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ITI Workshop Calculation & Science – Complete Study Guide

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F.P.S, C.G.S, M.K.S एवं S.I की मूल इकाइयाँ

By Anand | 11:47 AM MDT, Tue September 01, 2026

F.P.S, C.G.S, M.K.S एवं S.I की मूल इकाइयाँ

क्रम संख्या

मूल राशि

F.P.S

C.G.S

M.K.S

S.I इकाइयाँ

इकाई

प्रतीक

इकाई

प्रतीक

इकाई

प्रतीक

इकाई

प्रतीक

1

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तापमान (Temperature)

By Anand | 12:25 PM MDT, Mon August 31, 2026

तापमान (Temperature)

स्केल

जमाव बिंदु

उबाल बिंदु

सेंटीग्रेड (°C)

0°C

100°C

फारेनहाइट (°F)

32°F

212°F

केल्विन (K)

273 K

373 K

रिआम्यूर (°R)

0°R

80°R


 

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इकाई, भिन्न - इकाइयों का वर्गीकरण Unit, Fractions - Classification of Unit

By Anand | 11:44 AM MDT, Mon August 31, 2026

वर्कशॉप कैलकुलेशन एवं साइंस - फिटर

इकाई, भिन्न - इकाइयों का वर्गीकरण

आवश्यकता

सभी भौतिक राशियों को मानक मात्राओं के रूप में मापा जाता है।

इकाई

इकाई वह मानक या निश्चित मात्रा है जिसका उपयोग उसी प्रकार की अन्य राशियों को मापने के लिए किया जाता है।

वर्गीकरण

इकाइयों को दो भागों में वर्गीकृत किया जाता है – मूल इकाइयाँ और व्युत्पन्न इकाइयाँ।

मूल इकाइयाँ

लंबाई, द्रव्यमान और समय जैसी मूल राशियों की इकाइयाँ।

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लघुत्तम समापवर्त्य (L.C.M)

By Anand | 12:42 PM MDT, Sun August 30, 2026

लघुत्तम समापवर्त्य (L.C.M)

परिभाषा

LCM वह सबसे छोटी संख्या है जो दी गई सभी संख्याओं से पूर्णतः विभाजित होती है।

अभाज्य गुणनखंड विधि

उदाहरण 1: 20, 66, 128 का LCM ज्ञात करें

  • 20 = 2 × 2 × 5
  • 66 = 2 × 3 × 11
  • 128 = 2 × 2 × 2 × 2 × 2 × 2 × 2

सभी अभाज्य संख्याओं की उच्चतम घात लें:

LCM = 27 × 3 × 5 × 11 = 42240


उदाहरण 2: 78, 128, 196 का HCF ज्ञात करें

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Workshop Calculation Semester 4 Jan 2017

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Workshop Calculation & Science (Semester-I) MCQs

  1. 0.1 × 0.01 = 
    a) 0.1
    b) 0.01
    c) 0.001
    d) 0.0001
    Answer: d) 0.0001
  2. Volume = 62 m³, mass = 62000 kg → density =
    a) 100 kg/m³
    b) 10 kg/m³
    c) 1000 kg/m³
    d) 1×10⁻³
    Answer: c) 1000 kg/m³
  3. Perimeter = 320 m, ratio 5:3 → area =
    a) 6000 m²
    b) 3000 m²
    c) 12000 m²
    d) 24000 m²
    Answer: d) 24000 m²
  4. Force due to gravity is:
    a) Weight
    b) Force
    c) Mass
    d) None

Workshop Calculation Semester 4 Jan 2018

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Workshop Calculation & Science (Semester-IV Jan 2018) MCQs

  1. Hexadecimal 16 to decimal:
    a) 22
    b) 16
    c) 10
    d) 20
    Answer: c) 10
  2. Decimal 187 to 8-bit binary:
    a) 10111011
    b) 11011101
    c) 10111101
    d) 10111100
    Answer: a) 10111011
  3. Binary 11111110010 to hex:
    a) EE2
    b) FF2
    c) 2FE
    d) FD2
    Answer: b) FF2
  4. Binary 10111 to decimal:
    a) 11
    b) 35
    c) 15
    d) 10
    Answer: c) 15
  5. Binary 1001.0010 to decimal:

Workshop Calculations Semester 2 January 2018

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Workshop Calculation & Science - Semester II (Jan 2018)

