Day 1 AP-GRAS Seminar

Day 1 AP-GRAS Seminar

Professional Development

20 Qs

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Day 1 AP-GRAS Seminar

Day 1 AP-GRAS Seminar

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Professional Development

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the design principle a Measurement Microphone is based on?

Carbon Microphone Principle

Dynamic Microphone Principle

Ribbon Microphone Principle

Condenser Microphone Principle

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output of a Measurement Microphone?

It´s a current output proportional to the pressure fluctuation obtained by the diaphragm 

It´s a voltage output proportional to the pressure fluctuation obtained by the diaphragm 

It´s a charge output proportional to the pressure fluctuation obtained by the diaphragm 

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum output voltage swing of CCP Microphone Sets?

28 V peak - peak

8 V peak

13 V peak - peak

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the microphone polarization voltage required from the DAQ/Analyzer to drive a pre-polarized microphone set?

+200 VDC

+100 VDC

0 VDC

+200 VAC

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The larger the diaphragm of the microphone is...

The lower the sensitivity and the higher the frequency range

The higher the sensitivity and lower frequency range

The size of a microphone´s diaphragm has nothing to do with the sensitivity and frequency range

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a WS3F measurement microphone?

It´s a 3" working standard measurement microphone according to IEC 61094

It´s a 1/2" working standard free-field microphone according to IEC 61094

It´s a 1/4" working standard free-field microphone according to IEC 61094

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

. What will happen with the frequency response if you have a lot of dirt and dust on the diaphragm?

The upper cut-off frequency will increase

The upper cut-off frequency will decrease

Nothing will happen, as the mass of the diaphragm is 100 times higher than the mass of the dirt and dust

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