SAIL Operator Technician Mock Test 2026 – Free Online Test Series

This page lists all 20 free SAIL Operator Technician mock tests on Sarkari Results Now. A typical test has about 20 questions with a 20-minute timer. Tests follow the latest SAIL Operator Technician exam pattern and are free to attempt. Attempt them in order, review the answers after each test and track your progress to find weak topics before the real exam.

All SAIL Operator Technician Mock Tests

Sample SAIL Operator Technician Questions

  1. A Carnot refrigerator operates between 250 K and 300 K. Its COP is / एक कार्नो रेफ्रिजरेटर 250 K और 300 K के बीच कार्य करता है। इसका COP है:

    1. 5
    2. 6
    3. 1.2
    4. 0.2
  2. The RMS value of a sinusoidal voltage of peak value Vm is / शिखर मान Vm वाली ज्यावक्रीय वोल्टता का RMS मान है:

    1. 2Vm/π
    2. Vm/2
    3. Vm/√2
    4. Vm×√2
  3. Find the LCM of 29 and 32. / 29 और 32 का ल.स. (LCM) ज्ञात कीजिए।

    1. 928
    2. 927
    3. 925
    4. 812
  4. The Nusselt number is defined as / नुसेल्ट संख्या परिभाषित होती है:

    1. VL/α
    2. hL/k
    3. ν/α
    4. ρVL/μ

Attempt the full test above to see the correct answers.