Q.1
A moving iron instrument can be used for
  • DC only
  • AC only
  • Both AC and DC
  • None of the above
Q.2
The advantages of moving coil permanent magnet type instrument are
  • Low power consumption
  • No hysteresis loss
  • Efficient eddy current damping
  • All of the above
Q.3
The deflecting torque in an instrument may be produced
  • Magnetically
  • Electrostatically
  • Thermally
  • Any of the above
Q.4
An ammeter
  • Is inserted in series in a circuit and current to be measured flows through it
  • Is inserted in series in a circuit and part of the current to be measured flows through it
  • Is connected in parallel in a circuit and current to be measured flows through it
  • Is connected in parallel in a circuit and only part of the current to the measured flows through it.
Q.5
A pointer of an instrument once deflected returns to zero position, when the current is removed due to
  • Mass of the pointer
  • Action of gravity
  • Controlling Torque
  • Damping Torques
Q.6
An instrument in which the value of ethnical quantity to be measured can be determined from the deflection of the instrument when it has been precalibrated by comparison with an absolute instrument
  • Absolute instrument
  • Secondary instrument
  • Recording instrument
  • Integrating instrument
Q.7
Wattmeter is used to measure which of the following:
  • DC Power only
  • Both AC Power and DC Power
  • AC Power only
  • None of these
Q.8
In a Circuit, Ammeter should be always connected in ____ arrangement
  • Series
  • Parallel
  • Either in Series or in Parallel
  • Can be connected in booth
Q.9
An even signal is that type of signal which exhibits :
  • Symmetry in the time domain
  • Anti-symmetry in the time domain
  • Both option 1 & 2
  • None of these
Q.10
Which function is also known as Dirac-delta function?
  • Unit step function
  • Unit impulse function
  • Ramp function
  • Both option 1 & 2
Q.11
Which system is also known as memoryless system?
  • Dynamic system
  • Invertible system
  • Non causal system
  • Static system
Q.12
What is the energy of power signal?
  • Infinite
  • Zero
  • One
  • Both option 2 & 3
Q.13
A continuous signal gives value
  • At fixed interval of time.
  • At any interval of time
  • Both option 1 & 2
  • None of these
Q.14
Which signal has zero frequency?
  • AC signal
  • DC signal
  • Impulse signal
  • Both DC & Impulse signal
Q.15
Choose the true statement below concerning DC currents:
  • DC stands for Direct Computing and electrons flow in multiple pathways
  • DC stands for direct current and electrons flow in multiple directions
  • DC stands for direct current and the electrons do not flow
  • DC stands for direct current and the electrons flow in only one direction
Q.16
In a _________circuit current can flow freely.
  • Closed
  • Open
  • Simple
  • Complex
Q.17
What does DMM stand for ?
  • Distance Measured Monthly
  • Digital Multiplication and Math
  • Digital Multimeter
  • Do Mechanical Maintenance
Q.18
When loads are connected in a ___ circuit their individual resistance all add together
  • Parallel
  • Open
  • Closed
  • Series
Q.19
For something to move it requires a __________greater than the other acting on it.
  • Force
  • Resistance
  • Voltage
  • Current
Q.20
The type of current where charges flow in one direction
  • Direct Current
  • Alternating Current
  • Electron Flow
  • Voltage
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