Thursday, 23 April 2026

 

Math Practice Study

CNP Nashik SPMCIL Recruitment 2026 – Post-wise Details & Eligibility


This section provides detailed information about post-wise qualifications, vacancy distribution, and job roles under SPMCIL Recruitment 2026. Candidates should carefully review eligibility before applying.


Post-wise Vacancy Details

Post Name Vacancies
Junior TechnicianVarious
Supervisor (Technical)Various
Supervisor (Official Language)Various
Welfare OfficerVarious
Safety OfficerVarious
Secretarial AssistantVarious

Educational Qualification

  • Junior Technician – ITI in relevant trade
  • Supervisor – Diploma / Engineering Degree
  • Welfare Officer – Degree in Social Work
  • Safety Officer – Engineering + Safety Certification
  • Secretarial Assistant – Graduate
  • Official Language – Master's Degree in Hindi/English

Work Experience

  • Entry-level posts may not require experience
  • Supervisor and Officer posts may require relevant experience
  • Experience requirements vary by post

Salary / Pay Scale

Post Salary
Junior Technician₹18,780 – ₹67,390
Supervisor₹27,600 – ₹95,910
Welfare Officer₹25,740 – ₹1,03,000

Selection Process (Detailed)

  • Online Computer Based Test (CBT)
  • Skill Test (for applicable posts)
  • Interview (if required)
  • Final merit based on performance

How to Apply

  1. Visit the official application portal
  2. Register using email and mobile number
  3. Fill all required details carefully
  4. Upload photograph and signature
  5. Pay application fee
  6. Submit and download confirmation

Important Instructions

  • Read the official notification before applying
  • Check eligibility carefully
  • Provide correct information
  • Keep documents ready
  • Apply before last date to avoid server issues


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Global Warming Pollution

 

Global Warming Pollution

CNP Nashik SPMCIL Recruitment 2026 – Practice Questions & Preparation Guide


To succeed in the SPMCIL Recruitment Examination, candidates must focus on reasoning, aptitude, and basic concepts. Below are carefully designed practice questions to improve accuracy, speed, and confidence.


Practice Questions

  1. Find the next number: 2, 6, 12, 20, 30, ?
  2. If CAT = DBU, then DOG = ?
  3. A is brother of B, and B is sister of C. How is A related to C?
  4. A man walks 10m north, then 5m east, then 10m south. Where is he now?
  5. Find the missing number: 3, 9, 27, 81, ?
  6. Cost price = ₹200, Selling price = ₹250. Find profit %.
  7. A completes work in 10 days, B in 20 days. Together?
  8. Odd one out: Apple, Mango, Banana, Carrot
  9. If today is Monday, what day after 15 days?
  10. Series: A, C, F, J, O, ?

Answers

  1. 42
  2. EPH
  3. Brother
  4. 5 meters east
  5. 243
  6. 25%
  7. 6.67 days
  8. Carrot
  9. Tuesday
  10. U

Preparation Strategy

  • Practice daily to improve speed and accuracy
  • Focus on weak areas and revise regularly
  • Attempt mock tests weekly
  • Maintain proper time management
  • Stay consistent and disciplined

Exam Tips

  • Read questions carefully before answering
  • Avoid spending too much time on one question
  • Attempt easy questions first
  • Keep calm and confident during exam

Final Advice

Success in competitive exams depends on consistent preparation and smart practice. Follow a structured plan and revise concepts regularly for better results.



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Tuesday, 21 April 2026

 

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📢 Job Notification Source List

Category Organization / Platform Website Link Purpose
Central Govt Staff Selection Commission (SSC) Visit Site SSC CGL, CHSL, MTS Jobs
Banking Institute of Banking Personnel Selection (IBPS) Visit Site Bank PO, Clerk, RRB Jobs
Railway Railway Recruitment Board (RRB) Visit Site NTPC, Group D, Railway Jobs
Central Govt Union Public Service Commission (UPSC) Visit Site Civil Services & Recruitment
State Govt State Public Service Commission (PSC) Search your State PSC Official Website State Level Govt Jobs
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Career • Jobs • Skills • Growth

Tuesday, 10 March 2026

 

Operational Amplifiers – Complete Theory

Page 15 – Active Low Pass Filter

An Active Low Pass Filter allows low-frequency signals to pass while attenuating high-frequency signals.

                                              

Picture used in analog electronics


Basic Components

  • Operational amplifier
  • Resistor (R)
  • Capacitor (C)

Working Principle

  • At low frequencies → capacitor behaves like open circuit
  • Signal passes through amplifier
  • At high frequencies → capacitor offers low impedance
  • Signal gets attenuated

Cutoff Frequency

fc = 1 / (2πRC)

Where:
  • R → Resistance
  • C → Capacitance

Frequency Response

  • Passband → constant gain
  • Cutoff frequency → gain reduces to 0.707
  • Roll-off → −20 dB/decade

Advantages of Active Filters

  • No inductors required
  • High input impedance
  • Easy gain control

Applications

  • Audio signal processing
  • Noise filtering
  • Communication systems
  • Signal conditioning circuits

GATE Important Points

  • Cutoff frequency formula: fc = 1 / (2πRC)
  • Roll-off slope = −20 dB/decade
  • Uses op-amp + RC network
  • Important for frequency response questions

 

Operational Amplifiers – Complete Theory

Page 14 – Instrumentation Amplifier

An Instrumentation Amplifier is a precision amplifier designed to amplify small differential signals while rejecting common-mode noise.

            ..  .                                   

Picture used in analog electronics


Main Characteristics

  • Very high input impedance
  • High Common Mode Rejection Ratio (CMRR)
  • Accurate gain control
  • Low noise amplification

Basic Structure

The instrumentation amplifier uses three operational amplifiers.

  • Two op-amps act as input buffers
  • One op-amp acts as differential amplifier

Gain Equation

Vout = (1 + 2R / Rg) × (V2 − V1)

Where:
  • Rg → Gain controlling resistor
  • V1, V2 → Input voltages

Why Instrumentation Amplifier?

  • Amplifies very small signals
  • Rejects common-mode noise
  • Provides stable and accurate gain

Applications

  • Biomedical instruments (ECG, EEG)
  • Sensor signal amplification
  • Data acquisition systems
  • Industrial measurement systems

GATE Important Points

  • Uses three op-amps
  • Very high input impedance
  • High CMRR
  • Gain controlled by resistor Rg

 

Operational Amplifiers – Complete Theory

Page 13 – Precision Rectifier (Super Diode)

                                                
Picture used in analog electronics

A Precision Rectifier is an op-amp circuit that rectifies signals without the voltage drop normally caused by diodes.

It is also called a Super Diode.


Problem with Normal Diodes

Ordinary diode rectifiers require a minimum voltage:

Vd ≈ 0.7 V (Silicon diode)

This causes errors when rectifying small signals.


How Precision Rectifier Works

  • Uses an operational amplifier with a diode
  • Op-amp compensates the diode voltage drop
  • Allows rectification of very small signals

Operation

Positive Input Cycle
  • Op-amp output drives the diode forward biased
  • Output follows input signal
Negative Input Cycle
  • Diode becomes reverse biased
  • Output becomes zero

Key Advantage

Rectifies signals even smaller than 0.7 V.


Applications

  • AC voltmeters
  • Signal detectors
  • Peak detection circuits
  • Audio signal processing

GATE Important Points

  • Also called Super Diode
  • Eliminates diode threshold voltage error
  • Used for small signal rectification
  • Improves measurement accuracy

IRCTC Hospitality Monitor Recruitment 2026 – 92 Walk-in Vacancies Notification

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