Welcome to your Concrete Technology Mock test - 6
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1) The maximum value of hoop compression in a dome is given by
2) The rock which is not calcareous, is:
3) If the storey height is equal to length of RCC wall, the percentage increase in strength is
4) The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is  given by
5) In case of hand mixing of concrete, the extra cement to be added is
6) In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the  meridional force is always
7) If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the  beam is called
8) The fineness modulus of fine aggregate is in the range of
9) Maximum distance between expansion joints in structures as per IS: 456 1978 is
10) The load factors for live load and dead load are taken respectively as
11) Minimum thickness of load bearing RCC wall should be
12) The mixture of different ingredients of cement, is burnt at
13) The percentage of voids in cement is approximately
14) If X, Y and Z are the fineness modulli of coarse, fine and combined aggregates, the percentage (P)  of fine aggregates to combined aggregates, is
15) During erection, the pile of length is supported by a crane at a distance of
16) To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a  temperature between
17) A T-shaped retaining wall mainly consists of
18) Air entrainment in the concrete increases
19) In a pile of length , the points of suspension from ends for lifting it are located at
20) The most commonly used admixture which prolongs the setting and hardening time is
21) Strength of concrete increases with
22) An aggregate is said to be flaky, if its least dimension is less than
23) Permissible compressive strength of M 300 concrete grade is
24) In working stress design, permissible bond stress in the case of deformed bars is more than that in  plain bars by
25) The recommended value of modular ratio for reinforced brick work is