Test and Measurements

41. Moving-iron instrument has what scale?

1. Uniform
2. Logarithmic
3. Squared
4. Exponential

View answer

42. Multimeter typically provides measurements of __________ values (for a sinusoidal waveform).

1. peak
2. rms
3. average
4. instantaneous

View answer

43. On a simple ohmmeter, the 0 Ω mark is located __________ of the scale.

1. at far left
2. at half of full
3. at ending
4. any part

View answer

44. One of the basic functions of electronic circuit is

1. the generation and manipulation of electronic waveshapes
2. the creation of a signal
3. the transmission of electrical signal
4. the reception of electric signal

View answer

45. Permanent- magnet moving coil instrument can be used in

1. ac work only
2. both dc and ac work
3. dc work only
4. neither dc nor ac works

View answer

46. Sensitivity of a voltmeter is expressed in

1. Ω/ V
2. Ω/A
3. V/ n
4. V/A

View answer

47. Shunts are generally made of what material?

1. Constantan
2. Silver
3. Aluminum
4. Manganin

View answer

48. Tank circuit frequency can be measured by __________.

1. Voltmeter
2. Signal generator
3. Grid-dip meter
4. Absorption meter

View answer

49. The frequency of rotation in some rotating machinery can be measured by a

1. VTVM
2. Tachometer
3. Spectral meter
4. Stroboscope

View answer

50. The interval of a pulse from start to end is the __________ of the pulse

1. period
2. width
3. position
4. duty cycle

View answer