Ear plugs are primarily worn by welders to protect their ears from _____
a. sparks
b. welding noise
c. interruptions
d. inert gases
a
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Technicians should be instructed to clean leaves, using a commercial leaf cleaner, about ____ per year
or more if needed.
a. five times c. three times b. twice d. four times
Technician A says that whenever a floor jack is used to raise a vehicle off the ground safety stands should be used to support the vehicle. Technician B says that the floor jack can support the vehicle safely as long as it is just for a short time. Who is right??
A) A only B) B only C) Both A and B D) Neither A nor B
When checking stability, how high should the vehicle be raised?
A) About 12 inches (30 cm) B) About 2 inches (5 cm) C) About 6 inches (15 cm) D) About 3 feet (91 cm)
The recommended horizontal overlap for vinyl siding panels is _____
a. 1/2" b. 5/8" c. 3/4" d. 1"