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Unit-III Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the main function of a strain gauge?

a)

Control magnetic fields

b)

Generate electricity

c)

Measure force, strain, pressure, displacement, acceleration

d)

Measure temperature

2.

Which type of load cell is commonly used in applications such as vessel/tank weighing and floor scales?

a)

Single Point (binocular) load cell

b)

Beam load cell

c)

Canister load cell

d)

Pancake load cell

3.

How do strain-gage load cells convert the load acting on them into electrical signals?

a)

By generating magnetic fields

b)

By measuring changes in air pressure

c)

By using hydraulic fluid

d)

By bonding strain gauges onto a beam or structural member that deforms when weight is applied

4.

Which type of load cell is specifically designed for measuring tension forces along a straight line?

a)

Tension Link load cell

b)

S-type load cell

c)

Thru-Hole Load Cell

d)

Load pin load cell

5.

What is the gauge factor of a Constantan or advance strain gauge?

a)

2

b)

2.1

c)

3.5

d)

4

6.

What is the constant of proportionality in the equation ΔR/R = G ε?

a)

ε

b)

R

c)

ΔR

d)

G

7.

What is the main advantage of foil type strain gauges over wire wound strain gauges?

a)

Higher resistance

b)

Greater heat dissipation capacity

c)

Easier installation

d)

Lower cost

8.

Which type of load cell is commonly used in car manufacturing to measure durability and determine product failure limits?

a)

S-type load cell

b)

Tension Link load cell

c)

Canister load cell

d)

Pancake load cell

9.

What do magnetic sensors convert into an electrical signal?

a)

Temperature

b)

Magnetic field

c)

Sound

d)

Light

10.

What are magnetic sensors used to detect?

a)

Volume

b)

Pressure

c)

Distance

d)

Color

11.

Which type of sensors use an internal magnet to detect electromagnetic fields directly?

a)

Magnetic field type sensors

b)

Reed switches

c)

Optical fibers

d)

Hall switches

12.

What is the working principle of magnetic sensors based on?

a)

Temperature

b)

Pressure

c)

Magnetic field

d)

Light intensity

13.

What is the most common type of magnetoresistive sensor?

a)

Speed and Direction Magnetic Sensors

b)

Tunnel Magnetoresistive (TMR) Sensors

c)

Anisotropic Magnetoresistive (AMR) Sensors

d)

Giant Magnetoresistive (GMR) Sensors

14.

What is the Hall Effect used for?

a)

Measuring temperature

b)

Measuring magnetic field

c)

Measuring pressure

d)

Measuring light intensity

15.

What type of output do digital output Hall Effect sensors provide?

a)

Analog

b)

High

c)

Low

d)

Digital