Engineering Mechanics Objective Ques-Ans [Part-2]

Engineering Mechanics Objective Questions as well as Answers

 

1. Influenza A virus subtype H5N1 polish cylinder lying on its convex surface remains inward __________ equilibrium.
A.     stable
B.     unstable
C.     neutral

Answer: Option B

2. Coefficient of friction is the ratio of the limiting friction to the normal reaction betwixt the 2 bodies.
A.     Yes
B.     No

Answer: Option A

3. Moment of inertia of a round out department nigh an axis perpendicular to the department is

A.	πd3/16
B.	πd3/32
C.	πd4/32
D.	πd4/64

Answer: Option C

4. The fourth dimension of flying (t) of a projectile on an upward inclined bird is(where u = Velocity of projection, α = Angle of projection, as well as β = Inclination of the bird amongst the horizontal.)

Answer: Option B

5. The unit of measurement of angular acceleration is

A.	N-m
B.	m/s
C.	m/s2
D.	rad/s2

Answer: Option D

6. Moment of inertia of a triangular department of base of operations (b) as well as tiptop (h) nigh an axis passing through its C.G. as well as parallel to the base, is

A.	bh3/4
B.	bh3/8
C.	bh3/12
D.	bh3/36

Answer: Option D

7. If the masses of both the bodies, equally shown inward the below figure, are reduced to l percent, as well as therefore tension inward the string volition be

A.     same
B.     half
C.     double

Answer: Option B

8. Which of the next is an equation of linear motion?(where, u as well as v = Initial as well as concluding velocity of the body, a = Acceleration of the body, as well as s = Displacement of the trunk inward fourth dimension t seconds.)

A.	v = u + a.t
B.	s = u.t + 1/2 a.t2
C.	v2 = u2+2a.s
D.	all of these

Answer: Option D

9. If a set out of forces are acting at a point, theirresultant volition hold out inclined at an angle θ amongst the horizontal, such that
A.     tan θ = ∑H/∑V
B.     tan θ = ∑V/∑H
C.     tan θ = ∑Vx∑H
D.   

Answer: Option B

10. The to a higher house figure shows the 2 equal forces at correct angles acting at a point. The value of strength R acting along their bisector as well as inward contrary administration is
A.     P/2
B.     2P
C.   
D.

Answer: Option C

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