Unit-III Quiz

What is the main function of a strain gauge?

• Control magnetic fields

• Generate electricity

• Measure force, strain, pressure, displacement, acceleration

• Measure temperature

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

• Single Point (binocular) load cell

• Beam load cell

• Canister load cell

• Pancake load cell

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

• By generating magnetic fields

• By measuring changes in air pressure

• By using hydraulic fluid

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

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

• Tension Link load cell

• S-type load cell

• Thru-Hole Load Cell

• Load pin load cell

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

• 2

• 2.1

• 3.5

• 4

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

• ε

• R

• ΔR

• G

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

• Higher resistance

• Greater heat dissipation capacity

• Easier installation

• Lower cost

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

• S-type load cell

• Tension Link load cell

• Canister load cell

• Pancake load cell

What do magnetic sensors convert into an electrical signal?

• Temperature

• Magnetic field

• Sound

• Light

What are magnetic sensors used to detect?

• Volume

• Pressure

• Distance

• Color