SI Units - Civil Engineering Questions and Answers

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Candela (Cd) is used to express

A.

luminous intensity

B.

electric current intensity

C.

power

D.

frequency.

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The unit kg/m³ is used for

A.

force

B.

density

C.

volume

D.

pressure.

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The fundamental units in S.I. System are :

A.

Centimetre, gram, second

B.

Foot, pound, second

C.

Metre, kilogram, second

D.

Kilometre, kilogram, minute

E.

None of these.

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The bar used for defining the standard metre at the International office of weights and measures at Sevres near Paris, is composed of

A.

50% platinum and 50% iridium

B.

60% platinum and 40% iridium

C.

70% platinum and 30% iridium

D.

80% platinum and 20% iridium

E.

90% platinum and 10% iridium

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m²/s is used in S.I. system for

A.

Surface tension

B.

Kinematic viscosity

C.

Pressure

D.

Power.

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The S.I. unit of Modulus of elasticity is

A.

Newton/m²

B.

Newton/cm²

C.

Newton/mm²

D.

all the above.

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One Newton is equivalent to

A.

0.10197 kgf

B.

0.20197 kgf

C.

9.80665 kgf

D.

0.97125 kgf

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Joule or Newton metric is used for

A.

Work

B.

Torque

C.

Energy

D.

All the above.

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Stress in SI units is expressed in

A.

kg per sq cm

B.

kg per sq mm

C.

Newton per sq mm

D.

Newton per sq cm

E.

Newton per sq m