Measurement and Instrumentation MCQs Quiz Multiple Choice Questions & Answers Page 2

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Measurement and Instrumentation Questions with Answers

51. The household energy meter is

52. The multiplier and the meter coil in a voltmeter are in

53. The operating voltage of a meggar is about

54. The pointer of an indicating instrument should be

55. The power factor of a single phase load can be calculated if the instruments available are

56. The power of a n-phase circuit can be measured by using a minimum of

57. The pressure coil of a wattmeter should be connected on the supply side of the current coil when

58. The principle on which vector voltmeter is based is

59. The ratio of maximum displacement deviation to full scale deviation of the instrument is called

60. The rectifier instrument is not free from

61. The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

62. The scale of a rectifier instrument is

63. The spring material used in a spring control device should have the following property.

64. The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a

65. The switch board instruments

66. The two pressure coils of a single phase power factor meter have

67. The use of...............instruments is merely confined within laboratories as stand¬ardizing instruments

68. To avoid the effect of stray magnetic field in A.C. bridges we can use

69. To measure a resistance with the help of a potentiometer it is

70. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supplyfor the potentiometer in taken

71. To measure radio frequency, the suitable frequency meter is

72. Two holes in the disc of energymeter are drilled at the opposite sides of the spindle to

73. Various adjustments in an energy meter include

74. Volt box is a component to

75. Wagner earthing device is used to eliminate errors due to

76. Wattmeter cannot be designed on the principle of

77. When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is

78. Which of the following are integrating instruments ?

79. Which of the following devices may be used for extending the range of instruments ?

80. Which of the following devices should be used for accurate measurement of low D.C. voltage ?

81. Which of the following essential features is possessed by an indicating instrument ?

82. Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?

83. Which of the following is an essential part of a motor meter ?

84. Which of the following is measured by using a vector voltmeter ?

85. Which of the following meters are not used on D.C. circuits

86. Which of the following properties a damping oil must possess ?

87. .............instruments are those which measure the total quantity of electricity delivered in a particular time.

88. A direct current can be measured by

89. A dynamometer wattmeter can be used for

90. A moving iron instrument can be used for

91. A moving-coil permanent-magnet instrument can be used as flux-meter

92. A moving-coil permanent-magnet instrument can be used using a low resistance shunt.

93. A multirangq instrument has

94. A phase shifting transformer is used in conjunction with

95. A potentiometer may be used for

96. A power factor meter has

97. A sensitive galvanometer produces large deflection for a

98. A universal RLC bridge uses

99. A voltage of about 200 V can be measured

100. A Weston frequency meter is


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