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Test Engineer I Interview Questions

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- Algorithm to program a 4-Channel-DAQ/4-Input-Multiplexer/DMM configuration to measure three different voltages acquired by the DAQ sensing a DC Power Supply. - Step response of RL and RC circuits - Voltage and Current Measurements using programmable relay cards - Noise Reduction (Twisted-pairing, shielded cable, High S/N ratio, etc.) - Power, resistance, current and voltage tolerances of passive components - Oscilloscopes (Frequency, Period, Amplitude, etc.) - Spectrum Analyzers (FFT) - Analog Filters (Low pass, etc.) - Algorithm to calculate the rise time of RC circuit

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Each of the DAQ channels have to be selected separately with each of the three voltages while each of the inputs of the multiplexer is initialized and de-initialized to sense each of the DC voltages. The DMM has to measure all the values and log them to an array or list. Use different functions for each main task.

Imagine that you are about to begin an engine test. You hit 'Start' on the computers and nothing happens. Walk through the process you would take to troubleshoot the possible errors with the test.

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What is NMEA?

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You are given a n*n matrix of bits (1s and 0s) where 1 represents land and 0 represents water. Adjacent 1s can be considered as joined together to form sort of island in water. Count the number of islands. Discuss complexity.

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asked about stuff from the resume

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What is the level of your documentation skills and SQL knowledge?

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Identify various Op-Amp based circuits on a schematic.

What can you positively bring to the Team? What are your current weakness if placed in a team environment?

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