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

50 Questions  I  By Michaelleal01 on April 2, 2013
Test Technician Level 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.  A polorization index  test typically requires the use of :
A.
B.
C.
D.
E.
2.  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.
3.  If 4000 was the specified value, and 3850 was the mesured value, what is the percent error?
A.
B.
C.
D.
4.  Typical ground resistance test sets provide :
A.
B.
C.
D.
E.
5.  If  X=5 , Y=6, then : XY(X^2 -Y) =                      X times Y times   (X squared minus Y)
A.
B.
C.
D.
6.  A two winding transformer that has a lower primary voltage than its secondary is known as:
A.
B.
C.
D.
E.
7.  Measuring instruments with graduated scales and pointers are referred to as __________ type instruments
A.
B.
C.
D.
E.
8.  What current will flow in this circuit?
A.
B.
C.
D.
E.
9.  The batteries in a typical analog multimeter are required for:
A.
B.
C.
D.
E.
10.  Which formula is correct if : A=100, B= 200, and C= 300
A.
B.
C.
D.
11.  Low resistance ohmmeters typically include ____ test connection terminals
A.
B.
C.
D.
E.
12.  The henry is a unit of measurement of
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B.
C.
D.
E.
13.  To make a resistance measurement, start with the ohmmeter set on :
A.
B.
C.
D.
14.  The sum of the interior angles of a triangle is :
A.
B.
C.
D.
15.  In a series ac circuit that  contains only capacative reactance and resistance, the current :
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B.
C.
D.
E.
16.  An ampere is
A.
B.
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D.
E.
17.  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.
18.  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.
19.  With insulation resistance test equipment :
A.
B.
C.
D.
20.  Multi-meters can be routinely used to
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B.
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D.
E.
21.  What is the kVA rating of a 3 phase generator rated at 100kW with a .9 power factor?
A.
B.
C.
D.
22.  Properly adjusting to the null point of a transformer turns ratio test set :
A.
B.
C.
D.
E.
23.  What test equipment is used to test the RTD inputs of a motor protective relay?
A.
B.
C.
D.
E.
24.  To measure circuit resistance, first
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B.
C.
D.
25.  Insulation resistance tests sets usually include ___ test connection terminals.
A.
B.
C.
D.
26.  Insulation power factor test equipment
A.
B.
C.
D.
E.
27.  There are _____ degrees in one cycle of a sine wave.
A.
B.
C.
D.
E.
28.  What is the turns ratio of a 3 phase 500kVA, 13,200-277/480 volt rated transformer that is 80% loaded?
A.
B.
C.
D.
E.
2 comments
29.  Voltage in an electrical system:
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B.
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D.
E.
30.  Watt is a unit of:
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D.
E.
31.  Which instrument or test set is LEAST likely to be used during the testing of medium voltage cables
A.
B.
C.
D.
E.
32.  What side of the power triangle is the longest?
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B.
C.
D.
E.
33.  If a specified value is 120.00 , and the measured value is 124.56, the % error is:
A.
B.
C.
D.
34.  How would you use a VOM rated at 10 amperes maximum to measure a 100 amp load?
A.
B.
C.
D.
E.
35.  Winding resistance measurements are performed by using a :
A.
B.
C.
D.
36.  What is the total power consumed in the circuit?
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B.
C.
D.
E.
37.  The RMS value of a sinusoidal wave is equal to the peak value times:
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B.
C.
D.
E.
38.  Capacitance is measured in:
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B.
C.
D.
E.
39.  What is the total circuit resistance?
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C.
D.
40.  If the current lags the voltage by 90 degrees, it is purely a _____________ circuit.
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B.
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D.
E.
41.  Reactive power is measured in:
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B.
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D.
E.
42.  One giga unit is equal to:
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B.
C.
D.
E.
43.  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.
44.  The maximum voltage rating of a multi-meter used without a high voltage probe is typically
A.
B.
C.
D.
E.
45.  A 35 microfarad capacitor is connected to a 120 volt, 60 hz line. What is the value of Xc?
A.
B.
C.
D.
E.
2 comments
46.  On a 575 Delta system, what is the line to line voltage?
A.
B.
C.
D.
E.
47.  Kilo equals :
A.
B.
C.
D.
48.  Generally, high current test sets:
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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.  Power factor is calculated by:
A.
B.
C.
D.
E.
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