Question 1

Use the formulas for the hydraulic press to find F l . F s = 10 lb, r l = 6 in. and r s = 2 in.

Accepted Answer

A)  1.11 lb 
B)  100 lb 
C)  180 lb 
D)  30 lb 
E)  90 lb 
A)  1.11 lb 
B)  100 lb 
C)  180 lb 
D)  30 lb 
E)  90 lb

Question 2

Fill in the blanks. $$\begin{array} { | l | l | l | l | } 
\hline F _ { 1 } & d _ { 1 } & F _ { 2 } & d _ { 2 } \
\hline 40 \mathrm { lb } & 6 \mathrm { in } . &  { \mathrm { lb } } & 2 \mathrm { in } . \
\hline  \mathrm { lb } & 4.2 \mathrm { in } . & 972.9 \mathrm { lb } & 6.2 \mathrm { in } . \
\hline
\end{array}$$ Give each answer to one decimal place.

Accepted Answer

The answer of Fill in the blanks. \[\begin{array} { |...

Question 3

Use the formulas for the hydraulic press to solve the following problem. A force of 1,725 lb is exerted by a piston of radius 15 in. of a hydraulic press. What force was applied to its piston of radius 3 in.?

Accepted Answer

A)  345 lb 
B)  49 lb 
C)  69 lb 
D)  138 lb 
E)  2.8 lb 
A)  345 lb 
B)  49 lb 
C)  69 lb 
D)  138 lb 
E)  2.8 lb

Question 4

A 150-lb force is applied to the small piston of a hydraulic press produces a 3,000-lb force by the large piston. Find its mechanical advantage.

Accepted Answer

A)  $\frac { 200 } { 1 }$ 
B)  $\frac { 20 } { 1 }$ 
C)  $\frac { 16 } { 1 }$ 
D)  $\frac { 10 } { 1 }$ 
E)  $\frac { 18 } { 1 }$ 
A)  $\frac { 200 } { 1 }$ 
B)  $\frac { 20 } { 1 }$ 
C)  $\frac { 16 } { 1 }$ 
D)  $\frac { 10 } { 1 }$ 
E)  $\frac { 18 } { 1 }$

Question 5

Fill in the blanks. $\begin{array}{|l|l|l|l|}
\hline F_{1} & d_{1} & F_{2} & d_{2} \
\hline 20 \mathrm{lb} & 13 \mathrm{in} . & 10 \mathrm{lb} & .....\text { in. } \
\hline 110 \mathrm{lb} & .....\text { in. } & 30 \mathrm{lb} & 11 \mathrm{in.} \
\hline
\end{array}$

Accepted Answer

The answer of Fill in the blanks. \(\begin{array}{|l|l|l|l|}
\hline F_{1} &...

Question 6

Express the rate in lowest terms. $\frac { \$ 64,600 } { 1,700 \mathrm { ft } ^ { 2 } }$

Accepted Answer

A)  $38/ft 2 
B)  $380/ft 2 
C)  $37/ft 2 
D)  $41/ft 2 
E)  $43/ft 2 
A)  $38/ft 2 
B)  $380/ft 2 
C)  $37/ft 2 
D)  $41/ft 2 
E)  $43/ft 2

Question 7

Calculate the values of x and y in the following table? $$\begin{array} { | l | l | l | l | } 
\hline \multicolumn{2}{|l|} { \text { Pulley A } } & \text { Pulley B } \
\hline \text { Diameter } & \mathrm { rpm } & \text { Diameter } & \mathrm { rpm } \
\hline 34 \mathrm {~cm} & 54 & 68 \mathrm {~cm} & x \
\hline 18 \mathrm {~cm} & y & 12 \mathrm {~cm} & 96 \
\hline
\end{array}$$

Accepted Answer

A)  x = 108, y = 32 
B)  x = 27, y = 64 
C)  x = 13.5, y = 64 
D)  x = 108, y = 64 
E)  x = 13.5, y = 32 
A)  x = 108, y = 32 
B)  x = 27, y = 64 
C)  x = 13.5, y = 64 
D)  x = 108, y = 64 
E)  x = 13.5, y = 32

Question 8

Draw a sketch for the problem and solve it. A rocker arm raises oil from an oil well. On each stroke, it lifts a weight of 3 tons on a weight arm 1 ft long. What force is needed to lift the oil on a force arm 2 ft long?

Accepted Answer

A)  0.75 ton 
B)  3 tons 
C)  6 tons 
D)  12 tons 
E)  1.5 tons 
A)  0.75 ton 
B)  3 tons 
C)  6 tons 
D)  12 tons 
E)  1.5 tons

Question 9

Calculate the values of x and y in the following table.

