Engineering and Science Quiz

Which of the following is a major disadvantage of using an induction motor?

• High starting torque

• High power factor

• Low efficiency at low loads

• High efficiency at low loads

Which of the following is a characteristic of ionic bonding?

• Electrons are shared between atoms

• Electrons are transferred from one atom to another

• Atoms form a single bond

• It occurs between two non-metals

What is the speed of light in a vacuum?

• 3 × 10⁸ m/s

• 3 × 10⁴ m/s

• 3 × 10² m/s

• 3 × 10¹⁰ m/s

Which of the following is an example of an algorithm design technique?

• Looping

• Recursion

• Inheritance

• Polymorphism

Which cycle is commonly used in internal combustion engines?

• Carnot cycle

• Brayton cycle

• Rankine cycle

• Otto cycle

What is the advantage of a differential amplifier?

• Amplifies a single input signal

• Rejects common-mode noise signals

• Converts AC to DC

• Reduces the power consumption

What does SWOT analysis stand for in business management?

• Strengths, Weaknesses, Opportunities, Threats

• Strategy, Work, Opportunity, Time

• Sales, Work, Outcome, Target

• Skills, Workforce, Operations, Time

What is supervised learning in AI?

• Learning with no labeled data

• Learning from a set of labeled data to make predictions

• Learning from unstructured data

• Learning through reinforcement

In a DC motor, if the field flux is reduced by half, what will be the effect on the armature current for a constant applied voltage?

• It will double

• It will remain the same

• It will reduce to half

• It will increase by a factor of 4

In a synchronous generator, what is the effect of increasing the excitation current on the terminal voltage when the generator is operating under a constant load?

• The terminal voltage decreases

• The terminal voltage increases

• The terminal voltage remains unchanged

• The current frequency increases