Quiz Questions - February

Question 1 1 Marks

Which bearing is supporting the shaft of moving coil assembly in a PMMC instrument?

A

Steel bearings

B

Bush bearings

C

Jewelled bearings

D

Gun metal bearings

Question 2 1 Marks

What is the full form of the abbreviation PMMC meter?

A

Parallel Magnet Moving Coil meter

B

Position Magnet Moving Coil meter

C

Principle Magnet Moving Coil meter

D

Permanent Magnet Moving Coil meter

Question 3 1 Marks

Which electrode controls brightness of the image on the screen of oscilloscope?

A

Anode

B

Cathode

C

Control grid

D

Focussing electrode

Question 4 1 Marks

Which parameter is measured by a multimeter?

A

Voltage

B

Energy

C

Frequency

D

Time duration

Question 5 1 Marks

Which torque is used in PMMC meter movement?

A

Low torque

B

High torque

C

Moderate torque

D

Insufficient torque

Question 6 1 Marks

Find the value of shunt resistance required for 1 mA meter to extend the range and measure 10 mA (RM = 27 Ohm) ?

A

1 Ohm

B

2 Ohms

C

3 Ohms

D

4 Ohms

Question 7 1 Marks

In which arrangement the high value of resistor is connected to extend the range of voltmeter?

A

Star

B

Delta

C

Series

D

Parallel

Question 8 1 Marks

In which analog meter the battery is provided?

A

Ammeter

B

Voltmeter

C

Ohm meter

D

Watt meter

Question 9 1 Marks

Which meter uses a moving coil for measurement?

A

LCR meter

B

PMMC meter

C

MI repulsion type

D

MI attraction type

Question 10 1 Marks

Which parameter is used in the working of moving coil meter?

A

Spring control

B

Stray magnetic fields

C

Eddy current damping

D

Permanent magnetic fields

Question 11 1 Marks

Which meter movement is not affected by stray magnetic fields?

A

PMMC meter

B

Thermo couple meter

C

MI meter - attraction type

D

MI meter - Repulsion type

Question 12 1 Marks

Which characteristics enable the deflection of pointer in the attraction type moving iron meter?

A

Weight of the soft iron pieces

B

Deflection is inversely proportional to current

C

Deflection is independent of current direction

D

Deflecting and controlling torques are