Worksheetsoctober 11,sunday quiz
Total questions: 15
Worksheet time: 5mins
volcanic rocks posses which structure?
extremely coarse grained
coarsely grained crystalline
extremely fine grained
fine grained
cataclastic metamorphism occurs at
at considerable depth due to direct pressure
at surface due to heat only
at surface due to direct pressure only
at considerable depth due to uniform pressure
foliated rocks are commonly seen in
igneous rocks
sedimentary rocks
volcanic rocks
metamorphic rocks
example for argillaceous rock
slate
granite
quartzite
marble
example for polyminerallic rock
quartz sand
basalt
quartz sand
magnesite
texture of rock posses round and different sizes
conchoidal
conglomerate
porphyritic
pisolitic
for a good building stone % wear should be
greater than .66%
less than or equal to 3%
greater than 5%
greater than 3%
for a good stone percentage wayer absorption by weight after 24 hours
should not exceedd 0.60
should exceed 0.6
should exceed 3%
should not exceed 3%
dynamite composition is
nitric acid and sulphuric acid
sandy earth and sulphuric acid
sandy earth and saltpetre
sandy earth and nitroglycerin
blasting powder composition
nitric acid and sulphuric acids
sandy earth and niroglycerin
charcoal,saltpetre and sulphur
charcoal ,sandy earth,nitic acid
fixed beam is also calle as
overhanging beam
constrained beam
encaster beam
both b and c
permissible stress also known as
working stress
ultimate stress
yeild stress
breaking stress
if E=K THEN value of poissons ratio
1/4
1/3
1/2
3
when a member is rigidly fixed at ends and its temperature falls its under stress
tensile
compresssive
shear
none of these
the ratio of moment of inertia of a rectangle about its centroidal axis to the moment of inertia to the base
1/3
1/4
1/2
1/6
