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3082 S&T Quiz September 2023

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

LVDT is an example of

a)

Inductive transducer

b)

Resistive transducer

c)

Capacitive transducer

d)

Active transducer

2.

capacitive transducer for level measurement works on the principle

a)

variable distance

b)

variable dielectric

c)

variable area

d)

variable resistance

3.

Expansion of LVDT is

a)
Linear Variable Differential Transformer
b)
Linear Variable Direct Transformer
c)

Linear Variable Displacement Transformer

d)

Linear Variable Displacement Transducer

4.

when the distance between the plates increases, the capacitance

a)
Increases
b)
Decreases
c)
Remains the same
d)
Becomes infinite
5.

As the overlapping area increases, capacitance

a)
Decreases
b)
Remains the same
c)
Increases
d)
Is not affected
6.

Expansion of RTD

a)

Real Temperature Detector

b)
Resistive Temperature Detector
c)

Resistance transducer Detector

d)

Resistance Temperature Device

7.

Piezoelectric effect means

a)
The generation of heat in a material when subjected to a magnetic field
b)
The generation of an electric charge in response to applied mechanical stress
c)
The generation of light in a material when subjected to a magnetic field
d)
The generation of sound in a material when subjected to an electric field
8.

In pressure measurement using LVDT, (a)   is used with LVDT

9.

Expansion of LDR

a)

Light dependent Remote

b)
Light Dependent Resistor
c)

Light data resistor

d)

Light dependent rest

10.

LDR converts ............................... to change in resistance

a)
Light intensity
b)
Temperature
c)

Displacement

d)

Pressure

11.

Strain gauge converts ..................... to change in resistance

a)
Temperature change
b)
Pressure change
c)
Mechanical deformation
d)
Voltage change
12.

This is the image of ........................

a)

LVDT

b)

RTD

c)

Thermistor

d)

LDR

13.

The secondary coils in LVDT are connected in ..........................

a)

series

b)

parallel

c)

can be connected in series or parallel

d)

series opposition

14.

This is the image of

a)

RTD

b)

Thermistor

c)

Potentiometer

d)

LDR

15.

This converts ...................... to change in resistance

a)

force

b)

displacement

c)

light intensity

d)

pressure

16.

Tick the active transducers

a)

LVDT

b)

Piezoelectric

c)

thermocouple

d)

thermistor

17.

L= N2/R is the equation of

a)

mutual inductance

b)

capacitance

c)

self inductance

d)

None of these

18.

LDR is a passive transducer.

a)

True

b)

False

19.

This is the image of

a)

RTD

b)

Thermistor

c)

Strain gauge

d)

LVDT

20.

Eddy currents are

a)
Produced by the relative motion of a conductor within a magnetic field
b)
Produced by the relative motion of a conductor within an electric field
c)
Produced by the relative motion of a magnetic field within a conductor
d)
Produced by the relative motion of an electric field within a conductor