Assessment Test


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1. What formula is used to determine power?.

 
 
 
 

2. Which among the following is the customary course of action for diesel starting battery to trickle charge the battery?.

 
 
 
 

3. Which of the following identifies a capable or grounded switch?.

 
 
 
 

4. Which among the following is the purpose of proper way of applying plastic electrical tape to an electrical cable splice?.

 
 
 
 

5. Which among the following instrument should be used to be able to measure the temperature of battery electrolyte?.

 
 
 
 

6. Which from the listed groups of electrical insulation below is best suited for the highest operating temperature?.

 
 
 
 

7. Which is the permissible resistance value of an electric motor?.

 
 
 
 

8. What is depressed by the stop button if a contact of a motor starter or controller failed to drop out?.

 
 
 
 

9. What condition will be indicated if all three ground detection lamps remain to burn at half intensity when the test button is depressed on a switchboard'?.

 
 
 
 

10. How does DC ammeter always connect?

 
 
 
 

11. What transformer uses a single winding with one or more connections (taps) made to it at some pointls between the ends of the winding?

 
 
 
 

12. A common type of protective covering used on electrical conductors is __________.

 
 
 
 

13. A constant output voltage from an AC generator is maintained by the __________.

 
 
 
 

14. AC circuits develop resistance, inductance, and capacitance. The inductive reactance of a circuit is expressed in __________.

 
 
 
 

15. A device with a graduated instrument for monitoring acid contents of batteries is called __________.

 
 
 
 

16. Regarding battery charging rooms, ventilation should be provided __________.

 
 
 
 

17. If you want to measure unknown resistance with the use of ohmmeter, you should __________.

 
 
 
 

18. A synchronous motor maintains synchronicity with the rotating field because __________.

 
 
 
 

19. When testing a grounded switch or cable using megohmmeter, the megohmmeter indicator reading will be __________.

 
 
 
 

20. Alternating current circuits develop resistance, inductance and capacitance. The inductance of a coil is expressed in __________.

 
 
 
 

21. Alternating current circuits develop resistance, inductance, and capacitance. The capacitance of individual capacitors is expressed in __________.

 
 
 
 

22. How many degrees apart had the phase voltage in a three-phase circuit?

 
 
 
 

23. An induction-type motor with a cage rotor, the current required at standstill to produce starting torque is about __________.

 
 
 
 

24. An insulation resistance test is performed on a particular piece of electric equipment. In addition to the resistance reading, what information listed below should be entered in the electrical log?

 
 
 
 

25. An ohmmeter is commonly used to measure __________.

 
 
 
 

26. Power transformers are rated in __________.

 
 
 
 

27. How many neutrons does copper atom have?

 
 
 

28. What do you call the bonding of an atom due to the force of attraction between positive ions and a group of negative ions?

 
 

29. An alloy of 22 percent iron and 78 percent nickel is called_________.

 
 

30. An alloy of 40 percent iron and 60 percent nickel is called _________.

 
 
 

31. What is the commercial alloy of aluminium, nickel, and iron with cobalt, copper and titanium added to produce about 12 grades?

 
 

32. The idea of preventing one component from affecting another through their common electric and magnetic field is referred to as ___________.

 
 

33. The physical motion resulting from the forces of magnetic field is called _______.

 
 

34. Flux linkages equals ___________.

 
 

35. Which of the following is a vector quantity?

 
 

36. Which of the following electric quantities is vector in character?

 
 

37. The quantity of 10^8 Maxwell’s is equivalent to a ______

 
 

38. What is the unit of reluctance?

 
 
 

39. What is the SI unit of magnetic flux?

 
 

40. What is the cgs unit of magneto motive force?

 
 

41. Flux density is measured in ____________.

 
 

42. The customary energy unit in automatic and nuclear physics is ___________.

 
 

43. One ampere turn is equivalent to how many Gilberts?

 
 

44. How many Maxwell are there in a magnetic flux having 2000 lines?

 
 

45. One oersted (Oe) is equivalent to ___________.

 
 

46. A magnetic field can be described by which of the following terms?

 
 

47. Which of the following statements best describe an electromagnet?

 
 

48. A coil of wire wound around a core is called __________.

 
 

49. What will happen if two permanent bar magnets are brought close to each other?

 
 

50. The quantity of lines of force per unit of area is known as _________.

 
 

51. Magnetic lines of force are said to _____________.

 
 

52. If a conductor is moved through a magnetic field_____________.

 
 

53. The strength of an electromagnet depends upon _________.

 
 

54. The voltage produced by a magnetic field cutting a conductor is _________.

 
 

55. What is the unit of measurement for Flux density?

 
 
 

56. The polarity of an induced voltage depends on ___________.

 
 

57. The magnetic term equivalent to voltage in a circuits is called __________.

 
 

58. As resistors are added in parallel to a circuit____________.

 
 

59. If a resistor in parallel opens, the total current will ________.

 
 

60. The total power in a parallel circuit is ________.

 
 

61. Six hundred eighty (680) mA flows into four parallel resistor and the currents through three of the resistor are 95 mA, 400 mA, 19 mA. What is the current through the fourth resistor?

