TasDia Network
TasDia Network

MCQs 1: The example of low resistance is / are

Resistance of armature windings of electrical machine Resistance of series field winding of a dc machine Resistances of shunts and lead wires All of these
Answer Explanation

MCQs 2: AC bridges are used for the measurement of

Resistances Resistances and Inductances Inductances and capacitances Resistances, inductances and capacitances
Answer Explanation

MCQs 3: The commonly used detector(s) in AC bridges is / are

Head phones Vibration galvanometers Tuned amplifiers, head phones Head phones, tuned amplifiers, vibration galvanometers
Answer Explanation

MCQs 4: The vibration galvanometers are sensitive to power for frequency range of

200 Hz and below 200 Hz to about 4 kHz 4 kHz and above Any frequency
Answer Explanation

MCQs 5: In case of DC supply and AC supply, the torque produced is

Directly proportional to power, inversely power to power Directly proportional to power, directly proportional to power Inversely proportional to power, inversely proportional to power Inversely proportional to power, directly proportional to power
Answer Explanation

MCQs 6: The scale of dynamometer wattmeter is

Approximately uniform Cramped at the middle Cramped at the end points Crowded in the first half
Answer Explanation

MCQs 7: In standard wattmeters, the error caused by the voltage coil is overcome by

Connecting a high inductive resistance in series to the voltage coil Connecting a high inductive resistance in parallel to the voltage coil Connecting a compensating winding in series to the voltage coil Connecting a compensating winding in parallel to the voltage coil
Answer Explanation

MCQs 8: In a dynamometer type wattmeter, the pressure coil connected across the load terminal is

Highly inductive Highly capacitive Highly resistive Non inductive
Answer Explanation

MCQs 9: The instrument which works only with DC is

Electrolytic motor Mercury motor Induction motor Both (a) and (b) None of these
Answer Explanation

MCQs 10: The electrolytic energy meters are essentially

A true watt - hour meter An ampere hour meter Either watt - hour or ampere hour meter Neither watt - hour nor ampere hour meter
Answer Explanation

MCQs 11: CRO gives the visual representation of time varying signals. The display of the signal is

One dimensional Two dimensional Three dimensional Four dimensional
Answer Explanation

MCQs 12: Principally CRO is a

Ammeter Voltmeter Wattmeter Watt - hour meter
Answer Explanation

MCQs 13: The sweep generator of a CRO is used to produce

Sinusoidal voltage for the horizontal deflection of electron beam Saw tooth voltage for the vertical deflection of electron beam Sinusoidal voltage for the vertical deflection of electron beam Saw tooth voltage for the horizontal deflection of electron beam
Answer Explanation

MCQs 14: The rate at which fluid flows through a closed pipe can be determined by

Determining the mass flow rate Determining the volume flow rate Either (a) or (b) None of these
Answer Explanation

MCQs 15: Conveyor - based method is used for the measurement of the flow of

Solids Liquid Gas All of these
Answer Explanation

MCQs 16: For the measurement of flow rate of liquid, the method used is

Conveyor - based methods Bourdon tube Coriolis method Thermal mass flow measurement
Answer Explanation

MCQs 17: The devices used for flow obstruction is / are

Orifice plate Venturi tube Flow nozzle and dall flow tube All of these
Answer Explanation

MCQs 18: To increase the current sensitivity below 10 mV, electronic instrument uses

Amplifiers Modulator Transducer Oscillator
Answer Explanation

MCQs 19: Electronic voltmeters can be designed to measure

Only very small voltages Only very high voltages Both very small and very high voltages None of these
Answer Explanation

MCQs 20: An RMS reading voltmeter can accurately measure voltages of

Sine waveforms Square waveforms Saw tooth waveforms All of these None of these
Answer Explanation

Related Topics

About Us | Contact Us | Privacy Policy
ABOUT US
Category
Who We Are

TasDia Network, this platform not only provides you the best educational stuff but besides this, we are creating thousands of new ideas to making your signature and planning much more on a single platform.

© 2020-2023, TasDia Network

All rights of the publication are reserved by tasdia.com.