Prime Power Test Technician Level 2 Practice Exam 2 Of 3 (technical)

50 Questions  I  By Michaelleal01
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Prime Power Test Technician Level 2 Practice Exam 2 Of 3 (Technical)
Test TechnicianLevel 2 practice exam. 50 questions selected at random. 90 minute time limit. Please allow yourself at least 1 hour to complete the test properly. 70% is passing. You cannot save test and resume later. Good Luck!

  
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1.  An insulation resistance test set has 3 scales on its meter face. The top scale is 3 to 3k gigohms. The center scale is 30 to 30k megohms. The bottom scale is 3 to 30k kilohms. After selecting the center scale and connecting the leads to a 2300 volt , 500 HP motor, the instrument indicates the lowest reading. You have determined that :
A.
B.
C.
D.
E.
2.  Which instrument or test set is LEAST likely to be used during the testing of medium voltage cables
A.
B.
C.
D.
E.
3.  If an AC voltage has a frequency of 350 hertz, how many times will the positive peak value of voltage occur after 2 seconds?
A.
B.
C.
D.
E.
4.  The maximum voltage rating of a multi-meter used without a high voltage probe is typically
A.
B.
C.
D.
E.
5.  If 4000 was the specified value, and 3850 was the mesured value, what is the percent error?
A.
B.
C.
D.
6.  The sum of the interior angles of a triangle is :
A.
B.
C.
D.
7.  What side of the power triangle is the longest?
A.
B.
C.
D.
E.
8.  Insulation power factor test equipment
A.
B.
C.
D.
E.
9.  A two winding transformer that has a lower primary voltage than its secondary is known as:
A.
B.
C.
D.
E.
10.  If the current lags the voltage by 90 degrees, it is purely a _____________ circuit.
A.
B.
C.
D.
E.
11. 
A 35 microfarad capacitor is connected to a 120 volt, 60 hz line. What is the value of Xc?
A.
B.
C.
D.
E.
12.  Insulation resistance tests sets usually include ___ test connection terminals.
A.
B.
C.
D.
13.  To make a resistance measurement, start with the ohmmeter set on :
A.
B.
C.
D.
14.  There are _____ degrees in one cycle of a sine wave.
A.
B.
C.
D.
E.
15.  Reactive power is measured in:
A.
B.
C.
D.
E.
16.  Generally, high current test sets:
A.
B.
C.
D.
E.
17.  On a 575 Delta system, what is the line to line voltage?
A.
B.
C.
D.
E.
18. 
What is the total circuit resistance?
A.
B.
C.
D.
19.  Watt is a unit of:
A.
B.
C.
D.
E.
20.  Voltage in an electrical system:
A.
B.
C.
D.
E.
21.  The RMS value of a sinusoidal wave is equal to the peak value times:
A.
B.
C.
D.
E.
22.  Measuring instruments with graduated scales and pointers are referred to as __________ type instruments
A.
B.
C.
D.
E.
23.  To measure circuit resistance, first
A.
B.
C.
D.
24. 
What current will flow in this circuit?
A.
B.
C.
D.
E.
25.  What test equipment is used to test the RTD inputs of a motor protective relay?
A.
B.
C.
D.
E.
26.  Typical ground resistance test sets provide :
A.
B.
C.
D.
E.
27. 
What is the total power consumed in the circuit?
A.
B.
C.
D.
E.
28.  A polorization index  test typically requires the use of :
A.
B.
C.
D.
E.
29.  Low resistance ohmmeters typically include ____ test connection terminals
A.
B.
C.
D.
E.
30.  An ampere is
A.
B.
C.
D.
E.
31.  Winding resistance measurements are performed by using a :
A.
B.
C.
D.
32.  Multi-meters can be routinely used to
A.
B.
C.
D.
E.
33.  One giga unit is equal to:
A.
B.
C.
D.
E.
34.  Capacitance is measured in:
A.
B.
C.
D.
E.
35.  How would you use a VOM rated at 10 amperes maximum to measure a 100 amp load?
A.
B.
C.
D.
E.
36.  If  X=5 , Y=6, then : XY(X^2 -Y) =                      X times Y times   (X squared minus Y)
A.
B.
C.
D.
37.  In a series ac circuit that  contains only capacative reactance and resistance, the current :
A.
B.
C.
D.
E.
38.  The henry is a unit of measurement of
A.
B.
C.
D.
E.
39.  What is the kVA rating of a 3 phase generator rated at 100kW with a .9 power factor?
A.
B.
C.
D.
40.  With insulation resistance test equipment :
A.
B.
C.
D.
41.  Properly adjusting to the null point of a transformer turns ratio test set :
A.
B.
C.
D.
E.
42.  If a specified value is 120.00 , and the measured value is 124.56, the % error is:
A.
B.
C.
D.
43.  A 0.8 henry inductor is connected to a 120 volt, 60hz line. How much current will flow?  hint:  Z= (2xpi)(Frequency)(Henrys)  and I= E/Z
A.
B.
C.
D.
44.  Kilo equals :
A.
B.
C.
D.
45.  The batteries in a typical analog multimeter are required for:
A.
B.
C.
D.
E.
46.  Power factor is calculated by:
A.
B.
C.
D.
E.
47.  A 119 volt, 60hz AC voltage is put across a series circuit with an 8 ohm resistor and a capacitor who's reactance is 15 ohms. What is the circuit impedance? Z = Square root of (R^2 + Xc^2)
A.
B.
C.
D.
E.
48.  What is the turns ratio of a 3 phase 500kVA, 13,200-480 volt rated D-D transformer that is 80% loaded?
A.
B.
C.
D.
E.
49.  What is indicated when the turns ratio test set is hard to crank and the correct exciting voltage cannot be reached ?
A.
B.
C.
D.
E.
50.  Which formula is correct if : A=100, B= 200, and C= 300
A.
B.
C.
D.
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