DM G+1 EXAM QUESTIONS AND CORRECT ANSWERS
The cshutters cand cbottom csupport cof cnon-cantilever cslab cis cremoved cwithin ca cminimum cof c______ cdays.
7 cdays
14 cdays
28 cdays
21 cdays c- cCORRECT cANS✔✔14 cDays
Shotcrete cis cused cin c________
Repairing csurfaces
Dam csurfaces
Curved csurfaces
All cof cabove c- cCORRECT cANS✔✔All cof cabove
The cshutters cand cbottom csupport cof cnon-cantilever cbeam ccan cbe cremoved cwithin ca cminimum cof c____
7 cdays
14 cdays
28 cdays
21 cdays c- cCORRECT cANS✔✔14 cdays
Bitumen cis cused cin cconstruction cto cprovide c______
Protective cSurface
Shining csurface
Decorative csurface
All cof cabove c- cCORRECT cANS✔✔Protective cSurface
First ctest con cconcrete cis cdone cafter c______days
7 cdays
14 cdays
28 cdays
3 cdays c- cCORRECT cANS✔✔7 cdays
Core csamples care ctaken cfor cfinding c____
Tensile cstrength
Compressive cstrength
Water cabsorption
Surface chardness c- cCORRECT cANS✔✔Compressive cstrength
Rebound cSchmidt chammer ctest cis c_____
Destructive ctest
Non-destructive
Cohesion ctest
All cof cabove c- cCORRECT cANS✔✔Non-destructive
Core csamples care ctaken cafter c_____ cdays
7 cdays
14 cdays
28 cdays
10 cdays c- cCORRECT cANS✔✔28 cdays
Density cof cAluminium cis c_____Kg/m3 cin cnormal ctemperature.
3500
2700
2500
3000 c- cCORRECT cANS✔✔2700
Which ctype cof ccement cis cused cin cnormal cslabs c____
SRC
OPC
Non-shrinkage
Rapid chardening c- cCORRECT cANS✔✔OPC
, Density cof cSteel cis c_____ cKg/m3
7000
8000
6500
7800 c- cCORRECT cANS✔✔7800
Contractors cuse cblankets cover cfresh cconcrete cto c____
Increase cevaporation
Reduce cevaporation
Be crapid charden
Avoid csulphate cattack c- cCORRECT cANS✔✔Reduce cevaporation
The cdensity cof clightweight cconcrete cis c____ cKg/m3
1000
2000
300
1300 c- cCORRECT cANS✔✔1300
How cmany ccube csamples crequired cfor c110cum cconcrete con ca csingle cday?
18
12
9
6 c- cCORRECT cANS✔✔6
Adding cmore cwater cto cconcrete cmix cits cworkability c____
Decrease
Remain csame
Increase
No ceffect c- cCORRECT cANS✔✔Increase
Density cof cACC cblock cis c_____ cKg/m3
500
550
700
600 c- cCORRECT cANS✔✔600
Compaction cof cconcrete cis cdone cto c_____
Increase cstrength
Increase cdurability
Remove cair
All care crequired c- cCORRECT cANS✔✔All care crequired
Proper ccuring cof cconcrete cshould cbe ccontinued cfor c____ cdays.
7
14
10
28 cdays c- cCORRECT cANS✔✔7 cdays
The caverage cstrength cof ccubes cat cthe cend cof c28 cdays cshould cbe c____
Greater cthan cfc' cby c15%
Greater cthan cor cequal cto cfc'
Equal cto cor cless cthan cfc' cby c15%
Greater cthan cfc' cby c1.15 ctimes c- cCORRECT cANS✔✔Greater cthan cor cequal cto cfc'
Compaction cof cconcrete cis cdone cto c____
Increase cstrength
Increase cdurability
Remove cair
All cof cabove c- cCORRECT cANS✔✔All cof cabove
When ccasting cif cthe ctemperature cof cconcrete cmix cis cabove c32C0, cthan chow cshould cyou cbring cthe ctemperature cof cthe cmix
cdown cto c32 cor cless?
Adding cwater
Adding cfly cash
Adding csilica
Adding cice c- cCORRECT cANS✔✔Adding cice
Structural celement cthat cholds cthe cearth cretaining cwall cis c____
Stem
Shear ckey
Foundation c(toe c& cheel)
Toe c- cCORRECT cANS✔✔Foundation c(toe c& cheel)
Minimum camount cof csteel crequired cin cnormal ccolumn cis c____
2%
The cshutters cand cbottom csupport cof cnon-cantilever cslab cis cremoved cwithin ca cminimum cof c______ cdays.
