Exam Details
| Subject | Engineering Mechanics | |
| Paper | ||
| Exam / Course | B.Tech. Civil (Construction Management) / (Water Resources Engineering)/ (Aero Space Engineering) BTCM-BTWRE | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2015 | |
| City, State | new delhi, |
Question Paper
A weightless beam. BCD is held with the help of a tie rod AC as shown in Figure 1. Determine the reactions.at B and tension in the tie rod AC.
<img src='./qimages/13969-1a.jpg'>
What do you understand by a couple Explain its properties in detail. Also discuss the replacement of a force by a force and couple.
Write down the reactions for the given plane and space structures.
Plane Structures
Cable
Link
Roller
Pin
Fixed Support
Space Structures
Single Hinge
Fixed Support
Ball and Socket Joint
Single Smooth Pin
Single Journal Bearing
Write down the laws of friction. Also derive the Eytelwein's formula for the friction (Belt and Rope).
A block of weight W1 200 N rests on a horizontal surface and supports on top of it another block of weight W2 50 N. The block W2 is attached with the vertical wall by string AB as shown in Figure 2. Find the amount of horizontal force applied to the lower block necessary for impending slipping. Coefficient of friction 0·3 (All surface).
<img src='./qimages/13969-3a.jpg'>
Determine the centroid of an area shown in Figure 3.
<img src='./qimages/13969-3b.jpg'>
The displacement of a particle is defined by x 5 3 cos 3t. Find the position of the particle at t 3 sec. Also calculate the amplitude and frequency of the particle.
Define the following
Rigid body
Curvilinear motion Motion of translation
SHM
Derive Impulse -Momentum equation. A mass of weight 29·4 N is subjected to a time varying force 3t^3 5 along x-direction. Determine the velocitY of the mass after 3 sec., if Vo(velocity at t 4 m/sec.
Define the following:
Work
Power
Energy Also explain the principle of conservation of energy.
Draw SFD and BMD for the beam shown in Figure 4. Also calculate the location and magnitude of maximum BM.
<img src='./qimages/13969-6a.jpg'>
What is a Truss Also discuss the graphical method for analysis of trusses.
What is Hooke's law? Also discuss the S-S curve for ductile and brittle materials in detail.
A composite member is rigidly fixed at its ends as shown in Figure 5. Find the maximum stresses in steel and copper when the member is subjected to an axial compressive force of 14.4 kN. Es= 200 GPa, Ec 100 GPa.
<img src='./qimages/13969-7b.jpg'>
<img src='./qimages/13969-1a.jpg'>
What do you understand by a couple Explain its properties in detail. Also discuss the replacement of a force by a force and couple.
Write down the reactions for the given plane and space structures.
Plane Structures
Cable
Link
Roller
Pin
Fixed Support
Space Structures
Single Hinge
Fixed Support
Ball and Socket Joint
Single Smooth Pin
Single Journal Bearing
Write down the laws of friction. Also derive the Eytelwein's formula for the friction (Belt and Rope).
A block of weight W1 200 N rests on a horizontal surface and supports on top of it another block of weight W2 50 N. The block W2 is attached with the vertical wall by string AB as shown in Figure 2. Find the amount of horizontal force applied to the lower block necessary for impending slipping. Coefficient of friction 0·3 (All surface).
<img src='./qimages/13969-3a.jpg'>
Determine the centroid of an area shown in Figure 3.
<img src='./qimages/13969-3b.jpg'>
The displacement of a particle is defined by x 5 3 cos 3t. Find the position of the particle at t 3 sec. Also calculate the amplitude and frequency of the particle.
Define the following
Rigid body
Curvilinear motion Motion of translation
SHM
Derive Impulse -Momentum equation. A mass of weight 29·4 N is subjected to a time varying force 3t^3 5 along x-direction. Determine the velocitY of the mass after 3 sec., if Vo(velocity at t 4 m/sec.
Define the following:
Work
Power
Energy Also explain the principle of conservation of energy.
Draw SFD and BMD for the beam shown in Figure 4. Also calculate the location and magnitude of maximum BM.
<img src='./qimages/13969-6a.jpg'>
What is a Truss Also discuss the graphical method for analysis of trusses.
What is Hooke's law? Also discuss the S-S curve for ductile and brittle materials in detail.
A composite member is rigidly fixed at its ends as shown in Figure 5. Find the maximum stresses in steel and copper when the member is subjected to an axial compressive force of 14.4 kN. Es= 200 GPa, Ec 100 GPa.
<img src='./qimages/13969-7b.jpg'>
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