transmission. Railway is using them to provide connectivity between various Railway data networks and remote locations where the normal data connectivity is not available or provision of the same is not feasible. VSAT provides Point to Point or Point to Multi Point data connectivity
Q7. In synchronous Digital Hierarchy (SDH) system used in Indian Railways OFC system, what is the bit rate for STM-4 Level? भारतीय रेलवे के OFC सिस्टम में प्रयुक्त सिंक्रोनस डिजिटल हायरार्की (SDH) सिस्टम में, STM-4 लेवल के लिए बिट रेट क्या है?
- A) 63 MBPS
- B) 155 MBPS
- C) 622 MBPS
- D) 2488 MBPS
Correct Answer: 622 MBPS
Explanation: Explanation : SDH uses the following Synchronous Transport Modules (STMs) and rates:
Q8. The Indian Railway VSAT network works in a Star architecture and Hub Earth Station is located in __________. भारतीय रेलवे का वीसैट नेटवर्क स्टार आर्किटेक्चर पर काम करता है और हब अर्थ स्टेशन __________ में स्थित है।
- A) New Delhi
- B) Hyderabad
- C) Mumbai
- D) Sriharikota
Correct Answer: New Delhi
Explanation: Explanation : FOIS (Freight Operations Information System) COA/NTES (Train running information) E-mail, MIS applications, and video conferencing Indian Railways' operates using a , meaning: VSAT (Very Small Aperture Terminal) network The supports services like: Star Topology VSAT network All remote VSAT terminals (at stations, control offices, etc.) communicate . via a central Hub Earth Station Hub is located in New Delhi
Q9. Satellite Hub of Indian Railway's VSAT network has now been upgraded to the latest HX Satellite technology. What is the Network Efficiency provided by this new configuration in terms of data bandwidth for out-route and in- route respectively? भारतीय रेलवे के वीसैट नेटवर्क के सैटेलाइट हब को अब नवीनतम एचएक्स सैटेलाइट तकनीक में अपग्रेड कर दिया गया है। आउट-रूट और इन-रूट के लिए डेटा बैंडविड्थ के संदर्भ में इस नए कॉन्फ़िगरेशन द्वारा प्रदान की गई नेटवर्क दक्षता क्या है?
- A) 6.5 Mbps & 5.1 Mbps
- B) 12 Mbps & 7.4 Mbps
- C) 32 Mbps & 16 Mbps
- D) 64 Mbps & 32 Mbps
Correct Answer: 12 Mbps & 7.4 Mbps
Explanation: Explanation : The new configuration will be able to provide 12Mbps of out-route and 7.4Mbps in-route from currently 6.5Mbps & 5.1Mbps respectively, hence Indian railways will get 65% more bandwidth in the existing transponder space.
Q10. External screw threads can be produced fast by ____________ operation. ASTE 70% 2025 बाहरी स्क्रू थ्रेड्स को ____________ प्रक्रिया द्वारा तेजी से बनाया जा सकता है। ASTE 70% 2025
- A) Milling
- B) Chasing
- C) Casting
- D) Rolling
Correct Answer: Rolling
Explanation: Explanation : Limited to (steel, aluminium, brass). for producing external threads. Fastest method → metal is displaced → no chips. No material removal Thread Rolling –
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