When using a step ladder, never stand on the _____________________.
A. top step
B. top cap
C. horizontal bars on the back of the ladder
D. a, b, and c
Answer: D
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Technician A says that an ABS ECU reads the frequency produced by a wheel speed sensor and interprets it as wheel speed. Technician B says that the basis of hydraulic ABS is that hydraulic pressure to the brakes over one wheel is relieved when a lockup condition is sensed. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
(a) Draw the influence line for the positive moment at B (Figure P12.53). (b) If the beam carries a uniformly distributed live load of 2 kips/ft that can act on all or part of each span as well as a concentrated live load of 20 kips that can act anywhere, compute the maximum moment at B. (c) Determine the maximum value of live load moment at B produced by the set of wheel loads.
What is meant by bidirectional tunneling? Why do you need HA–FA in addition to the HLR–VLR pair? Explain clearly.
What will be an ideal response?
What chemical family is the basic building block for most modern refrigerants?
What will be an ideal response?