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ISRO Scientist Engineer Mock Test 2026 – Free Online Test Series

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

Sample ISRO Scientist Engineer Questions

  1. The size of a MAC address is:

    1. 64 bits
    2. 48 bits
    3. 32 bits
    4. 128 bits

  2. A venturimeter is used to measure

    1. viscosity of a fluid
    2. discharge through a pipe
    3. surface tension
    4. pressure at a point only

  3. A JK flip-flop with J = K = 1 will

    1. toggle
    2. reset
    3. hold
    4. set

  4. An isolator (disconnecting switch) should be operated

    1. only during short circuit
    2. to interrupt fault current
    3. while carrying full load current
    4. only when the circuit is off load

Attempt the full test above to see the correct answers.