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- Question
A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 x 106 kg/cm2, the side of the rod, is
Options- A. 1 cm
- B. 1.5 cm
- C. 2 cm
- D. 2.5 cm
- Correct Answer
- 2 cm
- 1. Pick up the correct statement from the following :
Options- A. with both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from knots
- B. the follower of the chaining operation should be more experienced than the leader
- C. at the end of the tenth chain length, the two chain men meet and the ten arrows are handed over to the leader
- D. all the above. Discuss
- 2. The value of Chezy's constant
is used in
Options- A. Chezy's formula
- B. Bazin's formula
- C. Kutter's
- D. Manning's formula. Discuss
- 3. The distance between the centres of adjacent rivets in the same row, is called
Options- A. pitch
- B. lap
- C. gauge
- D. staggered pitch. Discuss
- 4. If R is the radius of a main circular curve, ? is the angle of deflection and ? is the polar deflection angle of any point, its radial distance is
Options- A. 3 R sin ?/3 sin 2?
- B. 3 R sin ?/2 sin 3?
- C. 3 R sin ?/3 sin ?/2
- D. 3 R sin 2? sin ? Discuss
- 5. The assumption in the theory of bending of beams, is :
Options- A. material is homogeneous
- B. material is isotropic
- C. Young's modulus is same in tension as well as in compression
- D. each layer is independent to expand or to contract
- E. all the above. Discuss
- 6. The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:
Options- A. radial shakes
- B. heart shakes
- C. wind cracks
- D. twisted fibres. Discuss
- 7. A fluid particle may possess the displacement of
Options- A. translation
- B. rotation
- C. distortion
- D. all the above. Discuss
- 8. Duco is one of the patent forms of
Options- A. emulsion paints
- B. plastic paints
- C. bituminous paints
- D. aluminium paints
- E. cellulose paints. Discuss
- 9. Pozzolana (or surkhi) is used in lime
Options- A. to impart hydraulicity
- B. to prevent shrinkage
- C. to decrease the cost of construction
- D. to decrease the setting time. Discuss
- 10. In case of a direct vernier scale
Options- A. graduations increase in opposite direction in which graduations of the main scale increase
- B. smallest division is longer than smallest division of the main scale
- C. graduations increase in the same direction in which graduations of the main scale increase
- D. none of these. Discuss
More questions
Correct Answer: all the above.
Correct Answer: Kutter's
Correct Answer: pitch
Correct Answer: 3 R sin ?/3 sin 2?
Correct Answer: all the above.
Correct Answer: wind cracks
Correct Answer: all the above.
Correct Answer: cellulose paints.
Correct Answer: to impart hydraulicity
Correct Answer: graduations increase in the same direction in which graduations of the main scale increase
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