Discussion
Home ‣ Civil Engineering ‣ Applied Mechanics Comments
- Question
Engineer's units of force, is
Options- A. Newton in absolute units
- B. Dyne in absolute units
- C. Newton and dyne in absolute units
- D. All the above.
- Correct Answer
- Newton in absolute units
- 1. Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by
Options- A. its longer side"
- B. its shorter side"
- C. the diagonal of the parallelogram which does not pass through the point of intersection of the forces"
- D. the diagonal of the parallelogram which passes through the point of intersection of the forces"
- E. half the sum of the diagonals". Discuss
- 2. The vertical reaction at the support A of the structure shown in below figure, is
Options- A. 1 t
- B. 2 t
- C. 3 t
- D. 2.5 t. Discuss
- 3. Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is
Options- A. 20 kg
- B. 25 kg
- C. 30 kg
- D. 35 kg
- E. 40 kg. Discuss
- 4. A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is
Options- A. 50%
- B. 40%
- C. 55%
- D. 30%. Discuss
- 5. The locus of the instantaneous centre of a moving rigid body, is
Options- A. straight line
- B. involute
- C. centroid
- D. spiral. Discuss
- 6. To attain the synchronous orbit, the launch of a satellite, is done from a place
Options- A. on equator
- B. on 30° latitude
- C. on 45° latitude
- D. on 60° latitude
- E. on the poles. Discuss
- 7. The tension in a cable supporting a lift
Options- A. is more when the lift is moving downwards
- B. is less when the lift is moving upwards
- C. remains constant whether its moves downwards or upwards
- D. is less when the lift is moving downwards. Discuss
- 8. The angle which an inclined surface makes with the horiontal when a body placed on it is on the point of moving down, is called
Options- A. angle of repose
- B. angle of friction
- C. angle of inclination
- D. none of these. Discuss
- 9. The Law of Polygon of Forces states that
Options- A. if a polygen representing the forces acting at point in a body is closed, the forces are in equilibrium
- B. if forces acting on a point can be represented in magnitde and direction by the sides of a polygon taken in order, then the resultant of the forces will be represented in magnitude and direction by the closing side of the polygon
- C. if forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon, taken in opposite order
- D. if forces acting on a point can be represented in magnitude and direction by the sides of a polygon in order, the forces are in equilibrium. Discuss
- 10. If three rigid rods are hinged together to form a triangle and are given rotary as well as translatory motion, the number of instantaneous centres of the triangle, will be
Options- A. 1
- B. 2
- C. 3
- D. 4
- E. 5. Discuss
Applied Mechanics problems
Search Results
Correct Answer: the diagonal of the parallelogram which passes through the point of intersection of the forces"
Correct Answer: 3 t
Correct Answer: 25 kg
Correct Answer: 40%
Correct Answer: centroid
Correct Answer: on equator
Correct Answer: is less when the lift is moving downwards.
Correct Answer: angle of repose
Correct Answer: if forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon, taken in opposite order
Correct Answer: 3
Comments
There are no comments.More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.