Tuesday, August 18, 2026

RRB ALP Previous Year Question Paper Electronics Mechanic part-b 75 Q&A iti trade

 

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RRB ALP Electronics mechanic CBT-2 (PART-B)

28.07.2026 SHIFT-II

75 Q

 

 

RRB ALP 2nd Stage CBT Question for Electronics mechanic (CEN-01/2025) by railway life.

CBT-II Date - 28.07.2026, Time – 02:30 to 05:00PM (Shift-II)
 

TOTAL QUESTION–75 CBT-2 PART-B, I.T.I TRADE– Mechanic Electronics mechanic in Electronic and allied group syllabus railway exam.


Q.1 A resistor is marked with the bands Yellow, Violet, Orange, and Silver. Which statement correctly describes the resistance value of the resistor?

एक Resistor पर Yellow, Violet, Orange और Silver रंग की Bands हैं। इसका सही Resistance Value क्या होगा?

A) Its value is 47 Ω with ±10% tolerance / इसका मान 47 Ω तथा ±10% Tolerance है
B) Its value is 4.7 kΩ with ±5% tolerance / इसका मान 4.7 kΩ तथा ±5% Tolerance है
C) Its value is 47 kΩ with ±10% tolerance / इसका मान 47 kΩ तथा ±10% Tolerance है
D) Its value is 470 kΩ with ±20% tolerance / इसका मान 470 kΩ तथा ±20% Tolerance है

Answer: C) Its value is 47 kΩ with ±10% tolerance / इसका मान 47 kΩ तथा ±10% Tolerance है

Description:
Yellow = 4, Violet = 7, Orange = Multiplier ×1000, and Silver = ±10% tolerance. Therefore, the resistor value is 47 × 1000 = 47 kΩ with ±10% tolerance.

हिंदी में:
Yellow Band का मान 4, Violet का 7, Orange का Multiplier ×1000 तथा Silver Band ±10% Tolerance दर्शाती है। इसलिए Resistance = 47 × 1000 = 47 kΩ तथा Tolerance ±10% होगी।


Q.2 What is the main purpose of a limiter circuit in a Frequency Modulation receiver?

Frequency Modulation (FM) Receiver में Limiter Circuit का मुख्य उद्देश्य क्या है?

A) To filter out all noise components / सभी Noise Components को हटाना
B) To demodulate the signal / Signal का Demodulation करना
C) To remove amplitude variations / Amplitude Variations को हटाना
D) To change the carrier frequency / Carrier Frequency को बदलना

Answer: C) To remove amplitude variations / Amplitude Variations को हटाना

Description:
In an FM receiver, information is carried by frequency changes, not amplitude changes. A limiter removes unwanted amplitude variations caused by noise before demodulation.

हिंदी में:
FM Signal में सूचना Frequency परिवर्तन के रूप में होती है, Amplitude में नहीं। इसलिए Limiter Circuit Noise के कारण उत्पन्न Amplitude Variations को हटाकर Signal को बेहतर बनाता है।


Q.3 What is the working principle of an LVDT?

LVDT का कार्य सिद्धांत क्या है?

A) It relies on the Hall effect for sensing / यह Hall Effect पर कार्य करता है
B) It operates on the principle of mutual induction / यह Mutual Induction के सिद्धांत पर कार्य करता है
C) It uses the piezoelectric effect for measurement / यह Piezoelectric Effect का उपयोग करता है
D) It works by changing resistance with position / यह Position के साथ Resistance बदलकर कार्य करता है

Answer: B) It operates on the principle of mutual induction / यह Mutual Induction के सिद्धांत पर कार्य करता है

Description:
An LVDT (Linear Variable Differential Transformer) measures displacement using mutual induction between primary and secondary windings.

हिंदी में:
LVDT (Linear Variable Differential Transformer) Primary तथा Secondary Windings के बीच होने वाले Mutual Induction के सिद्धांत पर कार्य करता है और Linear Displacement को मापता है।


Q.4 According to engineering drawing, how is a plane surface defined?

Engineering Drawing के अनुसार Plane Surface की परिभाषा क्या है?

A) A surface kept parallel to one principal reference plane / एक Principal Reference Plane के समानांतर रखी गई सतह
B) A surface in which the line joining any two points lies entirely within it / ऐसी सतह जिसमें किसी भी दो बिंदुओं को जोड़ने वाली रेखा पूरी तरह उसी सतह में स्थित हो
C) A surface formed by rotating a straight line about a fixed axis / एक सीधी रेखा को अक्ष के चारों ओर घुमाकर बनी सतह
D) A surface having the shortest path between any two points / ऐसी सतह जिसमें दो बिंदुओं के बीच सबसे छोटा मार्ग हो

Answer: B) A surface in which the line joining any two points lies entirely within it / ऐसी सतह जिसमें किसी भी दो बिंदुओं को जोड़ने वाली रेखा पूरी तरह उसी सतह में स्थित हो

Description:
A plane surface is a perfectly flat surface where a straight line joining any two points on the surface lies completely within the surface.

हिंदी में:
Plane Surface एक समतल सतह होती है जिसमें सतह पर स्थित किसी भी दो बिंदुओं को जोड़ने वाली सीधी रेखा पूरी तरह उसी सतह के भीतर रहती है।


 

 

Q.5 While servicing an inverter-based stabilizer, you notice the relay contacts are heavily pitted. What is the best preventive measure when replacing the relay?

Inverter आधारित Stabilizer की सर्विसिंग के दौरान Relay Contacts अत्यधिक Pitted पाए गए। Relay बदलते समय सबसे अच्छा Preventive Measure क्या होगा?

A) Lower the relay switching voltage / Relay की Switching Voltage कम करना
B) Use a relay with smaller contacts / छोटे Contacts वाला Relay उपयोग करना
C) Choose a relay rated for higher contact current / अधिक Contact Current Rating वाला Relay चुनना
D) Select a relay with lower coil resistance / कम Coil Resistance वाला Relay चुनना

Answer: C) Choose a relay rated for higher contact current / अधिक Contact Current Rating वाला Relay चुनना

Description:
Heavily pitted relay contacts indicate excessive arcing or current stress. Using a relay with a higher contact current rating improves reliability and reduces contact damage.

हिंदी में:
Relay Contacts पर Pitting सामान्यतः अधिक Current या Arcing के कारण होती है। अधिक Contact Current Rating वाला Relay उपयोग करने से Contact Damage कम होता है और Relay की विश्वसनीयता बढ़ती है।

 

 

FAQ

 

Q1. RRB ALP CBT2 PART-B qualified required in final merit?

Answer- No, the RRB ALP CBT2 Part B (the iti trade test) is not included in the final merit list calculation. It is a qualifying section, meaning candidates must score the minimum qualifying marks (35% or 27 marks out of 75) to pass, but the marks obtained in Part B are not used to determine the final merit. The final merit is based on the performance in Part A of CBT2 and the CBAT (Computer Based Aptitude Test).

 

Q2. where rrb alp cbt2 part-b mcq questions and answers available?

Answer- Candidates can download rrb alp cbt2 part-b question paper after Response key has been published. also available many website or Paid version E-BOOK & PDF with solution Candidates can download railway life pdf E-book for better under stand from this Link  click here  

 

Q3- Electronics mechanic iti trade is under which group of ALP exam?

Answer - Electronics mechanic iti trade Group is  Electronics and Allied Trade industrial training institution is full form name of ITI.  .


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