1. The use of _____ instruments is merely confined within laboratories as standardizing instruments.
2. Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?
3. _____ instruments are those which measure the total quantity of electricity delivered in a particular time.
4. Which of the following are integrating instruments ?
5. Resistances can be measured with the help of ________.
6 According to application, instruments are classified as
7. Which of the following essential features is possessed by an indicating instrument ?
8. A _____ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly
9. The spring material used in a spring control device should have the following property.
10. Which of the following properties a damping oil must possess ?
11. A moving-coil permanent-magnet instrument can be used as _____ by using a low resistance shunt.
12. A moving-coil permanent-magnet instrument can be used as flux-meter
13. Which of the following devices may be used for extending the range of instruments ?
14. An induction meter can handle current upto _______.
15. For handling greater currents induction wattmeters are used in conjunction with
16. Induction type single phase energy meters measure electric energy in
17. Most common form of A.C. meters met with in every day domestic and industrial installations are
18. Which of the following meters are not used on D.C. circuits
19. Which of the following is an essential part of a motor meter ?
20. A potentiometer may be used for _______.
21 _______ is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another.
22. The household energy meter is ________.
23. The pointer of an indicating instrument should be _______.
24. The chemical effect of current is used in ______.
25. In majority of instruments damping is provided by
26. An ammeter is a ________.
27. In a portable instrument, the controlling torque is provided by
28. The disc of an instrument using eddy current damping should be of
29. The switch board instruments _______.
30. The function of shunt in an ammeter is to _______.
31. The multiplier and the meter coil in a voltmeter are in_______.
32. A moving iron instrument can be used for ________.
33. The scale of a rectifier instrument is _______.
34. For measuring current at high frequency we should use
35. The resistance in the circuit of the moving coil of a dynamometer wattmeter should be
36. A dynamometer wattmeter can be used for ________.
37. An induction wattmeter can be used for _______.
38. The pressure coil of a wattmeter should be connected on the supply side of the current coil when
39. In a low power factor wattmeter the pressure coil is connected
40. In a low power factor wattmeter the compensating coil is connected
41. In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was
42. In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be
43. The adjustment of position of shading bands, in an energy meter is done to provide
44. An ohmmeter is a ________.
45. 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
46. For measuring a very high resistance we should use ______.
47. The electrical power to a meggar is provided by ______.
48. In a meggar controlling torque is provided by _______.
49. The operating voltage of a meggar is about ________.
50. Murray loop test can be used for location of _______.
51. Which of the following devices should be used for accurate measurement of low D.C. voltage ?
52. It is required to measure the true open circuit e.m.f. of a battery. The best device is
53. A voltage of about 200 V can be measured _______.
54. A direct current can be measured by _____.
55. To measure a resistance with the help of a potentiometer it is
56. A phase shifting transformer is used in conjunction with
57. Basically a potentiometer is a device for ________.
58. In order to achieve high accuracy, the slide wire of a potentiometer should be
59. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken
60. The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a
61. In an AC. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be
62. A universal RLC bridge uses ________.
63. For measurements on high voltage capacitors, the suitable bridge is
64. In an Anderson bridge, the unknown inductance is measured in terms of
65. Wagner earthing device is used to eliminate errors due to
66. For measurement of mutual inductance we can use
67. For measurement of inductance having high value, we should use
68. If the current in a capacitor leads the voltage by 80°, the loss angle of the capacitor is
69. In a Schering bridge the potential of the detector above earth potential is
70. To avoid the effect of stray magnetic field in A.C. bridges we can use
71. If an inductance is connected in one arm of bridge and resistances in the remaining three arms
72. A power factor meter has _______.
73. The two pressure coils of a single phase power factor meter have
74. In a single phase power factor meter the phase difference between the currents in the two pressure coils is
75. In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at
76. In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of
77. In a Weston frequency meter, the magnetic axes of the two fixed coils are
78. A Weston frequency meter is _______.
79. A Weston synchronoscope is a ______.
80. In a Weston synchronoscope, the fixed coils are connected across
81. In Weston synchronoscope the moving coil is connected across
82. The power factor of a single phase load can be calculated if the instruments available are
83. The desirable static characteristics of a measuring system are
84. The ratio of maximum displacement deviation to full scale deviation of the instrument is called
85. Systematic errors are _______.
86. Standard resistor is made from ______.
87. Commonly used standard capacitor is ______.
88. Operating torques in analogue instruments are ______.
89. Commonly used instruments in power system measurement are
90. Damping of the Ballistic galvanometer is made small to
91. If an instrument has cramped scale for larger values, then it follows
92. Volt box is a component to _____.
93. E.m.f. of a Weston cell is accurately measured by
94. The gravity controlled instrument has crowded scale because current is proportional to
95. A sensitive galvanometer produces large deflection for a
96. A multirang instrument has _______.
97. The rectifier instrument is not free from _____.
98. Alternating current is measured by ______.
99. Most sensitive galvanometer is _______.
100. Instrument transformers are _____.
2. Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?
