Online Civil Engineering Test - Applied Mechanics 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.
  • DO NOT refresh the page.
  • 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 resultant of two forces P and Q acting at an angle θ, is
P2 + Q2 + 2P sin θ
P2 + Q2 + 2PQ cos θ
P2 + Q2 + 2PQ tan θ
Your Answer: Option
(Not Answered)
Correct Answer: Option

2.
If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with
a uniform retardation
a uniform acceleration
a variable acceleration
a variable retardation
none of these.
Your Answer: Option
(Not Answered)
Correct Answer: Option

3.
Maximum efficiency of a screw jack for the angle of friction φ, is
Your Answer: Option
(Not Answered)
Correct Answer: Option

4.
One Newton force, is
103 dynes
104 dynes
105 dynes
106 dynes
107 dynes.
Your Answer: Option
(Not Answered)
Correct Answer: Option

5.
Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of
5 Newtons
8 Newtons
10 Newtons
12 Newtons.
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(Not Answered)
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6.
Pick up the correct statement from the following for the structure shown in below figure.
The horizontal reaction at A is 23t
The horizontal reaction at C is 23t
The vertical reaction at A is zero
The vertical reaction at C is 2 t
All the above.
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(Not Answered)
Correct Answer: Option

7.
The maximum frictional force which comes into play, when a body just begins to slide over the surface of a an other body, is known
sliding friction
rolling friction
limiting friction
none of these.
Your Answer: Option
(Not Answered)
Correct Answer: Option

8.
Time of flight of a projectile on a horizontal plane, is
Your Answer: Option
(Not Answered)
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9.
If v and ω are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius r, will be
rω.
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10.
A satellite is said to move in a synchronous orbit if it moves at an altitude of 36, 000 km with a maximum velocity of about
7000 km per hour
8000 km per hour
9000 km per hour
10, 000 per hour
11, 000 km per hour.
Your Answer: Option
(Not Answered)
Correct Answer: Option

11.
A smooth cylinder lying on its convex surface remains
in stable equilibrium
in unstable equilibrium
in neutral equilibrium
out of equilibrium
none of these.
Your Answer: Option
(Not Answered)
Correct Answer: Option

12.
A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is
30°
45°
60°
90°.
Your Answer: Option
(Not Answered)
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13.
According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centres lie on
a point
a straight line
two straight lines
a triangle.
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(Not Answered)
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14.
A point subjected to a number of forces will be in equilibrium, if
sum of resolved parts in any two directions at right angles, are both zero
algebraic sum of the forces is zero
two resolved parts in any two directions at right angles are equal
algebraic sum of the moments of the forces about the point is zero
none of these.
Your Answer: Option
(Not Answered)
Correct Answer: Option

15.
Pick up the incorrect statement from the following. In a simple harmonic motion
velocity is maximum at its mean position
velocity is minimum at the end of the storke
acceleration is minimum at the end of the stroke
acceleration is zero at the mean position.
Your Answer: Option
(Not Answered)
Correct Answer: Option

16.
A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be
zero
0.5 m/sec
1.0 m/sec
2.0 m/sec.
Your Answer: Option
(Not Answered)
Correct Answer: Option

17.
The practical units of work, is
erg
joule
Newton
dyne.
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(Not Answered)
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18.
For a self-locking machine, the efficiency should be
less than 60%
50%
more than 50%
None of these.
Your Answer: Option
(Not Answered)
Correct Answer: Option

19.
The velocity ratio of an inclined plane of inclination θ with horizontal for lifting a load is
sin θ
cos θ
tan θ
sec θ
cosec θ.
Your Answer: Option
(Not Answered)
Correct Answer: Option

20.
In the structure shown in below figure, the member which carries zero force, is
AB
BC
BE
BD
All the above.
Your Answer: Option
(Not Answered)
Correct Answer: Option

*** END OF THE TEST ***
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