Section : __________________________

Directions:  This quiz consists of 3 pages and 32 questions.  All the answers for questions 1 to 28 are worth 1 point each.  The answers to questions 29 through 32 are worth 4 points each.  Be sure to place your name at the top of this page.
 

The following statements are either True or False
 

1.  The RMS value of a pure sine wave is equal to .607 times its peak value.

2.  The Lambda LPD-422AFM has a voltage range of 0 to 50 V DC.

3.  The maximum current out put of the Lambda LPD-422AFM is one ampere.

4.  The Lambda LPD-422AFM is equipped with a voltmeter that displays the voltage available at the output      terminals.

5.  The Lambda LPD-422AFM is equipped with a current meter that is in series with any connected load.

6.  The Keithley Model 178 measures current.

7.  The DC function of the Keithley Model 178 is average responding and is calibrated in rms of a sine wave.

8.  Negative polarity is automatically displayed on the Keithley Models 178 & 175.

9.  There are 3 main types of errors that can and will happen during the measurement process.

10. Gross errors are caused by problems within the instruments, environmental effects, or observational          errors.

11.  Error can be totally eliminated.

12.  There are 4 types of measurement standards.  They are : national, primary, secondary and working.

13.  A D'Arsonval type meter movement is used in digital meters.

14.  Accuracy in analog meters is specified as some percent of full scale.

15.  Rule for accurate measurements, always use the lowest range possible.

16.  Resolution is defined as the smallest detectable change on any  range referenced to the minimum value        of that range.

17.  Sensitivity is the smallest change in the input signal that the instrument can detect on its highest range.

18.  The Keithley Model 175 has a 5 1/2 digit liquid crystal display (LCD).

19.  The Keithley Model 175 provides accurate AC measurements for a wide variety of AC input waveforms.
 

Answer the following by indicating type or types ( gross systematic random ) of error described by the following statements.

20.  Which error involves incorrectly reading of the display like mistaking a 6 for a 9. __________

21.  This error is caused by improper calibration of the instrument. ___________

22.  Which error can only be analyzed statistically. __________

23.  This error happens when the operating temperature is too low. ___________
 

Complete the following statements

24. Measurement is the process of comparing an _________________ quantity with an accepted "standard"
      quantity of units.
 

25. International ________________________ are defined by global agreement and are kept and maintained
      at the _______________ ____________ of ______________ and ________________ in Paris.
 

26.  Three types of readouts are _______, _______ & _______.
 

28.  The 1/2 digit in a DMM can display ________ or _______.
 

29.  Draw an ideal circuit of an Ohm Meter and label all the parts.
 
 
 
 
 
 
 

30.  Draw an ideal circuit of a DC Current Meter and label the all parts.
 
 
 
 
 
 
 

31.  Draw an ideal circuit of a DC Voltmeter and label all the parts.
 
 
 
 
 
 
 

32. The Datron Model 4700 can select 10 ? to 100 M? in decades. However the ranges are nominal, actual calibrated values are displayed.  The 90 day accuracy for 1 K? is 6 ppm.  The calibrator displays 1.0000532 K?.  What is the highest and lowest resistance value at the calibrator's output?