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KPSC ITI JTO Workshop Calculation and Science 2018
82

KPSC ITI JTO Workshop Calculation and Science Question Papers - 2018 with Answer Key

82) In which case the potential energy is decreases?

On compressing the spring

On stretching a spring

On moving a body against gravitational pull

On raising an air bubble in water

Answer is:

On raising an air bubble in water

KPSC ITI JTO Workshop Calculation and Science Question Papers - 2018 with Answer Key

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Related KPSC ITI JTO Workshop Calculation and Science Question Papers - 2018 with Answer Key

83) A pulley is used to lift a mass with a force of 900 N to height of 10 meters in a 90 seconds. Then the power required is

100 watts

75 watts

60 watts

50 watts

Answer is:

100 watts

84) Which one of the following is useful friction?

Rings in cylinders

Crankshaft bearings

Brake shoe linings

Wheel hole bearings

Answer is:

Brake shoe linings

KPSC ITI JTO Workshop Calculation and Science Question Papers - 2018 with Answer Key

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