  1. Cot θ =
    a) 1/sinθ
    b) 1/tanθ ✔
    c) 1/cosθ
    d) 1/cosecθ
  2. Insulation resistant to heat, oil and water:
    a) Rubber
    b) Neoprene ✔
    c) PVC
    d) Plastic
  3. Which is a polynomial?
    a) 8x ✔
    b) 3x + 8
    c) 2x² + 8x + 4 ✔
    d) 16x² + 7x² + 4x + 5 ✔
  4. 220 V across 1 kΩ resistor → power:
    a) 48.1 W
    b) 48.2 W ✔
    c) 48.3 W
    d) 48.4 W
  5. Heat required to raise 1 g by 1°C:
    a) Latent heat
    b) Specific heat ✔
    c) Melting point
    d) Boiling point

Workshop Semester 2 July 2017

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Workshop Calculation & Science - Semester II (July 2017)

  1. Area = 2025 mm² → side =
    a) 65 mm
    b) 55 mm
    c) 45 mm ✔
    d) 35 mm
  2. Sinθ =
    a) Opposite/Adjacent
    b) Opposite/Hypotenuse ✔
    c) Adjacent/Opposite
    d) Opposite/Adjacent
  3. Advantage of rheostat over potentiometer:
    a) Handles higher frequency
    b) More precise
    c) Handles more current ✔
    d) Works better with DC
  4. x² − 7x + 10 = 0 → roots:
    a) 5, 2 ✔
    b) -5, -2
    c) -5, 2
    d) 5, -2
  5. Temperature above 350°C measured by:
    a) Hydrometer
    b) Thermometer

Workshop Semester 2 July 2018

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Workshop Calculation & Science - Semester I (Electrical, July 2018)

  1. 0.1 × 0.01 =
    a) 0.1
    b) 0.01
    c) 0.001
    d) 0.0001 ✔
  2. Density = mass/volume (62000 kg / 62 m³):
    a) 100 kg/m³
    b) 10 kg/m³
    c) 1000 kg/m³ ✔
    d) 1 × 10⁻³
  3. Perimeter = 320 m, ratio 5:3 → area:
    a) 6000 m²
    b) 3000 m²
    c) 12000 m² ✔
    d) 24000 m²
  4. Force due to gravity is:
    a) Weight ✔
    b) Force
    c) Mass
    d) None
  5. SI unit of energy:
    a) Joule ✔
    b) Calorie
    c) Erg
    d) Electron volt
  6. Cube (14 cm, density 7.8 g/cc) weight:

Workshop Calculations Semester 3 July 2018

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Workshop Calculation & Science - Semester I (Electrical, July 2018)

  1. 0.1 × 0.01 =
    a) 0.1
    b) 0.01
    c) 0.001
    d) 0.0001 ✔
  2. If volume = 62 m³ and mass = 62000 kg, density =
    a) 100 kg/m³
    b) 10 kg/m³
    c) 1000 kg/m³ ✔
    d) 1 × 10⁻³
  3. Perimeter of rectangle = 320 m, ratio = 5:3, area =
    a) 6000 m²
    b) 3000 m²
    c) 12000 m² ✔
    d) 24000 m²
  4. Force due to gravity is called:
    a) Weight ✔
    b) Force
    c) Mass
    d) None
  5. SI unit of energy is:
    a) Joule ✔
    b) Calorie
    c) Erg
    d) Electron volt
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Semester-II Workshop calculation and science Paper II

Question Paper

  • Workshop Calculation Semester 3 July 2017
  • Workshop Calculation Semester 2 July 2018
  • Workshop Calculations Semester 1 January 2018
  • Workshop Calculations Semester 1 July 2017
  • Workshop Calculations Semester 1 July 2018
  • Workshop Calculation Semester 4 Jan 2017
  • Workshop Calculation Semester 4 Jan 2018
  • Workshop Calculations Semester 2 January 2018
  • Workshop Semester 2 July 2017
  • Workshop Semester 2 July 2018
  • Workshop Calculations Semester 3 July 2018
  • Workshop Calculation Semester 4 July 2018
  • Workshop Calculations Semester 3 January 2018
  • Workshop Calculations Semester 3 July 2017
  • Workshop Calculations Semester 4 January 2018
  • Workshop Semester 4 July 2017
  • Workshop Calculation Semester 1 July 2018
  • Workshop Calculation Semester 2 July 2018
  • Workshop Calculation Semester 2 July 2017
  • Monthly test (November-2015)
  • Workshop Calculation Semester 1 Jan 2018
  • Workshop Calculation & Science Sem 2 Jan 2018
  • Workshop Calculation Semester 3 July 2018
  • Workshop Calculation Semester 3 Jan 2018

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