Round - 2A KAHOOT (MCQ'S)

Which of the following materials has the highest electrical conductivity?

• Gold

• Silver

• Copper

• Aluminum

In which of the following operations is a drilling machine mainly used?

• Cutting

• Boring

• Milling

• Tapping

The ratio of lateral strain to linear strain is known as:

• Young's Modulus

• Bulk Modulus

• Poisson's Ratio

• Shear Modulus

In a PN junction diode, if the depletion region is large, the diode is said to be:

• Forward Biased

• Reverse Biased

• Open Circuited

• Short Circuited

Which material is most commonly used in semiconductors?

• Copper

• Silicon

• Gold

• Silver

Which component is used to store electrical energy in a circuit?

• Resistor

• Capacitor

• Inductor

• Diode

In a chemical reaction, the speed of the reaction can be increased by:

• Decreasing temperature

• Adding a catalyst

• Reducing pressure

• Reducing the surface area of reactants

The velocity of sound is maximum in which of the following?

• Air

• Water

• Steel

• Vacuum

What type of wave is a sound wave?

• Transverse Wave

• Longitudinal Wave

• Electromagnetic Wave

• Standing Wave

What type of stress occurs in an object when it is subjected to a force that pulls it apart?

• Compressive Stress

• Shear Stress

• Tensile Stress

• Bending Stress