7 cdays
14 cdays
28 cdays
21 cdays c- cCORRECT cANS✔✔14 cDays
Shotcrete cis cused cin c________
Repairing csurfaces
Dam csurfaces
Curved csurfaces
All cof cabove c- cCORRECT cANS✔✔All cof cabove
The cshutters cand cbottom csupport cof cnon-cantilever cbeam ccan cbe cremoved cwithin ca cminimum cof c____
7 cdays
14 cdays
28 cdays
21 cdays c- cCORRECT cANS✔✔14 cdays
Bitumen cis cused cin cconstruction cto cprovide c______
Protective cSurface
Shining csurface
Decorative csurface
All cof cabove c- cCORRECT cANS✔✔Protective cSurface
First ctest con cconcrete cis cdone cafter c______days
7 cdays
14 cdays
28 cdays
3 cdays c- cCORRECT cANS✔✔7 cdays
Core csamples care ctaken cfor cfinding c____
Tensile cstrength
Compressive cstrength
Water cabsorption
Surface chardness c- cCORRECT cANS✔✔Compressive cstrength
Rebound cSchmidt chammer ctest cis c_____
Destructive ctest
Non-destructive
Cohesion ctest
All cof cabove c- cCORRECT cANS✔✔Non-destructive
Core csamples care ctaken cafter c_____ cdays
7 cdays
14 cdays
28 cdays
10 cdays c- cCORRECT cANS✔✔28 cdays
Density cof cAluminium cis c_____Kg/m3 cin cnormal ctemperature.
3500
2700
2500
3000 c- cCORRECT cANS✔✔2700
Which ctype cof ccement cis cused cin cnormal cslabs c____
SRC
OPC
Non-shrinkage
Rapid chardening c- cCORRECT cANS✔✔OPC
, Density cof cSteel cis c_____ cKg/m3
7000
8000
6500
7800 c- cCORRECT cANS✔✔7800
Contractors cuse cblankets cover cfresh cconcrete cto c____
Increase cevaporation
Reduce cevaporation
Be crapid charden
Avoid csulphate cattack c- cCORRECT cANS✔✔Reduce cevaporation
The cdensity cof clightweight cconcrete cis c____ cKg/m3
1000
2000
300
1300 c- cCORRECT cANS✔✔1300
How cmany ccube csamples crequired cfor c110cum cconcrete con ca csingle cday?
18
12
9
6 c- cCORRECT cANS✔✔6
Adding cmore cwater cto cconcrete cmix cits cworkability c____
Decrease
Remain csame
Increase
No ceffect c- cCORRECT cANS✔✔Increase
Density cof cACC cblock cis c_____ cKg/m3
500
550
700
600 c- cCORRECT cANS✔✔600
Compaction cof cconcrete cis cdone cto c_____
Increase cstrength
Increase cdurability
Remove cair
All care crequired c- cCORRECT cANS✔✔All care crequired
Proper ccuring cof cconcrete cshould cbe ccontinued cfor c____ cdays.
7
14
10
28 cdays c- cCORRECT cANS✔✔7 cdays
The caverage cstrength cof ccubes cat cthe cend cof c28 cdays cshould cbe c____
Greater cthan cfc' cby c15%
Greater cthan cor cequal cto cfc'
Equal cto cor cless cthan cfc' cby c15%
Greater cthan cfc' cby c1.15 ctimes c- cCORRECT cANS✔✔Greater cthan cor cequal cto cfc'
Compaction cof cconcrete cis cdone cto c____
Increase cstrength
Increase cdurability
Remove cair
All cof cabove c- cCORRECT cANS✔✔All cof cabove
When ccasting cif cthe ctemperature cof cconcrete cmix cis cabove c32C0, cthan chow cshould cyou cbring cthe ctemperature cof cthe cmix
cdown cto c32 cor cless?
Adding cwater
Adding cfly cash
Adding csilica
Adding cice c- cCORRECT cANS✔✔Adding cice
Structural celement cthat cholds cthe cearth cretaining cwall cis c____
Stem
Shear ckey
Foundation c(toe c& cheel)
Toe c- cCORRECT cANS✔✔Foundation c(toe c& cheel)
Minimum camount cof csteel crequired cin cnormal ccolumn cis c____
2%
