Related Questions

A ladder is resting against a vertical wall and its bottom is 2.5 m away from the wall. If it slips 0.8 m down the wall, then its bottom will move away from the wall by 1.4 m. What is the length of the ladder?
A 6.2 m
B 6.5 m
C 6.8 m
D \7.5 m
The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is
A 1.5
B 1
C $$\sqrt 2 $$
D None of these
If ‘H’ is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be
A 0.75 H
B 0.85 H
C 1.0 H
D 1.5 H
The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing and R = Radius of bearing surface)
A $$\frac{1}{2}$$μWR
B $$\frac{2}{3}$$μWR
C $$\frac{3}{4}$$μWR
D μWR
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.
A 10 times
B 5 times
C 15 times
D 20 times
The vertical sides of a door and window openings provided in a wall, are known as
A Verticals
B Reveals
C Jambs
D None of these
Area of openings for buildings of large permeability is more than
A 10% of wall area
B 20% of wall area
C 30% of wall area
D 50% of wall area
The timber floor not spanning on the masonry wall but properly anchored to the wall gives
A Lateral restraint but not rotational restraint
B Rotational restraint but not lateral restraint
C Both lateral and rotational restraints
D Neither lateral nor rotational restraint
The minimum strength of the mortar used in load bearing brick masonry, is
A 50 N/cm2
B 100 N/cm2
C 150 N/cm2
D 200 N/cm2
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.
A $$\frac{{\text{H}}}{3}$$
B $$\frac{{\text{H}}}{2}$$
C $$\frac{{2{\text{H}}}}{3}$$
D $$\frac{{3{\text{H}}}}{4}$$

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