Question

nccer 22104 - 12 - basic operational techniques
the engine air filter is generally located
in front of the radiator
in the operators cab
behind the muffler
inside a metal canister

Explanation:

The engine air - filter is typically housed inside a metal canister to protect it and ensure proper air intake for the engine. It is not located in front of the radiator (which is for cooling the engine coolant), not in the operator's cab (which is for the driver and passengers), and not behind the muffler (which is part of the exhaust system).

Answer:

D. inside a metal canister