MMM-Strain Measurement-Quizz

Strain gauge measurement involves __________

• Wheatstone bridge
• Kelvin bridge
• De Sauty’s bridge
• Anderson bridge

Load cell is used for the measurement of _______

• Area
• Force
• Mass
• Length

Strain is a _______

• fractional change in volume
• fractional change in area
• fractional change in length
• fractional change in height

Semiconductor strain gauge uses _______

• rectifier circuitry
• power electronics circuitry
• ordinary bridge circuit
• bridge circuit with temperature compensation

A semiconductor strain gauge consists of how many dummy gauges?

• 2
• 4
• 6
• 8

Metals in strain gauge construction have _______

• non-linear temperature coefficient
• linear temperature coefficient
• tangential temperature coefficient
• exponential temperature coefficient

A Wheatstone bridge has _______

• low sensitivity
• zero sensitivity
• high sensitivity
• infiniye sensitivity

Load cell is sensitive to minute strains.

• true
• false
• Can't say
• Not applicable

How is the Poisson's ratio expressed for a wire in terms of assorted directions?

• as a ratio of strain in lateral direction to the strain in an axial direction
• as a ratio of strain in axial direction to the strain in lateral direction
• as a ratio of stress in axial direction to the strain in lateral direction
• as a ratio of stress in axial direction to the strain in lateral direction

Which angle of subtension can be observed by the reflected light beam during the rotational movement of mirror under the application of stress in optical gauges?

• Equal to an angle of incident light
• Twice to an angle of incident light
• One-half to an angle of incident light
• One-third to an angle of incident light