Discuss the function of cranes and hoists, and list the different types.
What will be an ideal response?
?Cranes and hoists are used to move materials and heavyfreightat outdoor locations and within buildings. The choice of system depends on the applications required and is an important design aspect of a structure. Overhead, monorail, and under-hung cranes run on rails generally supported by the structural frame of a building, so loads imposed by the crane must be carefully calculated. Cranes can also be installed withasecondarystructural system independent of the building structure.
You might also like to view...
_____________________ valves are used either to split flow between multiple circuits or tocontrol the flow andspeed of an actuator.
Fill in the blank(s) with the appropriate word(s).
Which of the following occurs in the condenser during the compression cycle?
A) The refrigerant boils to a gas. B) The water vapor condenses. C) The refrigerant changes from a gas to a liquid. D) The water vapor boils to a gas.
Use the accompanying figure to compute angle R to the nearest minute. Angle A = 48o and angle B = 51o.
A. 25o17' B. 48o2' C. 49o21' D. 41o58'
In a combination waste-and-vent system, if the trap is 1-1/2", then the drainpipe must be _____.
a. 1 inch b. 1-1/2 inches c. 2 inches d. 2-1/2 inches