B-4 Flashcards
1
Q
A sheet of plywood subfloor covers 32 sq.ft and requires 43 screws for fastening. The floor area is 960 sq.ft How many screws are required in total?
A
x = (960 divided by 32 ) x 43
x = 30 x 43
x = 1290
2
Q
What is the name for an
angle less than 90 degrees?
90 degree angle?
angle above 90 but less than 180 degrees
180 degree angle
A
An acute angle
Right angle
Obtuse angle
Straight angle
3
Q
Feet converted to metric
A
1’ = 305mm
4
Q
Convert feet and inches to metric
A
25.4mm = 1”
305mm = 1’
5
Q
ur mixing boat gasoline and oil at a ratio of 50:1 u need 30 liters of fuel for the day. How much oil do u need to add?
A
30/50 = 0.6
6
Q
how to find perimeters
A
check phone
7
Q
how to find area of circle
A
pi radius2(square)
8
Q
What is the surface area of a sheet of standard plywood?
A
32 sq.ft/10.76 = 2.977 M cube
