Technician A says that PAFC fuel cells can use hydrogen as fuel. Technician B says that PEM fuel cells can use hydrogen as fuel. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
Question 2
Technician A says that a loaded caliper includes an overhauled caliper assembly but no brake pads or hardware. Technician B says that a loaded caliper includes the pads and all needed hardware. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
Animal & plant cells
Embryonic Stem Cells
A worn spark plug showing fuel and/or oil deposits.
Hydrogen bond
Number of cells in the brain