Unit - 5
121. The expected outturn of 2.5 cm cement concrete floor per manson per day
a. 2 sqm
b. 4.5 sqm
c. 7.5 sqm
d. 5 sqm
122. As per Indian standard specifications, the peak discharge for domestic purposes per capita per minute, is taken
a. 1.20 litres for 15 users
b. 1.35 for 20 users
c. Both a and b
d. None of above
123. Brick walls are measured in sq. m if the thickness of the wall is 10cm.
a. False
b. True
124. The height of the sink of wash basin above floor level is kept
a. 60cm
b. 80cm
c. 70cm
d. 75cm to 80cm
125. While preparing a detailed estimate?
a. Dimensions should be measured correct to 0.01 m
b. Area should be measured correct to 0.01 sqm
c. Volume should be measured correct to 0.01 cum
d. All of above
126. For 12 mm thick cement plastering 1 : 6 on 100 sq.m new brick work, the quantity of cement required, is
a. 0.44 m3
b. 0.255 m3
c. 0.274 m3
d. 0.555 m3
127. The expected outturn of cement 1:2:4 per mason day is ?
a. 5.0 m3
b. 7 m3
c. 5 m3
d. 6 m3
128. The minimum width of a septic tank is taken
a. 6 cm
b. 55 cm
c. 75 cm
d. None of above
129. The item of the brick structure measured in sq.m, is
a. Reinforce brick work
b. Brick work is arches
c. Broken glass coping
d. Brick edging
130. are engineering works created through the processing of parts of the earth’s surface involving quantities of soil or unformed rock.
a. Hosework
b. Surfacework
c. Landwork
d. Earthworks
131. An beam is one in which the tension capacity of the tensile reinforcement is smaller than the combined compression capacity of the concrete and the compression steel (under-reinforced at tensile face).
a. Over-reinforced
b. Extra-reinforced
c. Less-reinforced
d. Under-reinforced
132. When aggregate is mixed together with dry Portland cement and water, the mixture forms a fluid that is easily poured and moulded into shape.
a. Furry
b. Curry
c. Gel
d. Slurry
133. Excavation may be classified by type of material- Earth excavation
excavation, rock excavation, muck excavation, unclassified excavation.
a. Topsoil
b. Bottom soil
c. Surface soil
d. Sub soil
134. Heavy construction equipment is usually used due to the amounts of material to be moved – up to millions of cubic metres.
a. False
b. True
135. A mixture of bentonite and water used to make slurry walls.
a. False
b. True
136. Manure slurry, a mixture of animal waste, organic matter, and sometimes water often known simply as “slurry” in agricultural use, used as fertilizer after ageing in a slurry pit.
a. False
b. True
137. Prestressing concrete is a technique that decreases the load-bearing strength of concrete beams.
a. False
b. True
138. The reinforcement in an RC structure, such as a steel bar, has to undergo the same strain or deformation as the surrounding concrete in order to prevent discontinuity, slip or separation of the two materials under load.
a. True
b. False
139. In the past, earthwork excavating calculations were done by hand using a slide rule and with methods such as Simpson’s rule.
a. True
b. False
140. The coefficient of thermal expansion of concrete is very small to that of steel, eliminating large internal stresses due to differences in thermal expansion or contraction.
a. False
b. True
141. Reinforced concrete can be classified as precast or postcast concrete.
a. False
b. True
142. Reinforced concrete (RC) is a composite material in which concrete’s relatively low tensile strength and ductility are counteracted by the inclusion of reinforcement having higher tensile strength or ductility.
a. True
b. False
a. False
b. True
144. Chemical admixture may accelerate or slow down the rate at which the concrete hardens.
a. True
b. False
145. The craft of _ involves creating buildings, structures, and sculpture using stone from the earth.
a. Brick masonry
b. Cement masonry
c. Sculpture masonry
d. Stone masonry
146. are workshop-based and specialize in working the stones into the shapes required by a building’s design, this set out on templets and a bed mould.
a. Brick masons
b. Stone masons
c. Banker masons
d. Cement masons
a. None of these
b. Stone masons
c. Fixer masons
d. Cement masons
148. There are two main types of sedimentary stone used in masonry work, limestone and
a. Gravel
b. Marble
c. Limestone
d. Sandstones
149. is used as a protective and decorative covering for interior or exterior walls and surfaces.
a. Plaster
b. Putty
c. Paint
d. Stone veneer
150. The basic tools for shaping the stone are a mallet and a metal straight edge.
a. Chisels
b. Ruler
c. Knife
d. None
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