Practice Applied Mechanics And Graphic Statics Multiple Choice Questions Quiz-12 - MCQGeeks.com

Q.1

The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at

Supports
Quarter span
Mid span
None of the above

Q.2

The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is

½ sec
1 sec
1.2 sec
1.5 sec

Q.3

The load shared by the member BC of the structure shown in below figure is

23 t
32 t
4 t
3 t

Q.4

If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is

500 meters
1000 meters
1500 meters
2000 meters

Q.5

If a set of given forces are such that their free vectors build a closed polygon, then

The resultant force and resultant couple are always zero
The resultant force is zero but resultant couple is not zero
The resultant force is zero but resultant couple may not be zero
The resultant force and resultant couple both may not be zero

Q.6

The numbers of funicular polygons which can be drawn to pass through two specified points in the space diagram are

Zero
1
2
Infinity

Q.7

The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are

zero
1
2
infinity

Q.8

Equation of motion of a point in a straight line, is

v = u + ft
S = ut + ½ ft²
2fS = v² - u²
All the above

Q.9

The reaction at the support D of the continuous beam ABCD, hinged at two points shown in below figure is

1.6 t ↑
1.6 t ↓
0.5 t ↑
0.5 t ↓

Q.10

If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is

—rad/sec 10
—rad/sec 20
—rad/sec 30
none of the above

Q.11

A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be

Zero
5 m/sec
10 m/sec
None of these

Q.12

Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

Zero
5 m/sec
10 m/sec
None of these

Q.13

The diagram showing the point of application and line of action of forces in their plane is called

Vector diagram
Space diagram
Force diagram
Funicular diagram

Q.14

The reaction at the support B of the beam shown in below figure is

1.6 t
9.6 t
8.5 t
0.5 t

Q.15

What is the answer to this question?

Zero
2 t
3 t
1 t

Q.16

The moment of inertia of the shaded portion of the area shown in below figure about the X-axis, is

229.34 cm⁴
329.34 cm⁴
429.34 cm⁴
529.34 cm⁴

Q.17

A square hole is made in a circular lamina, the diagonal of the square is equal to the radius of the circle as shown in below figure the shift in the centre of gravity is

r (π - 0.75)/(π - 0.5)
r (π - 0.25)/(π - 0.75)
r (π - 0.5)/(π - 0.75)
r (π - 0.5)/(π - 0.25)

Q.18

What is the answer to this question?

10.8 t
10.6 t
10.4 t
10.2 t

Q.19

The reaction at the central support B of the beam ABC hinged at D shown in below figure is

2 t
5.8 t
0.2 t
3.5 t

Q.20

The C.G. of the shaded area of the bellow figure from the x-axis is

^a/₄
^3a/₄
^3b/₁₀
^3a/₁₀

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