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Online Civil Engineering Test - SI Units Test

Instruction:
  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
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  • All the best!

Marks : 2/20

Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.
1.
The fundamental units in S.I. System are :
Centimetre, gram, second
Foot, pound, second
Metre, kilogram, second
Kilometre, kilogram, minute
None of these.
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2.
The thickness of a micron, is
10-3 m
10-6 m
10-9 m
10-12 m
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3.
The unit kg/m3 is used for
force
density
volume
pressure.
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4.
One Newton force produces an acceleration of
1 cm/sec2 while acting on a body of 1 gm mass
1 cm/sec2 while acting on a body of 1 kg mass
1 m/sec2 while acting on a body of 1 kg mass
1 m/sec2 while acting on a body of 1 gm mass.
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5.
1 kg wt in gravitational unit equals
8.9 N in SI system
9.8 N in SI system
4.5 N in SI system
5.4 N in SI system.
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6.
In SI units, moment is expressed as
kg-m
kg-cm
kg-mm
all the above.
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7.
Pick up the correct statement from the following:
The units of moment of inertia of a plane area, depends upon the units of the area and the length
The moment of inertia is expressed in m4 if the area is in square metres and the length is also in metres
The moment of inertia is expressed in cm4 if the area is in square centimetres and the length in centimetres
The moment of inertia is expressed in mm4 if the area is in square millimetres and the length in millimetres
All the above.
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8.
If α is the angular acceleration of a body of moment of inertia I, the torque is
I2 α
I α
I/α
I2/α
I α1/2
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9.
Basic unit of thermodynamic temperature, is
degree fahrenheit
degree centigrade
degree kelvin
degree absolute.
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10.
Joule or Newton metric is used for
Work
Torque
Energy
All the above.
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11.
Hertz (Hz) is used to express
Luminous intensity
electric current intensity
power
frequency.
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12.
Candela (Cd) is used to express
luminous intensity
electric current intensity
power
frequency.
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13.
Angular acceleration is expressed as
m/s2
w/s2
rad/s2
rad/s
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14.
SI unit for the surface tension, is
kg/m3
kg/m2
kg/m
N/m
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15.
The intensity of pressure at a certain place is 1 kg (f)/m2, the intensity of pressur e in SI units will be
47.88 N/m2
9.81 N/m2
4.882 N/m2
0.07013 N/m2
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16.
In SI system, the unit of temperature, is
Degree centigrade
Degree Celsius
Kelvin
Degree Fahrenheit.
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17.
To convert the units of M.K.S. to units of S.I., a factor 9.80665 is used for
mass
force
work energy
power
all the above.
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18.
m2/s is used in S.I. system for
Surface tension
Kinematic viscosity
Pressure
Power.
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19.
In S.I. system, the symbol for density is
N/m3
kg/m3
m3/s
kg
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20.
The S.I. unit of Modulus of elasticity is
Newton/m2
Newton/cm2
Newton/mm2
all the above.
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