Elevator and stair shafts in building cores are often constructed by using a type of _____
a. sliding form
b. climbing form
c. slip form
d. jack-raised form
b
You might also like to view...
Answer the following statement(s) true (T) or false (F)
1. The NEC tables list the amount of current that the motor is expected to draw under a full load condition. 2. The values listed in Table 430.248 are for motors that operate under high speeds and torques. 3. Table 430.250 is used to determine the full load current of two phase motors. 4. One of the factors that must be taken into consideration when determining the conductor size is the temperature rating of the devices and terminals. 5. Most motor circuits are protected by dual-element time delay fuses or inverse time circuit breakers.
Two technicians are discussing electronic vacuum operated front hub systems. Technician A says that vacuum is used to engage the hub with the drive axle. Technician B says that vacuum is used to release the hub from the drive axle. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Scientists have known for years that cells infected with viruses manufacture and release a substance called _____________________
Fill in the blank(s) with correct word
An energy-saving construction system developed by the Arkansas Power and Light Company uses 2* 6 wall studs spaced ____ inches OC (on center).
a.2 b.6 c.12 d.24