TCM 427 Exam Questions & Answers
(Grade A+)
3 Significant Developments after World War II -
correct answer ✅•High-strength Steels
•Nylon Cord Tires
•High-output Diesel Engines
High-strength Steels -
correct answer ✅Before the war, machine frames had been
constructed with steels of 30,000- to 35,000-psi range. After the
war, 40,000-45,000 psi, much better fatigue properties
This reduced the overall weight of equipment e.g. trucks from
25000 to 16000 lbs.
Nylon Cord Tires -
correct answer ✅cord material in tire structures made larger tires
with increased load capacity and heat resistance a practical reality.
High-output Diesel Engines -
correct answer ✅•Compression ratios and engine speeds were
raised.
, TCM 427 Exam Questions & Answers
(Grade A+)
•the art of turbocharging was perfected, resulting in a 10 to 15%
increase in flywheel horsepower.
The construction contractor's ability to win contracts and to
perform them at a profit is determined by two vital assets: -
correct answer ✅People and Equipment
Equipment Spread -
correct answer ✅•Groups of machines that work together to
accomplish a task.
•Machines to excavate, haul, place and compact soil.
Equipment intensive projects= -
correct answer ✅Financial risk
Davis Bacon Act -
correct answer ✅•1931 U.S. Federal Law
•Must pay locally prevailing wages & benefits on federally funded
projects
•Intended to encourage hiring of local skilled workers
(Grade A+)
3 Significant Developments after World War II -
correct answer ✅•High-strength Steels
•Nylon Cord Tires
•High-output Diesel Engines
High-strength Steels -
correct answer ✅Before the war, machine frames had been
constructed with steels of 30,000- to 35,000-psi range. After the
war, 40,000-45,000 psi, much better fatigue properties
This reduced the overall weight of equipment e.g. trucks from
25000 to 16000 lbs.
Nylon Cord Tires -
correct answer ✅cord material in tire structures made larger tires
with increased load capacity and heat resistance a practical reality.
High-output Diesel Engines -
correct answer ✅•Compression ratios and engine speeds were
raised.
, TCM 427 Exam Questions & Answers
(Grade A+)
•the art of turbocharging was perfected, resulting in a 10 to 15%
increase in flywheel horsepower.
The construction contractor's ability to win contracts and to
perform them at a profit is determined by two vital assets: -
correct answer ✅People and Equipment
Equipment Spread -
correct answer ✅•Groups of machines that work together to
accomplish a task.
•Machines to excavate, haul, place and compact soil.
Equipment intensive projects= -
correct answer ✅Financial risk
Davis Bacon Act -
correct answer ✅•1931 U.S. Federal Law
•Must pay locally prevailing wages & benefits on federally funded
projects
•Intended to encourage hiring of local skilled workers
