1.Mobile crane NCCER maintenance and
inspections Exam Questions and
Answers
Inspections that are mandated are referred to as what type of inspections? - Answer-
compliance inspections
frequent inspections are conducted in what intervals - Answer-daily-to monthly
periodic inspections are much deeper than frequent inspections and conducted in what
intervals - Answer-monthly- yearly intervals (1-12 months)
Monthly inspections documentation must be retained by employer conducting the
inspections for a minimum of ____ months - Answer-three (3)
Annual inspections documentation must be retained for a minimum of______ year(s) -
Answer-1 (one)
What is safety data sheet - Answer-A documentation that accompany and hazards
substance. it identifies the substance & provides the exposure limits, physical &
chemical characteristics, the kind of hazard it presents, precautions for safe handling &
use specific control measures
What is the purpose of lubricants - Answer-use to reduce friction between surfaces, and
helps transfer heat from moving parts
Batteries produce_____ acid and ______ gas - Answer-acoustic, hydrogen
When you check air-filter and find light dust how do you clean it? - Answer-compressed
air blowing away from machine parts (inside-out)
How does an operator check the hydraulic fluid level on their crane? - Answer-using a
sight glass on the reservoir
probe-dipstick
What is the purpose of a hydrometer - Answer-test coolant, determine the ratio of
antifreeze to water & therefore the freezing point of the mixture
What are 2 primary bases for antifreeze products - Answer-Propylene glycol & ethylene
glycol
inspections Exam Questions and
Answers
Inspections that are mandated are referred to as what type of inspections? - Answer-
compliance inspections
frequent inspections are conducted in what intervals - Answer-daily-to monthly
periodic inspections are much deeper than frequent inspections and conducted in what
intervals - Answer-monthly- yearly intervals (1-12 months)
Monthly inspections documentation must be retained by employer conducting the
inspections for a minimum of ____ months - Answer-three (3)
Annual inspections documentation must be retained for a minimum of______ year(s) -
Answer-1 (one)
What is safety data sheet - Answer-A documentation that accompany and hazards
substance. it identifies the substance & provides the exposure limits, physical &
chemical characteristics, the kind of hazard it presents, precautions for safe handling &
use specific control measures
What is the purpose of lubricants - Answer-use to reduce friction between surfaces, and
helps transfer heat from moving parts
Batteries produce_____ acid and ______ gas - Answer-acoustic, hydrogen
When you check air-filter and find light dust how do you clean it? - Answer-compressed
air blowing away from machine parts (inside-out)
How does an operator check the hydraulic fluid level on their crane? - Answer-using a
sight glass on the reservoir
probe-dipstick
What is the purpose of a hydrometer - Answer-test coolant, determine the ratio of
antifreeze to water & therefore the freezing point of the mixture
What are 2 primary bases for antifreeze products - Answer-Propylene glycol & ethylene
glycol
