Q. Which is the displacement transducer with excellent sensitivity, linearity and resolution?

View solution

Q. If low pressure of 10¯⁶ mm of Hg is required to be measured, we should use

View solution

Q. A transducer must have

View solution

Q. If two time varying signals of equal magnitude and zero phase displacement are applied to X and Y plates respectively; of CRO, the display will be

View solution

Q. Wagner earthing device is used to eliminate error due to

View solution

Q. RTD is generally suitable for temperature up to

View solution

Q. To measure an emf by dc potentiometer it is necessary to standardise the potentiometer with the help of a standard cell.

View solution

Q. Which of the following transformers has low primary current?

View solution

Q. The phenomenon of creep occurs in

View solution

Q. A D' Arsonval galvanometer is a

View solution

Q. Schering bridge is used to measure

View solution

Q. Gauge factor of a strain gauge is

View solution

Q. Assertion (A): Capacitance effect can be used to measure thickness of sheets, displacement and pressure.

Reason (R): Capacitance between two plates depends on the area of plates, distance between plates and permittivity of medium.

View solution

Q. The total insulation resistance consists of insulation volume resistance and surface leakage resistance.

View solution

Q. Assertion (A): Energy meters use induction principle.

Reason (R): Induction wattmeter is less accurate than a dynamometer wattmeter.

View solution

Q. A dynamometer wattmeter can be used for

View solution

Q. The operating voltage of a megger is about

View solution

Q. An ohmmeter is a

View solution

Q. Loading effect is primarily caused by instruments having

View solution

Q. Capacitive transducer is superior to inductive type for measurement of capacitance because of

View solution