66.

67.

68.

69.

70.

71.

72.

102/21

A post-tensioned prestressed concrete beam consists of a single tendon of area
100 നന്ന്‌. If the stress in concrete at the level of steel is 6 N/mm? and modular ratio
is 6, the loss in prestress due to elastic shortening is

A) 6 N/mm? 8) 36 N/mm?

©) 1 N/mm? 0) 0 N/mm2

The level of prestressing in a beam is such that no tensile stress is allowed in concrete
under service loads. As per IS : 1343 classification, the beam is

A) Type 1 B) Type 2

©) Type 3 D) Type 4

In a bolted connection, the centre-to-centre distance between individual fasteners in
aline, in the direction of load is called

A) Gauge distance B) Edge distance

C) Pitch D) Limiting distance

As per IS 800, the partial safety factor for materials ‏ہم‎ is in the range
‏15ھ‎ B) 1.0 to 1.25

C) 1.25 to 2.0 D) 1.0 to 1.5

When the length of a connection increases, the shear lag effect
A) Increases B) Reduces
C) Has no change D) None of the above

Geometric increase method of population forecasting is based on the assumption that
A) Growth rate is progressively increasing

B) Growth rate is constant
C) Percentage growth rate is increasing
D) Percentage growth rate is constant

Hardy-Cross Method consists of assuming a distribution of flow in the network in
such a way that
A) The principle of continuity is satisfied at each joint

B) The principle of continuity is satisfied at each junction
C) There can be discontinuity in pressure
)

D) There can be discontinuity in velocity

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