Construction Methods Flashcards
Swell (1661kg/m3, 1186 kg/m3)
a. 10%
b. 20%
c. 30%
d. 40%
d. 40%
Shrinkage (1661kg/m3, 1186 kg/m3)
a. 10%
b. 20%
c. 30%
d. 40%
b. 20%
Load & Shrinkage Factor (1163kg/LCM, 1661 kg/BCM, 2077 kg/CCM)
a. LF = 0.70 ; SF = 0.80
b. LF = 0.80 ; SF = 0.80
c. LF = 0.70 ; SF = 0.70
d. LF = 0.70 ; SF = 0.70
a. LF = 0.70 ; SF = 0.80
Bank Volume & Compacted Volume (1163kg/LCM, 1661 kg/BCM, 2077 kg/CCM)
a. BV = 310,415 BCM ; CV = 332,248 CCM
b. BV = 415,310 BCM ; CV = 332,248 CCM
c. BV = 332,248 BCM ; CV = 415,310 CCM
d. BV = 415,310 BCM ; CV = 248,310 CCM
b. BV = 415,310 BCM ; CV = 332,248 CCM
Triangular spoil bank
a. B = 7.45 m ; H = 2.08 m
b. B = 7.45 m ; H = 2.80 m
c. B = 7.54 m ; H = 2.80 m
d. B = 7.54 m ; H = 2.08 m
b. B = 7.45 m ; H = 2.80 m
Conical spoil pile
a. D = 11.06 m ; H = 3.71 m
b. D = 11.60 m ; H = 3.17 m
c. D = 10.61 m ; H = 3.71 m
d. D = 10.13 m ; H = 3.17 m
d. D = 10.13 m ; H = 3.17 m
Excavation required for trench
a. 255 BCM
b. 252 BCM
c. 355 BCM
d. 352 BCM
a. 255 BCM
Actual bucket load for a loader bucket
a. 2.75 BCM
b. 2.57 BCM
c. 3.75 BCM
d. 3.57 BCM
a. 2.75 BCM
Small hydraulic excavator
a. 131 LCM/hr
b. 113 LCM/hr
c. 121 LCM/hr
d. 112 LCM/hr
b. 113 LCM/hr
Hydraulic shovel
a. 190 LCM/h
b. 240 LCM/h
c. 290 LCM/h
d. 140 LCM/h
c. 290 LCM/h
Dragline production
a. 165 LCM/h
b. 175 LCM/h
c. 185 LCM/h
d. 195 LCM/h
a. 165 LCM/h
Clamshell excavating
a. 53 LCM/h
b. 35 LCM/h
c. 55 LCM/h
d. 33 LCM/h
a. 53 LCM/h
Wheel-tractor scraper (ascending)
a. TR = 9100 kg ; EG = 10%
b. TR = 4550 kg ; EG = 10%
c. TR = 9100 kg ; EG = 0%
d. TR = 4550 kg ; EG = 10%
a. TR = 9100 kg ; EG = 10%
Wheel-tractor scraper (descending)
a. TR = 9100 kg ; EG = 10%
b. TR = 0kg ; EG = 10%
c. TR = 9100 kg ; EG = 0%
d. TR = 0 kg ; EG = 0%
d. TR = 0 kg ; EG = 0%
Crawler tractor
a. 5335 kg
b. 3355 kg
c. 3535 kg
d. 5535 kg
d. 5535 kg
Four wheel drive
a. Because the maximum pull as limited by traction is GREATER than the required pull, the tractor CANNOT perform under these condition.
b. Because the maximum pull as limited by traction is GREATER than the required pull, the tractor CAN perform under these condition.
c. Because the maximum pull as limited by traction is LESS than the required pull, the tractor CANNOT perform under these condition.
d. Because the maximum pull as limited by traction is LESS than the required pull, the tractor CAN perform under these condition.
c. Because the maximum pull as limited by traction is LESS than the required pull, the tractor CANNOT perform under these condition.
Power-shift crawler tractor
a. 127 LCM/h
b. 172 LCM/h
c. 217 LCM/h
d. 271 LCM/h
d. 271 LCM/h
Wheel loader excavating sand and gravel
a. 168 LCM/h
b. 186 LCM/h
c. 157 LCM/h
d.175 LCM/h
a. 168 LCM/h
Single-engine two-axle tractor scraper
a. 129 BCM/h
b. 192 BCM/h
c. 219 BCM/h
d. 291 BCM/h
b. 192 BCM/h
Estimated cycle time for a wheel scraper
a. Back track = 2 ; chain = 3
b. Back track = 2 ; chain = 2
c. Back track = 3 ; chain = 3
d. Back track = 3 ; chain = 2
d. Back track = 3 ; chain = 2
Scraper fleet
a. 1112 BCM/h
b. 1221 BCM/h
c. 2111 BCM/h
d. 2211 BCM/h
a. 1112 BCM/h
Shovel/truck operation
a. No of trucks required = 10 ; Expected production 212 BCM/h
b. No of trucks required = 11 ; Expected production 221 BCM/h
c. No of trucks required = 11 ; Expected production 212 BCM/h
d. No of trucks required = 10 ; Expected production 221 BCM/h
c. No of trucks required = 11 ; Expected production 212 BCM/h
Shovel/truck operation (if two trucks are removed)
a. 268 BCM/h
b. 286 BCM/h
c. 186 BCM/h
d. 168 BCM/h
c. 186 BCM/h
Gravel road
a. 21.1 h
b. 22.1 h
c. 23.1 h
d. 24.1 h
c. 23.1 h