Fire-rated doors are ____ allowed to have a slightly lower rating than the walls in which they are installed.
A. seldom
B. often
C. always
D. never
Answer: B
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When a cylindrical surface intersects a plane at a right angle, a(n) ____ edge is formed.
A. rectilinear B. circular C. triangular D. elliptical
When installing reinforcing mesh, an important thing to keep in mind is _____.
a. overlapping the edges of adjacent pieces of mesh b. carefully cutting the sections of mesh to shape so they fit edge to edge c. keeping the mesh sections vertical d. arranging the mesh radially on corner sections of ductwork
A customer is concerned that the navigation system does not seem to indicate the location of the vehicle properly. This is an intermittent condition. Technician A says the system may be using dead reckoning. Technician B says the system may have lost its have lost the satellite signal. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
The maximum acceptable AC ripple voltage is ________
A) 0.050 V (50mV) B) 0.100 V (100 mV) C) 0.400 V (400mV) D) 0.010 V (10mV)