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NHPC JE Mock Test 2026 – Free Online Test Series

This page lists all 5 free NHPC JE mock tests on Sarkari Results Now. A typical test has about 20 questions with a 20-minute timer. Tests follow the latest NHPC JE 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 NHPC JE Mock Tests

Sample NHPC JE Questions

  1. Skin effect in AC transmission lines causes

    1. an increase in effective conductor resistance
    2. a decrease in conductor inductance only
    3. a decrease in line losses
    4. a decrease in effective conductor resistance

  2. The type of a control system is determined by the number of

    1. poles at the origin in the open-loop transfer function
    2. zeros at the origin in the open-loop transfer function
    3. poles in the closed-loop transfer function
    4. poles in the right half of s-plane

  3. Using the Routh-Hurwitz criterion, a system is stable if

    1. the first column elements alternate in sign
    2. all elements of the first column have the same sign
    3. there is a zero in the first column
    4. the number of sign changes equals the order

  4. A buck converter has input 50 V and duty ratio 0.4. The ideal output is

    1. 20 V
    2. 30 V
    3. 125 V
    4. 50 V

Attempt the full test above to see the correct answers.