Free Printable first IA (18CIV24)

1.

Concrete is homogeneous mixture made up of

a)

cement sand water

b)

cement ,sand ,aggregates and water

c)

cement ,sand ,aggregates

d)

sand ,aggregates and water

2.

Displacement is a vector quantity

a)

true

b)

false

c)

nil

d)

both

3.

Unit for moment of a force is

a)

m-N-m

b)

N-m

c)

N/m

d)

m³

4.

Concurrent forces are

a)

which act in the same line

b)

which act in different lines

c)

whose line of action intersect at a single point

d)

none of the above

5.

Coplanar forces are

a)

act in same line

b)

act in different planes

c)

which have line of action in the same plane

d)

none of the above

6.

If FX and Fy are known the magnitude and direction are

a)

F=Fx+Fy and $\theta=\tan-1\left(\frac{Fx}{Fy}\right)$

b)

F=Fx/Fy and $\theta=\tan-1\left(Fx\right)$

c)

F= $\sqrt{Fx^2+Fy^2\ \ \ }$ and $\theta=\tan-1\left(\frac{\left|Fy\right|}{\left|Fx\right|}\right)$

d)

F=Fy/Fx

7.

Moment of a force is

a)

FXd

b)

F/d

c)

d/F

d)

NONE

8.

Lami's Theorem is

a)

F1/sin $\alpha$ =F2/sin $\beta$ =F3/sin $\gamma$

b)

sin $\alpha$ /F1=sin $\beta$ =sin $\gamma$

c)

sin $\alpha$ =sin $\beta$

d)

none

9.

Equilibrium of Coplanar concurrent system are

a)

$\sum_{ }^{ }Fx=0,\sum_{ }^{ }Fy=0$

b)

$\sum_{ }^{ }Fx=0$

c)

$\sum_{ }^{ }Fy=0$

d)

none

10.

The moment(N-m) about 'O' is

a)

2200

b)

344.85

c)

3000

d)

16

11.

The moment about 'o' is

a)

200N-m

b)

100

c)

50

d)

1000

12.

Fx and Fy are

a)

86.6 and 50

b)

50 and 50

c)

30 and 60

d)

80 and 20

13.

The magnitude of F1 AND F2 are equal =

a)

400

b)

1000

c)

200

d)

100

14.

Rx= $\sum_{ }^{ }Fx=$ ?

a)

6N

b)

0

c)

5N

d)

NONE

15.

Ry= $\sum_{ }^{ }Fy=?$

a)

40

b)

100

c)

50

d)

0

16.

$\sum_{ }^{ }Fy=?$

a)

42.86kN

b)

0

c)

30

d)

40

17.

$\sum_{ }^{ }Fx=?$

a)

4

b)

6

c)

3.8

d)

2.6

18.

$\sum_{ }^{ }Fx=?$

a)

180

b)

175

c)

70

d)

168

19.

$\sum_{ }^{ }Fy=?$

a)

-70

b)

80

c)

-20

d)

0

20.

$\sum_{ }^{ }Fx=?$

a)

2

b)

0

c)

16

d)

8

21.

$\sum_{ }^{ }$ Fy=?

a)

-26

b)

-25

c)

90

d)

0

22.

$\sum_{ }^{ }Fx=?$

a)

-102.7N

b)

-86

c)

99

d)

10

23.

$\sum_{ }^{ }Fy=?$

a)

20.94

b)

32

c)

14

d)

6

24.

Rx=?

a)

33

b)

93

c)

45

d)

2

25.

Ry=?

a)

-25kN

b)

48

c)

23

d)

5

26.

Using Lamis theorem W2 IS

a)

50N

b)

100N

c)

70.7N

d)

0

27.

Resultant R =

a)

0

b)

6

c)

78

d)

2

28.

R is

a)

-60N

b)

50N

c)

2N

d)

24N

29.

UNIT FOR TORQUE IS

a)

m-s

b)

N-m

c)

N/m

d)

none

30.

Mega is

a)

10³

b)

10²

c)

10⁶

d)

10

first IA (18CIV24)

Total questions: 30

Worksheet time: 3600secs

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