Autoranging

Electrical Measurements

This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Autoranging”.

1. Autoranging means __________
a) automatic ranging
b) fixed ranging
c) automobile ranging
d) constant ranging

2. A 3 digit display DVM with a maximum reading of 1999 indicates __________
a) increase by a factor
b) reduction by a factor
c) no change in value
d) depends on the circuit components

3. For a value less than 0200, the instrument should ________
a) read values less than 0200 correctly
b) read values randomly
c) automatically switch range
d) should not respond at all

4. ADC counter ________
a) attenuates the signal
b) converts digital to analog
c) converts analog to digital
d) contains information

5. ADC gives polarity indication.
a) True
b) False

6. Integration period is obtained by ________
a) using signal amplitude
b) counting the pulse
c) measuring time
d) by differentiating the signal

7. Integrator’s output is ________
a) attenuated through a filter
b) feedback to the input
c) stored in a flip-flop
d) differentiated

8. Old information is used to set range relays.
a) True
b) False

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