SI Units - Section 1

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SI Units - Section 1

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solving MCQs on SI unit problems.

1.

Basic unit of thermodynamic temperature, is

A.	degree fahrenheit
B.	degree centigrade
C.	degree kelvin
D.	degree absolute.

Answer: Option C

Explanation:

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2.

N-s/m² is used in S.I. system for

A.	Kinematic viscosity
B.	Dynamic viscosity
C.	Mass density
D.	Weight density.

Answer: Option B

Explanation:

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3.

In SI system, the unit of temperature, is

A.	Degree centigrade
B.	Degree Celsius
C.	Kelvin
D.	Degree Fahrenheit.

Answer: Option C

Explanation:

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4.

The SI unit of the force is

A.	Newton
B.	Kilogrames
C.	Joule
D.	Erg

Answer: Option A

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5.

In S.I. system, symbol for the specific weight is

A.	kg/m3
B.	N/m3
C.	N/m2
D.	none of these.

Answer: Option B

Explanation:

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6.

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

Answer: Option E

Explanation:

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7.

Joule or Newton metric is used for

A.	Work
B.	Torque
C.	Energy
D.	All the above.

Answer: Option D

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8.

One Newton is equivalent to

A.	0.10197 kgf
B.	0.20197 kgf
C.	9.80665 kgf
D.	0.97125 kgf

Answer: Option A

Explanation:

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