Related Questions

If the length of a edge of cube X is thrice the length of an edge of cube Y, What is the ration of the volume of cube Y to the volume of cube X?
A 1/2
B 1/4
C 1/6
D 1/8
A two member committee comprising of one male and one female member is to be constitute out of five males and three females. Amongst the females. Ms. A refuses to be a member of the committee in which Mr. B is taken as the member. In how many different ways can the committee be constituted ?
A 11
B 12
C 13
D 14
Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than
A 35 MPa and 42 MPa
B 42 MPa and 35 MPa
C 42 MPa and 53 MPa
D 53 MPa and 42 MPa
For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is
A 1
B 2
C 3
D 4
High strength concrete is used in pre-stressed member
A To overcome high bearing stresses developed at the ends
B To overcome bursting stresses at the ends
C To provide high bond stresses
D All the above
How does the strength of concrete differ with age of concrete?
A Increases
B Decreases
C No effect
D Increases, then decreases
In prestressed concrete structures the primary problem is damaged caused to ____________
A Bridge decks
B Spans
C Anchorages
D Ridges
Maintaining prestressed concrete structures of various types in a fit and serviceable condition is primary function of ____________
A Maintenance engineer
B Design engineer
C Surface engineer
D Structural engineer
Prestressed concrete structures showing visible signs of distress in the form of ____________
A Surface cracks
B Patterns
C Patches
D None of the mentioned
In prestressed concrete
A Forces of tension and compression change but lever arm remains unchanged
B Forces of tension and compression remains unchanged but lever arm changes with the moment
C Both forces of tension and compression as well as lever arm changes
D Both forces of tension and compression as well as lever arm remains unchanged

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