NASCLA ACCREDITED EXAM ACTUAL EXAM 250
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) | AGRADE
Elevator call buttons .....ANSWER.....Raised or flush, minimum
diameter of 1 inch
Swell factor .....ANSWER.....Change in hauling and equipment
efficiency
Front loading washing machine .....ANSWER.....Maximum
allowable offset for clear floor space
Employer on a jobsite .....ANSWER.....Not required to provide
defibrillator
Project contract .....ANSWER.....Lump sum, retainage, final
payment amount
Vapor retarder .....ANSWER.....Installed around both layers of
insulation
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Individuals working in a trench .....ANSWER.....Maximum lateral
distance from means of egress
Lightweight curtain wall .....ANSWER.....Building insulation and
external panels
Shoring system .....ANSWER.....Prevents potential shoring failure
Hotel with 20 sleeping rooms .....ANSWER.....Minimum number of
visible fire alarm notification devices
Personal fall arrest systems and guardrails
.....ANSWER.....Installed or provided for walkways and platforms
Finishing concrete .....ANSWER.....Excessive moisture loss likely to
cause plastic shrinkage cracking
Income recognition method .....ANSWER.....Recognizes income
when work is done but not received
Waffle slab floor .....ANSWER.....Formed by metal or plastic
resting on a flat deck