MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Civil Engineering
Strength Of Materials
Quiz 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Q.1
A framed structure is perfect if it contains members equal to (where n = number of joints in a frame)
2n-3
n-l
2n-l
n-2
Q.2
In the equation of virtual work, following force is neglected
reaction of any smooth surface with which the body is in contact
reaction of a rough surface of a body which rolls on it without slipping
reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
all of the above
Q.3
The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is
same
double
half
four times
Q.4
In actual machines
mechanical advantage is greater than velocity ratio
mechanical advantage is equal to velocity ratio
mechanical advantage is less than velocity ratio
mechanical advantage is unity
Q.5
A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if
the floor is smooth, the wall is rough
the floor is rough, the wall is smooth
the floor and wall both are smooth surfaces
the floor and wall both are rough sur-faces
Q.6
Two non-collinear parallel equal forces acting in opposite direction
balance each other
constitute a moment
constitute a couple
constitute a moment of couple
Q.7
Which of the following is the example of lever of first order?
Arm of man
Pair of scissors
Pair of clinical tongs
All of the above
Q.8
The C.G. of a right circular solid cone of height h lies at the following distance from the base
h/2
J/3
h/6
h/4
Q.9
According to principle of moments
if a system of coplanar forces is in equilibrium, then their algebraic sum is zero
if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero
the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point
positive and negative couples can be balanced
Q.10
Forces are called coplanar when all of them acting on body lie in
one point
one plane
different planes
perpendicular planes
Q.11
Which of the following is not the unit of distance ?
angstrom
light year
millimeter
milestone.
Q.12
The algebraic sum of moments of the forces forming couple about any point in their plane is
equal to the moment of the couple
constant
both of above are correct
both of above are wrong
Q.13
A force acting on a body may
introduce internal stresses
retard its motion
change its motion
all of the above.
Q.14
The coefficient of friction depends on
area of contact
shape of surfaces
strength of surfaces
nature of surface
Q.15
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span
2.5 cm
3.0 cm
4.0 cm
5.0 cm
Q.16
Which of the following is not the unit of pressure ?
kg/cm
atmosphere
mm of wcl
newton.
Q.17
Forces are called concurrent when their lines of action meet in
one point
two points
plane
perpendicular planes
Q.18
From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate
0.5 cm
1.0 cm
1.5 cm
2.5 cm
Q.19
The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of
friction
limiting friction
repose
kinematic friction
Q.20
When trying to turn a key into a lock, following is applied
coplanar force
non-coplanar forces
moment
couple
Q.21
Which is the correct statement about law of polygon of forces ?
if any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium
if any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium
if a polygon representing forces acting at a point is closed then forces are in equilibrium
if any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium
Q.22
In the lever of third order, load W, effort P and fulcrum F are oriented as follows
W between P and F
F between W and P
P between W and F
W, P and F all on one side
Q.23
A number of forces acting at a point will be in equilibrium if
Their total sum is zero
Two resolved parts in two directions at right angles are equal
Sum of resolved parts in any two perpendicular directions are both zero
All of them are inclined equally
Q.24
In ideal machines
mechanical advantage is greater than velocity ratio
mechanical advantage is equal to velocity ratio
mechanical advantage is less than velocity ratio
mechanical advantage is unity
Q.25
Coefficient of friction is the
angle between normal reaction and the resultant of normal reaction and the limiting friction
ratio of limiting friction and normal reaction
the friction force acting when the body is just about to move
the friction force acting when the body is in motion
Q.26
Pick up wrong statement about friction force for dry surfaces. Friction force is
proportional to normal load between the surfaces
dependent on the materials of contact surface
proportional to velocity of sliding
independent of the area of contact surfaces
Q.27
The possible loading in various members of framed structures are
compression or tension
buckling or shear
shear or tension
all of the above
Q.28
Which of the following is not the unit of work, energy and heat ?
kcal
kg m
kWhr
hp
Q.29
A cable with a uniformly distributed load per horizontal metre run will take the following shape
Straight line
Parabola
Hyperbola
Elliptical
Q.30
A pair of smith’s tongs is an example of the lever of
zeioth order
first order
second order
third order
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page