STUDY LESSON:-49 [CIVIL ENGINEERING]
For Competitive exams/Govt. jobs/Semester exam/Self Study Purpose
a) shrinkage b) creep c) fatigue d) segregation
2. In the case of broad gauge railway track on a horizontal curve of radius R the equilibrium cant e required for the moving train at a speed of V is
a) e =1.67V²/R b) e =1.315V²/R c) e =0.80V²/R d) e =0.60V²/R
3. As per Indian standard what is the minimum permissible compressive strength of burnt clay bricks in dray state?
a) 3.5 Mpa b) 5 Mpa c) 7.5Mpa d)10Mpa
4. Blaine air permeability test is used to determine ___________ of cement
5. ___________ is responsible for producing more heat of hydration and early strength of concrete.
a)C3A b) C2A c) C3AF d) C3S
6. Percentage of air void can be represented as __________
7. Stopping sight distance is represented(SSD) as ______________
8. Under super adiabatic lapse rate condition in an atmosphere the emission of chimney produces a plume referred as
a) lofting b) looping c) coning d) none of these
9. Hardy cross method is used to analyze ____________
10. If a soil dried beyond its shrinkage limit it will show
a) moderate volume change b) low volume change c) high volume change d) no volume change
Answers:
1. b) creep
2. b) e =1.315V²/R [hint:- for B.G track G=1.676]
3. a) 3.5 Mpa
4. fineness
5. d) C3S
6. (Vv-Vb)/V
7. vt+(v²/2gf)
8. b) looping
9. Pipe network
10. d) no volume change
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