Related Questions

If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least __________ of main reinforcement.
A 40%
B 50%
C 60%
D 70%
The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than
A 18 bar diameters
B 24 bar diameters
C 30 bar diameters
D 36 bar diameters
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the
A tension in the tight side of the belt
B tension in the slack side of the belt
C sum of the tensions on the tight side and slack side of the belt
D average tension of the tight side and slack side of the belt
The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension.
A One-third
B Two-third
C Double
D Three times
Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,
A Both beams are equally economical
B Square beam is more economical
C Circular beam is more economical
D None of these
In a slab, the pitch of the main reinforcement should not exceed its effective depth
A Three times
B Four times
C Five times
D Two times
On Dhaka- Sylet highway , 5% of the drives are fined for exceeding the speed limit. However , 80% of the drivers who exceed the speed limit are not fined. What percentage of dirvers on this highway exceed the speed limit?
A 10
B 15
C 20
D 25
In a doubly-reinforced beam if ‘c’ and ‘t’ are stresses in concrete and tension reinforcement, ‘d’ is the effective depth and ‘n’ is depth of critical neutral axis, the following relationship holds good
A $$\frac{{{\text{mc}}}}{{\text{t}}} = \frac{{\text{n}}}{{{\text{d}} - {\text{n}}}}$$
B $$\frac{{{\text{m}} + {\text{c}}}}{{\text{t}}} = \frac{{\text{n}}}{{{\text{d}} + {\text{n}}}}$$
C $$\frac{{{\text{t}} + {\text{c}}}}{{\text{m}}} = \frac{{{\text{d}} + {\text{n}}}}{{\text{n}}}$$
D $$\frac{{\text{m}}}{{{\text{t}} + {\text{c}}}} = \frac{{\text{n}}}{{{\text{d}} - {\text{n}}}}$$
The tension on the slack side of the belt is __________ the tension on the tight side of the belt.
A Equal to
B Less than
C Greater than
D None of these
If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is
A $$\frac{{\text{g}}}{2}$$
B $$\frac{{\text{g}}}{3}$$
C $$\frac{{\text{g}}}{4}$$
D None of these

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