NCCER MOD 4 Core Exam 2025
Questions and Answers
When using power tools, never engage the _____.
a. locking spring
b. booster
c. bit shank
d. trigger lock - --Answer --trigger lock
Most hammer drills will not hammer until pressure is _____.
a. released from the powder charge
b. reached in the hydraulic cylinder
c. detected at the trigger lock
d. applied to the drill bit - --Answer --applied to the drill bit
A Porta-Power® is an example of a(n)
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, a. electric tool
b. pneumatic tool
c. hydraulic tool
d.battery-powered tool - --Answer --c. hydraulic tool
Before replacing parts such as bits, blades, or discs on any tool, you must _____.
a. polish it with a fine steel wool
b. recharge the tool's battery
c. disconnect the power source
d. inspect them for cracks - --Answer --Disconnect power source
A pneumatic drill is commonly used _____.
a. in areas where noise is a problem
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
Questions and Answers
When using power tools, never engage the _____.
a. locking spring
b. booster
c. bit shank
d. trigger lock - --Answer --trigger lock
Most hammer drills will not hammer until pressure is _____.
a. released from the powder charge
b. reached in the hydraulic cylinder
c. detected at the trigger lock
d. applied to the drill bit - --Answer --applied to the drill bit
A Porta-Power® is an example of a(n)
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, a. electric tool
b. pneumatic tool
c. hydraulic tool
d.battery-powered tool - --Answer --c. hydraulic tool
Before replacing parts such as bits, blades, or discs on any tool, you must _____.
a. polish it with a fine steel wool
b. recharge the tool's battery
c. disconnect the power source
d. inspect them for cracks - --Answer --Disconnect power source
A pneumatic drill is commonly used _____.
a. in areas where noise is a problem
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2