Nait 4Th Period Final Reckoning

Front 1

The function of a rain sensor used on a residential irrigation is to?

Back 1

Override the timer & turn off the irrigation system if adequate precipitation has fallen

Front 2

A compressed air system is designed so that the _____ will automatically shut it off once the desired pressure has been reached.

Back 2

Pressure control valve

Front 3

If the water in a pool is displaying greenish blue colour this is an indication that the?

Back 3

PH level is too low

Front 4

When multiple traps need protection an automatic trap primer can be used. This primer can serve _______ or more traps from a common header?

Back 4

6

Front 5

According to the NFPA the maximum water temp of a residential sprinkler system is ____ degrees Celsius?

Back 5

49

Front 6

Test

Back 6

Test

Front 7

Pressure switches for compressors should have a pressure differential of?

Back 7

15 PSI

Front 8

After coolers are installed?

Back 8

After the compressor & before the receiver

Front 9

Pre filters are installed on the

Back 9

Suction inket

Front 10

Most compressors are?

Back 10

Belt driven

Front 11

Impulse heads will spray a radius of?

Back 11

15-20’

Front 12

Medical gas labeling for Oxygen?

Back 12

Green on white

Front 13

Medical gas piping for N2O2

Aka nitrous oxide?

Back 13

White or silver on blue

Front 14

Medical gas piping for Helium?

Back 14

White or silver on brown

Front 15

Medical gas piping for Nitrogen?

Back 15

White or silver on black

Front 16

Medical gas piping for CO2?

Back 16

Black on grey

Front 17

Medical gas piping for medical air?

Back 17

Black & white checkered lettering on black & white background

Front 18

Medical gas piping for medical vacuum?

Back 18

Silver or black on yellow

Front 19

What can be used to clean gas piping?

Back 19

Trisodium phosphate

Or

Sodium carbonate

Front 20

Residential bury depth of lawn irrigation? Commercial bury depth of lawn irrigation?

Back 20

Residential 6-12”

Commercial 12-18”

Front 21

Minimum dimensions of a barrier free washroom?

Back 21

1500 x 1500

Front 22

Flood level rim of toilet?

Back 22

430 +/- 30 mm

Front 23

Height from ground of barrier free switches? Ex tstat intercoms fire alarms

Back 23

1200 mm max

Front 24

Easily operable definition?

Back 24

Controls which can be operated with one hand with a force of 22N or 4.95 pounds

Front 25

Height of grab bar in barrier free washroom?

Back 25

315 mm +/- 15 above water closet

Front 26

Door opening on barrier free washroom?

Back 26

760 minimum

Front 27

Rough in dimension for barrier free w/c from finished side wall?

Back 27

460-480mm.

Front 28

Sink dimensions for barrier free washroom?

Back 28

Flood level rim 865mm min.

Front edge 735mm min.

Exposed parts to be insulated & guarded