Applied Mechanics and Graphic Statics MCQs

Question 1

The centre of gravity of the trapezium as shown in below figure from the side is at a distance of

Accepted Answer

$$\frac{{	ext{h}}}{3} 	imes \frac{{{	ext{b}} + {	ext{2a}}}}{{{	ext{b}} + {	ext{a}}}}$$

Answer

$$\frac{{	ext{h}}}{3} 	imes \frac{{2{	ext{b}} + {	ext{a}}}}{{{	ext{b}} + {	ext{a}}}}$$

Answer

$$\frac{{	ext{h}}}{2} 	imes \frac{{{	ext{b}} + {	ext{2a}}}}{{{	ext{b}} + {	ext{a}}}}$$

Answer

$$\frac{{	ext{h}}}{2} 	imes \frac{{2{	ext{b}} + {	ext{a}}}}{{{	ext{b}} + {	ext{a}}}}$$

Question 2

The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

Accepted Answer

0.6 R

Answer

0.2 R

Answer

0.4 R

Answer

0.3 R

Question 3

If the angular distance, 0 = 2t3 - 3t2, the angular acceleration at t = 1 sec. is

Accepted Answer

6 rad/sec2

Answer

1 rad/sec2

Answer

4 rad/sec2

Answer

12 rad/sec2

Question 4

If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by

Accepted Answer

$$\frac{{{{	ext{g}}_2}}}{{{{	ext{g}}_1}}}$$

Answer

g1

Answer

g2

Answer

$$\frac{{{{	ext{g}}_1}}}{{{{	ext{g}}_2}}}$$

Question 5

The vertical reaction at the support ‘A’ of the structure shown in below figure, is

Accepted Answer

3 t

Answer

1 t

Answer

2 t

Answer

3.5 t

Question 6

The member which does not carry zero force in the structure shown in below figure, is

Accepted Answer

BD

Answer

ED

Answer

DC

Answer

BC

Question 7

The motion of a bicycle wheel is

Accepted Answer

Rotary and translatory

Answer

Translatory

Answer

Rotary

Answer

Curvilinear

Question 8

Dimensional formula of Universal Gravitational constant G is-

Accepted Answer

M-2L2T-2

Answer

M-1L3T-2

Answer

M-1L2T-2

Answer

M-2L3T-2

Question 9

Effect of a force on a body depends upon its

Accepted Answer

All the above

Answer

Direction

Answer

Magnitude

Answer

Position