Question 1

Rowlocks should not be used as a bonding arrangement for semicircular brick arches.

Accepted Answer

A) True 
 B)False  False

Question 2

A bonded soldier course is a minimum of _____ in height.

Accepted Answer

A)  4" or a half brick 
B)  8" or a whole brick 
C)  12" or a brick and a half 
D)  16" or two bricks 
A)  4" or a half brick 
B)  8" or a whole brick 
C)  12" or a brick and a half 
D)  16" or two bricks C

Question 3

Do not remove the arch forms until the arch has cured enough to carry its own weight without sagging.

Accepted Answer

A) True 
 B)False  True

Question 4

A mason should not construct an arch form but rather find a carpenter to complete this task.

Accepted Answer

A) True 
 B)False

Question 5

The back of the arch should be parged.

Accepted Answer

A) True 
 B)False

Question 6

For minor arches _____ is usually enough time for curing if the temperature is not freezing and the mortar is setting correctly.

Accepted Answer

A)  3 hours 
B)  24 hours 
C)  48 hours 
D)  3 days 
A)  3 hours 
B)  24 hours 
C)  48 hours 
D)  3 days

Question 7

Brick arches are for aesthetic purposes and should not be used to support a heavy load.

Accepted Answer

A) True 
 B)False

Question 8

If a brick must be moved after the mortar in the arch has set, fresh mortar should be applied and the brick relaid.

Accepted Answer

A) True 
 B)False

Question 9

Construction of an arch is always begun at the two ends and laid up to the center of the arch.

Accepted Answer

A) True 
 B)False

Question 10

The rule for segmental arch construction is that the minimum rise should always be _____ the width of the opening or span, if the arch is to be self supporting and not on a form.

Accepted Answer

A)  equal to one-eighth 
B)  more than one-fourth 
C)  up to one-half 
D)  no more than one-sixteenth 
A)  equal to one-eighth 
B)  more than one-fourth 
C)  up to one-half 
D)  no more than one-sixteenth

Question 11

Arch brick can be laid in several positions for semicircular arches.

Accepted Answer

A) True 
 B)False

Question 12

For arches _____ long, a good construction grade of ¾" plywood is excellent for the front and back of the arch form.

Accepted Answer

A)  up to 6' 
B)  more than 6' 
C)  between 5' and 10' 
D)  more than 10' 
A)  up to 6' 
B)  more than 6' 
C)  between 5' and 10' 
D)  more than 10'

Question 13

The mortar joints on an arch should be large to give support to the arch.

Accepted Answer

A) True 
 B)False

Question 14

The bottom mortar joint that is set on an arch form should be slightly angled inward because it must be cut out with a chisel to a depth of _____ after the arch form is removed and repointed.

Accepted Answer

A)  1" 
B)  ¾" 
C)  ½" 
D)  ¼" 
A)  1" 
B)  ¾" 
C)  ½" 
D)  ¼"

Question 15

Any type of arch needs to have flashing and weep holes installed to prevent moisture from penetrating and staying in the wall.

Accepted Answer

A) True 
 B)False

Exam 37: Construction of Semicircular and Segmental Arches

Rowlocks should not be used as a bonding arrangement for semicircular brick arches.

A bonded soldier course is a minimum of _____ in height.

Do not remove the arch forms until the arch has cured enough to carry its own weight without sagging.

A mason should not construct an arch form but rather find a carpenter to complete this task.

The back of the arch should be parged.

For minor arches _____ is usually enough time for curing if the temperature is not freezing and the mortar is setting correctly.

Brick arches are for aesthetic purposes and should not be used to support a heavy load.

If a brick must be moved after the mortar in the arch has set, fresh mortar should be applied and the brick relaid.

Construction of an arch is always begun at the two ends and laid up to the center of the arch.

The rule for segmental arch construction is that the minimum rise should always be _____ the width of the opening or span, if the arch is to be self supporting and not on a form.

Arch brick can be laid in several positions for semicircular arches.

For arches _____ long, a good construction grade of ¾" plywood is excellent for the front and back of the arch form.

The mortar joints on an arch should be large to give support to the arch.

The bottom mortar joint that is set on an arch form should be slightly angled inward because it must be cut out with a chisel to a depth of _____ after the arch form is removed and repointed.

Any type of arch needs to have flashing and weep holes installed to prevent moisture from penetrating and staying in the wall.

Safety on the Job

Basic Tools of the Trade

Learning to Use the Basic Tools

Related Equipment

Development of Clay and Shale Brick

Manufacture of Brick

Development of Concrete Block

Manufacture of Concrete Block Masonry

Mixing Mortar

Laying the Brick to the Line

Building the Brick Corner

The Development of Mortar

Types of Mortar and Their Characteristics

Introduction to Bonding

Traditional Structural and Pattern Bonds

Laying Concrete Block to the Line

Building the Block Corner

Bonding Concrete Block and Rules for Bonding

Estimating Brick Masonry by Rule of Thumb

Estimating Concrete Block Masonry Materials

Cutting With the Masonry Saw

Building a Masonry Composite Wall of Brick and Concrete Block

Cavity and Reinforced Masonry Walls

Masonry Supports, Chases, and Bearings

Movement Joints and Intersecting Walls

Installing Anchor Bolts, Brick Corbeling, and Wall Copings

Glass Block Masonry

Types of Scaffolding

Safety Rules for Erecting and Using Scaffolding

Cleaning Brick and Concrete Block

Removing Various Stains From Masonry Walls

One-Flue Chimneys

History, Theory, and Function of a Fireplace and Chimney

Design and Construction of Fireplaces and Chimneys

Multiple-Opening and Heat-Circulating Fireplaces

Development of Arches

Construction of a Jack Arch

Concrete Forms and Placing Footings

Essentials of Concrete Work

Line and Symbol Identification

The Working Drawings

Dimensions and Scales

Filters