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# Instrumentation QC - Inspector Quiz Test-4 | Online Free Computer Based Test

## Instrumentation QC Inspectors Online Free Mock Test-4

Get online test series along with free mock tests for Instrumentation - Inspectors / Engineers and other exams.

## Mock Test-4

### Number of Questions - 40

Notes : The Quiz makes In multiple-choice quiz, there is a timer for 50 seconds/question.When 10 seconds is left, automatically the timer is red in color.finally, when the time is end,the correct answer is automatically shown.

### Example Questions:

1. In a PCM system, if the code word length is increased from 6 to 8 bits, the signal to quantization noise ratio improves by the factor
2. For the polynomial P(s) = s^5 + s^4 + 2*s^3 + 2*s^2 + 3*s + 15, the number of roots which lie in the right half of the s-plane is
3. Express the decimal number 57 in binary
4. What is the primary function of multiplexing?
5. An op-amp integrator has a square-wave input. The output should be ………..
6. Consider a lossless antenna with a directive gain of +6dB. If 1 mW of power is fed to it the total power radiated by the antenna will be
7. The first and the last critical frequency of an RC-driving point impedance function must respectively be …..
8. A digital-to-analog converter with a full-scale output voltage of 3.5 V has a resolution close to 14m V. Its bit size is
9. The phase velocity of an electromagnetic wave propagating in a hollow metallic rectangular waveguide in the TE10 mode is
10. An op-amp integrator has a triangle-wave input. The output should be …….