In which of the following do the measurements find their application?
i. Automatic control of processes &operations
ii. Engineering experimental analysis
iii. Monitoring of processes and operations
Induction Type Instruments can be employed for ________.
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The ratio of output change for a given measuring system is referred to as
That would be the sensitivity of an ammeter, which requires a change of 3A in its coil to produce a change in deflection of the pointer by 6 mm?
Which one of the following force is not needed for the satisfactory operation of any indicating (or measuring) instrument?
A spring controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100 V. If it draws a current of 0.5 mA, the meter reading is:
Deflection produced in Moving iron instruments is:
A standard cell of 1.0185 V is used with a slide wire potentiometer. The balance was obtained at 60 cm. When an unknown emf was connected, the balance was obtained at 82 cm. What is the magnitude of unknownemf?
The type of wattmeter commonly used for measurement of power in AC circuits is:
According to Blondel’s theorem, if a network is supplied using ‘n’ conductor’s the total power is ________ of the reading of n wattmeter’s so arranged that a current coil of each wattmeter is in each line and the corresponding pressure coil is connected between that line and a common point
The disc of domestic supply energy meter is made of which material?
In a single phase induction type energy meter, the deflecting torque is________the true power in the circuit.
The dead time of an instrument refers to _____.
The potentiometer wires should have _______:
The vertical gain control of CRO is set at a deflection factor of 5 V/cm. An unknown sinusoidal is applied to Y-input. A 20 cm long straight line trace is observed, what will the ac voltage be?
Which meter is suitable for the measurement of 10 mV at 50 MHz?
Which of the following is not suitable for the measurement of low resistances?
Which is the most suitable thermocouple transducer for the measurement of temperature in the range of 1300°C to 1500°C?
Capacitive transducers are normally used for: