Hi-Rise office 1-4

Question 1

Which is the preferred evacuation stair?

Answer 1

A fire tower

Question 2

What is a fire tower?

Answer 2

An enclosed stairway connected at each story by an outside balcony or fireproof vestibule vented to the outside.

Question 3

Choose the correct features of a HROB built before 1945:
A. Plenum type ceilings not found
B. Exterior windows openable
C. usually not HVAC
D. Fire towers

Answer 3

All.
D- fire towers erected between 1938-1968 required to have fire towers.
2.2

Question 4

Choose correct features of HROB built after 1968:
A. lack of compartmentation
B. Exterior walls are curtain walls
C. ceiling plenums are extensive & lack fire stopping
D. exterior windows not openable

Answer 4

ALL.
2.4
CORE CONSTRUCTION USED EXTENSIVELY

Question 5

In regards to the HVAC, fire dampers will be found where? more than 1 correct
A. where air enters the return shaft from the plenum on each floor.
B. wherever air flows through a rated fire partition.
C. where ducts meet the supply airshaft
D. in the periphery of the bldg.

Answer 5

ABC

3.2.8 B3, C3

Question 6

How shall HVAC systems be placed in non-circulating mode?

Answer 6

open all outside air supply dampers
close all mixing dampers
open all exhaust dampers
3.3.3

Question 7

The 1968 bldg. code requires a manual fire pump to supplement the standpipe system when bldgs. are over?
A. 250'
B. 300'
C. 75'
D. 100'

Answer 7

B.
The 1938 code is 250’
4.1.1

Question 8

Some fire pumps are quite complex. The ECC assigned to operate the pump shall locate the by-pass valve & ensure its in the closed position. If in the event the ECC cant figure it out & operates the pump w/ the valve open a loss of \_\_\_\_\_ can be expected in an 8" riser?
A. 25%
B. 30%
C. 45% 
D. 80%

Answer 8

A. 25%
if its a 6” riser a loss of 45% can be expected if the by-pass is left open.
4.1.2 D & E

Question 9

Agree/Disagree: E-308’s ECC is charged w/ starting a bldgs. fire pumps. He does so in the following order, closes the knife switch to on position, closes circuit breaker, pushes start button, moves the selector lever to desired position increasing pump speed.

Answer 9

AGREE.

4.1.4

Question 10

How shall E-308’s ECC maintain communication w/ the fire command station?

Answer 10

HT or fire command station phone located in pump room.

4.1.6

Question 11

When a bldg. is equipped w/ 2 manual fire pumps as is the case in most hi-rise bldgs. , Does E-308’s ECC start both?

Answer 11

Yes.
each pump will have its own control panel & both shall be started & used.
4.1.8 F

Question 12

What is the primary water supply for firefighting in most ops.?
A. standpipe system
B. Fire pumps room
C. F.D. engines
D. gravity tanks

Answer 12

C.

4.2.3