General Science Measurements | General Knowledge Questions and Answers | General Knowledge Free Online-Tests | LucentBlackBoard

01.

Fathom is the unit of

A.	sound	B.	depth
C.	frequency	D.	distance

Answer and Explanation

Answer: depth

Explanation:
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02.

Knot is a unit of speed of which of the following?

A.	Aeroplane	B.	Light waves
C.	Ship	D.	Sound waves

Answer and Explanation

Answer: Ship

Explanation:
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03.

Decibel is the unit for

A.	speed of light	B.	radio wave frequency
C.	intensity of sound	D.	intensity of heat

Answer and Explanation

Answer: intensity of sound

Explanation:
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04.

Light year is a measurement of

A.	speed of aeroplanes	B.	speed of light
C.	Stellar distances	D.	speed of rockets

Answer and Explanation

Answer: Stellar distances

Explanation:
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05.

One fathom is equal to

A.	6 feet	B.	6 meters
C.	60 feet	D.	100 cm

Answer and Explanation

Answer: 6 feet

Explanation:
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06.

kilohertz is a unit which measures

A.	power used by a current of one ampere	B.	electromagnetic radio wave frequencies
C.	voltage	D.	electric resistance

Answer and Explanation

Answer: electromagnetic radio wave frequencies

Explanation:
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07.

One horse power is equal to

A.	746 watts	B.	748 watts
C.	756 watts	D.	736 watts

Answer and Explanation

Answer: 746 watts

Explanation:
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08.

A chronometer measures

A.	colour contrast	B.	sound waves
C.	time	D.	water waves

Answer and Explanation

Answer: time

Explanation:
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09.

What is the unit for measuring the amplitude of a sound?

A.	Decibel	B.	Coulomb
C.	Hum	D.	Cycles

Answer and Explanation

Answer: Decibel

Explanation:
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10.

Very small time intervals are accurately measure by

A.	White dwarfs	B.	Quartz clocks
C.	Atomic clocks	D.	Pulsars

Answer and Explanation

Answer: Atomic clocks

Explanation:
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11.

One kilometre is equal to how many miles?

A.	0.84	B.	0.5
C.	1.6	D.	0.62

Answer and Explanation

Answer: 0.62

Explanation:
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12.

Nautical mile is a unit of distance used in

A.	navigation	B.	road mile
C.	astronomy	D.	measuring the boundaries of a nation

Answer and Explanation

Answer: navigation

Explanation:
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13.

Reading of a barometer going down is an indication of

A.	snow	B.	storm
C.	intense heat	D.	rainfall

Answer and Explanation

Answer: rainfall

Explanation:
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14.

Electric current is measure by

A.	commutator	B.	anemometer
C.	ammeter	D.	voltmeter

Answer and Explanation

Answer: ammeter

Explanation:
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15.

'Bar' is the unit of

A.	temperature	B.	heat
C.	atmospheric pressure	D.	current

Answer and Explanation

Answer: atmospheric pressure

Explanation:
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16.

Kilowatt is a unit to measure

A.	work	B.	power
C.	electricity	D.	current

Answer and Explanation

Answer: power

Explanation:
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