Efficiency in Machine Designs Quiz

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Test your grasp on machine efficiency

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Shane Kristel Baldomar

Philippines

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Froggy Jumps Efficiency in Machine Designs QuizOnline version Test your grasp on machine efficiency by Shane Kristel Baldomar 1 What is Efficiency(%) equality formula? a Efficiency (%) = (Work Output / Work Input) × 100 b Efficiency (%) = (Work Input / Work Output) × 100 c Efficiency (%) = (Output / Input) × 1000 2 What is Work input? a Work input is energy lost to friction b Work input is applied effort c Work input is useful work 3 What is Work output? a Work output is energy lost as heat b Work output is useful work c Work output is total energy 4 What does Energy Loss in Machines describe? a Energy lost during operation b Energy stored in machine c Energy gained during operation 5 What factor contributes to Energy Loss in Machines? a Lubrication increases energy loss b Color of machine affects loss c Resistance forces cause energy loss 6 What statement is true about Ideal vs Real Machines? a Ideal machines are never perfect b 100 percent efficiency impossible c Real machines are 110% efficient 7 Which is a meaning of Machine Efficiency? a Efficiency is only about speed b Efficiency compares work values, input vs useful output c Efficiency ignores energy loss 8 What can improve machine efficiency? a Propose and test modifications to improve efficiency b Increase input energy without changes c Ignore friction and continue

Froggy Jumps

Efficiency in Machine Designs QuizOnline version

Test your grasp on machine efficiency

by Shane Kristel Baldomar

What is Efficiency(%) equality formula?

Efficiency (%) = (Work Output / Work Input) × 100

Efficiency (%) = (Work Input / Work Output) × 100

Efficiency (%) = (Output / Input) × 1000

What is Work input?

Work input is energy lost to friction

Work input is applied effort

Work input is useful work

What is Work output?

Work output is energy lost as heat

Work output is useful work

Work output is total energy

What does Energy Loss in Machines describe?

Energy lost during operation

Energy stored in machine

Energy gained during operation

What factor contributes to Energy Loss in Machines?

Lubrication increases energy loss

Color of machine affects loss

Resistance forces cause energy loss

What statement is true about Ideal vs Real Machines?

Ideal machines are never perfect

100 percent efficiency impossible

Real machines are 110% efficient

Which is a meaning of Machine Efficiency?

Efficiency is only about speed

Efficiency compares work values, input vs useful output

Efficiency ignores energy loss

What can improve machine efficiency?

Propose and test modifications to improve efficiency

Increase input energy without changes

Ignore friction and continue

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Efficiency in Machine Designs Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Efficiency in Machine Designs QuizOnline version

by Shane Kristel Baldomar

What is Efficiency(%) equality formula?

What is Work input?

What is Work output?

What does Energy Loss in Machines describe?

What factor contributes to Energy Loss in Machines?

What statement is true about Ideal vs Real Machines?

Which is a meaning of Machine Efficiency?

What can improve machine efficiency?

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