Technician A says that PEFC 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 D) Neither technician
C
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If a 4.7 ?F capacitor and a 10 k? resistor are connected in series across 25 VDC, approximately how much voltage will the resistor drop after charging for just one time constant?
A) 23.8 V B) 15.8 V C) 9.20 V D) 21.6 V
Technician A says that the wheel bearing on a unitized hub system should not require adjustment during the life of the hub. Technician B says that periodic topping up of oil in wheel hubs is eliminated in some types of unitized axle. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Foundation cripple walls may be a different size dimensional lumber as the walls they support
Indicate whether the statement is true or false
Which property is represented by the following: 8 x (4 + 5) = (8 x 4) + (8 x 5)?
What will be an ideal response?