CONCRETE TECHNOLOGY AND DESIGN OF CONCRETE STRUCTURES QUIZ

25 mm

15 mm

20 mm

50mm

30 m

60 m

45 m

20 m

35 MPa and 42 MPa

42 MPa and 35 MPa

53 MPa and 42 MPa

42 MPa and 53 MPa

the effects of temperature variations

workability

the unit weight

strength

0.37 fy

0.57 fy

0.87 fy

0.67 fy

four cantilevers

two cantilevers

one cantilever

three cantilevers

All of these

To provide adequate bond stress

To resist tensile stresses

To impart initial compressive stress in concrete

100 mm

200 mm

250 mm

150 mm

20%

10 %

5%

15%

(ii) and (iv)

(i) and (iv)

(ii) and (iii)

(i) and (iii)