 
 

62. Two resistors are connected in parallel. Find the value of R2, if R1 = 470Ω and RT = 330Ω?

 
 

63. Find the total supply voltage of three batteries connected in series with potentials of 1.2V, 5V and 6V, but the 1.2V battery is opposing the other two?

 
 

64. Which of the following reasons is correct why we megger periodically an electrically driven capstan on board tanker vessels?.

 
 
 
 

65. What device restores the power even if the electric motor had tripped-off during black ut, still it will start again without pressing the start button?.

 
 
 
 

66. Why it is not recommended to change or anew a burned out indicating lamp on the control console during maneuvering,.

 
 
 
 

67. Under USCG Regulation 46 CFR, what is the primary consideration which requires automatic shut down of an emergency generator?.

 
 
 
 

68. What indicates a signal return to initiating point in a control circuit?.

 
 
 
 

69. What electric motor is overloaded that eventually illuminates an indicating light at the Engine Control Room alarm panel?.

 
 
 
 

70. What is the difference between the position of the wheel and that of the rudder when the vessel's steering wheel is turned?.

 
 
 
 

71. Which of the following is the function of the response in 'a pneumatic proportional action controller?.

 
 
 
 

72. What supplies the power that is necessary to strike a diaphragm control valve as used in a pneumatic control system?.

 
 
 
 

73. Which condition will Be indicated if all thee ground detection lamps remain burning at half intensity when the test button is depressed on a switchboard?.

 
 
 
 

74. A DC ammeter always connects ____________.

 
 
 
 

75. Which of the following container does the element metal in cartilage type fuse?.

 
 
 
 

76. Which of the listed conditions will be indicated if all three ground detection lamps remain on burning at half intensity when the test button is depressed on a switchboard?.

 
 
 
 

77. A grounded switch or capable can be identified by.

 
 
 
 

78. Among the following, which is the purpose of the proper way to apply plastic electrical tape to an electric cable splice?.

 
 
 
 

79. What adjustable resistor can be changed without opening the circuit where it is connected?.

 
 
 
 

80. Which will happen if the feeler is moved over a slot containing the shorted coil if a testing device called a growler is being used to locale a shorted coil in the stator of an AC electrical machine?.

 
 
 
 

81. From the listed groups below of electrical insulation, what is the best suited for the 'highest operating temperature?.

 
 
 
 

82. What is the customary course of action for maintaining the charge in an emergency diesel starting battery to trickle charge the battery?.

 
 
 
 

83. What will happen to the freezing point of the electrolyte in a fully-charged lead-acid battery?.

 
 
 
 

84. Which of the following

 
 
 
 

85. The minimum permissible resistance value of an electric motor.

 
 
 
 

86. What does the megohmmeter used to test for?.

 
 
 
 

87. When checking the stipulator of the capacitor with an ohmmeter, what condition is an indication of a short circuited capacitor?.

 
 
 
 

88. Which among the following should be added to be able to produce a proper way of mixing the electrolyte for a battery?.

 
 
 
 

89. When.the in-service electric motor malfunctions, what position should be in place if the select button in the starter panels of both electric motors in order that the standby electric motor will automatically start?

 
 
 
 

90. What does it indicates regarding condition of the diode when finding a low resistance in both forward and reverse bias direction upon using an ohmmeter to test semiconductor diode?.

 
 
 
 

91. What arrangement should bo done in order to avoid the steer clear of damage in pulling out a defective PC board connector inside the croup starter panel circuit board?.

 
 
 
 

92. What adjustable resistor can change its resistance without opening the circuit where it is connected?.

 
 
 
 

93. What should be in place if the select button ill the starter panels of both electric motors is in order that the standby electronic motor will automatically start when the in-service electric motor malfunctions?.

 
 
 
 

94. The purpose of proper way of applying plastic electrical tape to an electric cable splice is to.

 
 
 
 

95. Which condition will be indicated if all three ground detection lamps remain to burn at half intensity the test button is depressed on a switchboard'?.

 
 
 
 

96. Which of these conditions i s an indication of a short circuited capacitor when checking the stipulator of the capacitor with an ohmmeter?.

 
 
 
 

97. Which container does the element metal in cartilage type fuse?.

 
 
 
 

98. If the pointer on the rnegger fails to return to zero when not being used, what will then be ti ie result?.

 
 
 
 

99. The brushes in the generator are positioned in a neutral plane to avoid sparking between the brushes and the.

 
 
 
 

100. Which of the following is the principle purpose of discharges stored that are located on hand-drive meggers?.

 
 
 
 


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