Diploma Engineer Tairrnee Interview Questions and Answers

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).

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

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