3. _____ instruments are those which measure the total quantity of electricity delivered in a particular time.
4. Which of the following are integrating instruments ?
5. Resistances can be measured with the help of ________.
6 According to application, instruments are classified as
7. Which of the following essential features is possessed by an indicating instrument ?
8. A _____ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly
9. The spring material used in a spring control device should have the following property.
10. Which of the following properties a damping oil must possess ?
11. A moving-coil permanent-magnet instrument can be used as _____ by using a low resistance shunt.
12. A moving-coil permanent-magnet instrument can be used as flux-meter
13. Which of the following devices may be used for extending the range of instruments ?
14. An induction meter can handle current upto _______.
15. For handling greater currents induction wattmeters are used in conjunction with
16. Induction type single phase energy meters measure electric energy in
17. Most common form of A.C. meters met with in every day domestic and industrial installations are
18. Which of the following meters are not used on D.C. circuits
19. Which of the following is an essential part of a motor meter ?
20. A potentiometer may be used for _______.
21 _______ is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another.
22. The household energy meter is ________.
23. The pointer of an indicating instrument should be _______.
24. The chemical effect of current is used in ______.
25. In majority of instruments damping is provided by
26. An ammeter is a ________.
27. In a portable instrument, the controlling torque is provided by
28. The disc of an instrument using eddy current damping should be of
29. The switch board instruments _______.
30. The function of shunt in an ammeter is to _______.
31. The multiplier and the meter coil in a voltmeter are in_______.
32. A moving iron instrument can be used for ________.
33. The scale of a rectifier instrument is _______.
34. For measuring current at high frequency we should use
35. The resistance in the circuit of the moving coil of a dynamometer wattmeter should be
36. A dynamometer wattmeter can be used for ________.
37. An induction wattmeter can be used for _______.
38. The pressure coil of a wattmeter should be connected on the supply side of the current coil when
39. In a low power factor wattmeter the pressure coil is connected
40. In a low power factor wattmeter the compensating coil is connected
41. In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was
42. In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be
43. The adjustment of position of shading bands, in an energy meter is done to provide
44. An ohmmeter is a ________.
45. 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
46. For measuring a very high resistance we should use ______.
47. The electrical power to a meggar is provided by ______.
48. In a meggar controlling torque is provided by _______.
49. The operating voltage of a meggar is about ________.
50. Murray loop test can be used for location of _______.
51. Which of the following devices should be used for accurate measurement of low D.C. voltage ?
52. It is required to measure the true open circuit e.m.f. of a battery. The best device is
53. A voltage of about 200 V can be measured _______.
54. A direct current can be measured by _____.
55. To measure a resistance with the help of a potentiometer it is
56. A phase shifting transformer is used in conjunction with
57. Basically a potentiometer is a device for ________.
58. In order to achieve high accuracy, the slide wire of a potentiometer should be
59. To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken
60. The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a
61. In an AC. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be
62. A universal RLC bridge uses ________.
63. For measurements on high voltage capacitors, the suitable bridge is
64. In an Anderson bridge, the unknown inductance is measured in terms of
65. Wagner earthing device is used to eliminate errors due to
66. For measurement of mutual inductance we can use
67. For measurement of inductance having high value, we should use
68. If the current in a capacitor leads the voltage by 80°, the loss angle of the capacitor is
69. In a Schering bridge the potential of the detector above earth potential is
70. To avoid the effect of stray magnetic field in A.C. bridges we can use
71. If an inductance is connected in one arm of bridge and resistances in the remaining three arms
72. A power factor meter has _______.
73. The two pressure coils of a single phase power factor meter have
74. In a single phase power factor meter the phase difference between the currents in the two pressure coils is
75. In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at
76. In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of
77. In a Weston frequency meter, the magnetic axes of the two fixed coils are
78. A Weston frequency meter is _______.
79. A Weston synchronoscope is a ______.
80. In a Weston synchronoscope, the fixed coils are connected across
81. In Weston synchronoscope the moving coil is connected across
82. The power factor of a single phase load can be calculated if the instruments available are
83. The desirable static characteristics of a measuring system are
84. The ratio of maximum displacement deviation to full scale deviation of the instrument is called
85. Systematic errors are _______.
86. Standard resistor is made from ______.
87. Commonly used standard capacitor is ______.
88. Operating torques in analogue instruments are ______.
89. Commonly used instruments in power system measurement are
90. Damping of the Ballistic galvanometer is made small to
91. If an instrument has cramped scale for larger values, then it follows
92. Volt box is a component to _____.
93. E.m.f. of a Weston cell is accurately measured by
94. The gravity controlled instrument has crowded scale because current is proportional to
95. A sensitive galvanometer produces large deflection for a
96. A multirang instrument has _______.
97. The rectifier instrument is not free from _____.
98. Alternating current is measured by ______.
99. Most sensitive galvanometer is _______.
100. Instrument transformers are _____.
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