Deck 40: HVAC Plumbing Drawings

Question 1

A plumbing riser diagram is used to indicate design intent and a piping route.

Answer 1

False

Question 2

The accompanying figure shows an assortment of mechanical symbols. What is the second symbol from the bottom?

A) Rectangular ceiling diffuser
B) Round ceiling diffuser
C) Flexible connection
D) Transition

Answer 2

C

Question 3

A ____ is a unit that combines a means of mixing room air and outside air to ventilate the room while also warming it.

A) unit ventilator
B) space heater
C) ventilation mixer
D) mix unit

Answer 3

A

Question 4

____ (FCU) are intended to provide more heat than ventilation.

A) Fan cabinet units
B) Field cabinet units
C) Fan coil units
D) Field coil units

Question 5

The accompanying figure shows an assortment of mechanical symbols. What is the second symbol from the top?

A) Rectangular ceiling diffuser
B) Round supply duct turned down
C) Flexible connection
D) Transition

Question 6

The accompanying figure shows an assortment of mechanical symbols. What is the third symbol from the bottom?

A) Diaphragm valve
B) Angle globe valve
C) Angle gate valve
D) Butterfly valve

Question 7

Ducts are easier than pipes to coordinate with structural elements.

Question 8

____ (CUH) mount on the surface of the wall and do not have ventilation capability.

A) Cart unit heaters
B) Cabinet unit heaters
C) Closed unit heaters
D) Cubic unit heaters

Question 9

The accompanying figure shows an assortment of mechanical symbols. What is the symbol at the top?

A) Diaphragm valve
B) Angle globe valve
C) Ball valve
D) Butterfly valve

Question 10

The accompanying figure shows an assortment of mechanical symbols. What is the symbol at the top?

A) Round ceiling diffuser
B) Round supply duct turned down
C) Flexible connection
D) Transition

Question 11

In some spaces, such as stairways and storage closets, the heaters are not labeled as UV (unit ventilators).

Question 12

The accompanying figure shows an assortment of mechanical symbols. What is the second symbol from the bottom?

A) Diaphragm valve
B) Angle globe valve
C) Angle gate valve
D) Butterfly valve

Question 13

The accompanying figure shows an assortment of mechanical symbols. What is the second symbol from the top?

A) Diaphragm valve
B) Angle globe valve
C) Ball valve
D) Butterfly valve

Question 14

The heating, ventilating, and air-conditioning system for a building larger than a single-family house is designed by an engineer who specializes in this work.

Question 15

On the heating plan, a solid line indicates ____ pipes.

A) lead
B) water
C) supply
D) return

Question 16

A louvered grille in the room receives the air and channels it into a duct that carries it to the roof, where a fan exhausts it to the outside.

Question 17

The accompanying figure shows an assortment of mechanical symbols. What is the symbol in the middle?

A) Rectangular ceiling diffuser
B) Round ceiling diffuser
C) Flexible connection
D) Transition

Question 18

The accompanying figure shows an assortment of mechanical symbols. What is the third symbol from the top?

A) Diaphragm valve
B) Angle globe valve
C) Ball valve
D) Butterfly valve

Question 19

The accompanying figure shows an assortment of mechanical symbols. What is the symbol at the bottom?

A) Rectangular ceiling diffuser
B) Round ceiling diffuser
C) Flexible connection
D) Transition

Question 20

The storm drain and the sanitary drain are the same system.

Question 21

A(n) ____ grille in the room receives the air and channels it into a duct that carries it to the roof, where a fan exhausts it to the outside.

A) exhaust
B) unit
C) ventilated
D) louvered

Question 22

A solid line indicates supply pipes and a ______________ line indicates return pipes.

A) circular
B) curved
C) dashed
D) dotted

Question 23

The accompanying figure shows two plumbing symbols. What is the symbol at the bottom?

A) Urinal
B) Wall-mounted lavatory
C) Shower
D) Water heater

Question 24

The common method for showing pipes where both horizontal and vertical layout is involved is to use __________.

A) solid circuit
B) isometric schematics
C) power circuit
D) plan views

Question 25

A note where each line passes through the building wall indicates the ____ elevation (elevation of the bottom of the inside of the pipe).

A) obverse
B) negative
C) invert
D) reverse

Question 26

On the First Floor Plumbing Plan the storm drain is represented by a heavy dashed line, indicating that it is ____.

A) above grade
B) below grade
C) in need of renovation
D) unused

Question 27

The accompanying figure shows an assortment of mechanical symbols. What is the symbol at the bottom?

A) Plug valve
B) Angle globe valve
C) Angle gate valve
D) Butterfly valve

Question 28

The accompanying figure shows two plumbing symbols. What is the symbol at the top?

A) Urinal
B) Wall-mounted lavatory
C) Shower
D) Water heater