Question 1
Marks : +2 | -2
Pass Ratio : 5%
Which of the following represents correct conversion for magnetostrictive transducers?
Explanation: Transducers which convert mechanical energy to magnetic energy is known as magnetostrictive transducers.
Question 5
Marks : +2 | -2
Pass Ratio : 26%
Which of the following element shows increase in magnetic flux density on decreasing stress applied?
Explanation: Nickel in its pure form shows inverse proportionality between stress and magnetic flux density, while Nickel Iron alloy shows direct proportionality between stress and magnetic flux density.
Question 7
Marks : +2 | -2
Pass Ratio : 26%
Which of the following represents negative magnetostriction?
Explanation: In negative magnetostrictive materials as the stress applied is increased, magnetic properties like remnant magnetic field and permeability increases.
Question 9
Marks : +2 | -2
Pass Ratio : 11%
Which of the following represents the use of including additional mass in acceleration transducer?
Explanation: Additional mass is included in the magnetostrictive acceleration transducers for avoiding effects of transverse acceleration.
Question 10
Marks : +2 | -2
Pass Ratio : 11%
Which of the following materials shows an increase in permeability with increase in tensile stress?
Explanation: Positive magnetostriction materials are those which exhibits direct proportionality between permeability and applied stress.