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Strength Materials
Strength Materials Multiple Choice
Quiz 1
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Q.1
The economical spacing of roof trusses works out to be _________ span.
a) 1/2 to 1/5 span
b) 1/3 to 1/5 span
c) 1/2 to 1/3 span
d) 1/4 to 1/6 span
Q.2
The top chord members of roof truss is called ___________
a) Common rafters
b) Principal rafters
c) Main tie
d) Pitch
Q.3
The bottom chord member of truss is known as ___________
a) Main tie
b) Principal rafters
c) Common rafters
d) Purlins
Q.4
_______ is a roof beam supported by roof truss.
a) Ridge line
b) Eve
c) Principal rafter
d) Purlins
Q.5
The ratio of rise to span of truss is called a ___________
a) Slope
b) Splay
c) Pitch
d) Tie
Q.6
The angle of repose is zero for ______________
a) Water
b) Masonry
c) Soil
d) Cement
Q.7
Biological Oxygen Demand (BOD) of safe drinking water must be ________
a) 10
b) 15
c) 5
d) 0
Q.8
The most common coagulant is _____________
a) Magnesium sulphate
b) Alum
c) Chlorine
d) Salt
Q.9
The process of forming thick gelatinous precipitates is known as ___________
a) Sedimentation
b) Flocculation
c) Coagulation
d) Filtration
Q.10
What is the desirable limit of calcium in drinking water?
a) 45 mg/l
b) 60 mg/l
c) 75 mg/l
d) 90 mg/l
Q.11
Oxidation is done in __________ method.
a) Sedimentation
b) Filtration
c) Coagulation
d) Aeration
Q.12
Which of the following is a method of aeration?
a) Mechanical straining
b) Cascades
c) Biological metabolism
d) Electrolytic changes
Q.13
Which of the following is not a method of chlorination?
a) As bleaching powder
b) As free chlorine gas
c) As chloramines
d) Use of chloramines
Q.14
Bulk modulus is denoted by __________
a) A
b) E
c) K
d) V
Q.15
The stress corresponding to 0.of strain in the stress-strain curve is _________
a) Proof stress
b) Working stress
c) Direct stress
d) Tenacity
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