Diploma Engineer Tairrnee

Diploma Engineer Tairrnee Interview Questions and Answers

Updated 26 Sep 2017

Q1. What is the defination of Young Modulus?

Ans.

Young modulus is a measure of the stiffness of a material and is defined as the ratio of stress to strain.

  • Young modulus is also known as modulus of elasticity or elastic modulus.

  • It quantifies the ability of a material to deform under stress.

  • Young modulus is a material property and varies for different materials.

  • It is defined as the ratio of stress to strain within the elastic limit.

  • Young modulus is expressed in units of pressure, such as pascals (Pa) or gigapascals (GPa).

Q2. Explain about some measuring instruments

Ans.

Measuring instruments are tools used to quantify physical quantities and ensure accurate measurements.

  • Measuring tape: used to measure length or distance

  • Thermometer: used to measure temperature

  • Voltmeter: used to measure voltage

  • Ammeter: used to measure electric current

  • Spectrophotometer: used to measure the intensity of light at different wavelengths

  • pH meter: used to measure the acidity or alkalinity of a solution

  • Barometer: used to measure atmospheric pressure

  • Hydrometer: used to...read more

Q3. Least count of vernier and micrometer

Ans.

The least count of a vernier caliper and a micrometer is the smallest measurement that can be accurately read.

  • The least count of a vernier caliper is typically 0.02 mm or 0.001 inch.

  • The least count of a micrometer is typically 0.01 mm or 0.001 inch.

  • The least count is determined by the number of divisions on the main scale and the vernier scale.

  • For example, if the main scale has 20 divisions and the vernier scale has 10 divisions, the least count would be 0.02 mm (20 divisions...read more

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