Advanced Construction and Equipment GTU MCQ of ACE
Advanced Construction and Equipment mcq




1.Diaphragm wall is a continuous wall constructed in ground to facilitate certain construction activities like
a) As a retaining wall
b) As a form of foundat
c) As a cut-of provision to support deep excavatio
d) all the given
CORRECT ANSWERS: d


2.Diaphragm walls can be constructed to depths of
a) 100 m
b) 150 m
c) 200 m
d) 250 m
CORRECT ANSWERS: b


3.width of Diaphragm walls can be between
a) 0.5 to 1.50 meters
b) 0.5 to 2.0 meters
c) 0.5 to 3.0 meters
d) 0.5 to 4.0 meters
CORRECT ANSWERS: a


4.for the construction of Diaphragm walls which of the following criterial is applicable
a) unstable soil profile below the water table
b) Construction time is limited
c) Designable to carry vertical load
d) all the given
CORRECT ANSWERS: d


5.Which code to use for the construction of Diaphragm walls
a) IS 14343 : 1996
b) IS 13444 : 1996
c) IS 14434 : 1996
d) IS 14344 : 1996
CORRECT ANSWERS: d

6.idenfity the corredt constructoin sequence for the construction of Diaphragm walls
a) Support the trench cutting using bentonite slurry
b) Inert reinforcement and placing of concrete to form the wall panel.
c) Construct the guide wall
d) Excavation to form the diaphragm wall trench
a) c,b,d,a,        b) c, d, a, b
c) b,d,a,c,        d) d.a.c.b.
CORRECT ANSWERS: b


7.Guide wall is constructed to establish the outline of the diaphragm wall
a) true
b) false
CORRECT ANSWERS: a





8.for the construction of Diaphragm walls In normal soil condition excavation is done using
a) clamshell
b) grab suspended by cables to a crane.
c) both a and b
d) none of given
CORRECT ANSWERS: c


9.To Support the trench cutting _______is used .
a) bentonite slurry
b) cement slurry
c) lime slurry
d) all the given
CORRECT ANSWERS: a


10.For the concreting which method is used in Diaphragm walls construction?
a) bottom dump bucket method
b) toggle bagged method
c) tremie methof
d) none of given
CORRECT ANSWERS: c


11.A______is defined as a temporary structure which is constructed so as to remove water and/or soil from an area and make it possible to carry on the construction work
under reasonably dry conditions.
a) Coferdam
b) Foundation
c) Caisson
d) Spillway
CORRECT ANSWERS: a

12.A____is an embankment of some material.
a) Wall
b) Intrusion
c) Dike
d) Rock-fill
CORRECT ANSWERS: c

13._____-is the simplest form of coferdam.
       a) Single wall cofferdam
       b) Earth-fill coferdam
       c) Cellular cofferdam
      d) Rock-fill coferdam
      CORRECT ANSWERS: b


14.___type of coferdam is economical at places where rock is available in plenty.
     a) Earth dikes
     b) Sand-bags dikes
    c) Rock-fill cofferdam
    d) Single wall coferdam
    CORRECT ANSWERS: c


15.In_____type of coferdam consists of a mixture of sand and clay which is filled in a bag and placed           instead of earth or rock to form a coferdam.
     a) Cellular cofferdam
     b) Earth dikes
     c) Rock dikes
     d) Sand-bag dikes
CORRECT ANSWERS: d


16.it suitable when available working space is limited and the area to be enclosed is small.
a) Single wall cofferdam
b) Double wall coferdam
c) Dikes
d) Concrete coferdam
CORRECT ANSWERS: a

17.When the area to be enclosed is large, it becomes essential to provide the         construction so as to give stability to the coferdam.
a) Single wall cofferdam
b) Cellular coferdam
c) Double wall cofferdam
d) Suspended coferdam
CORRECT ANSWERS: c


18.is useful when depth of water is about 6 metres to 10 meters.
a) Wood or steel sheeting cofferdam
b) Ohio river type coferdam
c) Rock-filled crib cofferdam
d) Suspended coferdam
CORRECT ANSWERS: a


19.The____is made of steel sheet piles and this type of coferdam is proved successful in unwatering large areas.
a) Suspended cofferdam
b) Cellular coferdam
c) Dikes
d) Concrete coferdam
CORRECT ANSWERS: b


20.A consist of timber cribs.
a) Cellular cofferdam
b) Suspended coferdam
c) Concrete cofferdam
d) Rock-filled crib coferdam
CORRECT ANSWERS: d


21.__is to be incorporated as a part of a permanent structure which have been proved to be economical.
a) Concrete cofferdam
b) Suspended coferdam
c) Single wall cofferdam
d) Cellular coferdam
CORRECT ANSWERS: a

22.When the depth of water is from 4.5 to 6 m, the type of coeferdam used is
a) earthen cofferdam
b) rockfill coferdam
c) single-walled cofferdam
d) double walled coferdam
CORRECT ANSWERS: c


23.A Cofer Dam is a temporary structure
a) true
b) false
CORRECT ANSWERS: a

24.The maximum height of cofer dam for which total cost of cofer dam is minimum with respect to maximum storage of water is known as
a) economical height of cofer dam
b) maximum height of cofer dam
c) minimum height of cofer dam
d) none of given
CORRECT ANSWERS: a


25.selection of type of cofer dam depends on
a) materials available at site
b) possibility of overtopping by floods
c) nature of bed
d) all the given
CORRECT ANSWERS: d