$\begin{array}{l}
\hline { \text { Pulley A } }\quad\quad\quad\quad\quad\quad \text { Pulley B } \
\begin{array}{|l|l|}
\hline \text { Diameter } & \mathrm{rpm} \
\hline 30 \mathrm{~cm} & 150 \
\hline y \text { in. } & 40 \
\hline
\end{array}
\begin{array}{l|l|}

\hline \text { Diameter } & \mathrm{rpm} \
\hline 45 \mathrm{~cm} & x \
\hline 24 \mathrm{in} . & 20 \
\hline
\end{array}
\end{array}$

Accepted Answer

A)  x = 200, y = 24 
B)  x = 100, y = 12 
C)  x = 50, y = 6 
D)  x = 300, y = 18 
E)  x = 50, y = 18 
A)  x = 200, y = 24 
B)  x = 100, y = 12 
C)  x = 50, y = 6 
D)  x = 300, y = 18 
E)  x = 50, y = 18

Question 10

The ratio of secondary turns to primary turns in a transformer is 37 to 2. How many secondary turns are there if the primary coil has 38 turns?

Accepted Answer

A)  700 turns 
B)  703 turns 
C)  710 turns 
D)  698 turns 
E)  688 turns 
A)  700 turns 
B)  703 turns 
C)  710 turns 
D)  698 turns 
E)  688 turns

Question 11

Calculate the values of x and y in the following chart.

$\begin{array}{l}
\hline { \text { Pulley A } }\quad\quad\quad\quad\quad\quad \text { Pulley B } \
\begin{array}{ | l | l | l | l | }

\hline \text { Diameter } & \mathrm { rpm } & \text { Diameter } & \mathrm { rpm } \
\hline 36 \mathrm {~cm} & 400 & x \mathrm {~cm} & 720 \
\hline 15 \mathrm {~cm} & 300 & 24 \mathrm {~cm} & y \
\hline
\end{array}
\end{array}$

Accepted Answer

A)  x = 240, y = 1,885 
B)  x = 24, y = 188.5 
C)  x = 48, y = 375 
D)  x = 24, y = 375 
E)  x = 20, y = 187.5 
A)  x = 240, y = 1,885 
B)  x = 24, y = 188.5 
C)  x = 48, y = 375 
D)  x = 24, y = 375 
E)  x = 20, y = 187.5

Question 12

Fill in the blanks. $\begin{array} { l } 
 \hline \text { Pulley A } \quad\quad\quad\quad\quad\quad { \text { Pulley B } } \
\begin{array} { | l | l | l | l | } 
\hline \text { Diameter } & \mathrm { rpm } & \text { Diameter } & \mathrm { rpm } \
\hline 20 \mathrm {~cm} & 90 & 30 \mathrm {~cm} & \
\hline  \mathrm {~in} &40 & 8 \mathrm {~cm} & 20 \
\hline
\end{array}\end{array}$

Accepted Answer

The answer of Fill in the blanks. \(\begin{array} { l...

Question 13

A car uses 18 gal of gas to go 580 mi. How many gallons are required to go 810 mi? Round your answer to nearest tenth.

Accepted Answer

A)  30.4 gallons 
B)  26.2 gallons 
C)  25.1 gallons 
D)  21.9 gallons 
E)  12.9 gallons 
A)  30.4 gallons 
B)  26.2 gallons 
C)  25.1 gallons 
D)  21.9 gallons 
E)  12.9 gallons

Question 14

Find the amount of pure ingredient needed to prepare the solution as indicated. 230 mL of 8% Lysol solution from pure Lysol

Accepted Answer

A)  1,840.0 mL 
B)  18.4 mL 
C)  21.7 mL 
D)  20.6 mL 
E)  19.5 mL 
A)  1,840.0 mL 
B)  18.4 mL 
C)  21.7 mL 
D)  20.6 mL 
E)  19.5 mL

Question 15

A welder grabs a handful of 6011 welding rods and another handful of Super Strength 100 welding rods. When the welder sees how many of each she has, she has 26 of the 6011 welding rods and 90 of the Super Strength 100 welding rods. What is the ratio of the 6011 welding rods to the Super Strength 100 welding rods?

Accepted Answer

A)  $\frac { 11 } { 47 }$ 
B)  $\frac { 3 } { 25 }$ 
C)  $\frac { 7 } { 39 }$ 
D)  $\frac { 9 } { 41 }$ 
E)  $\frac { 13 } { 45 }$ 
A)  $\frac { 11 } { 47 }$ 
B)  $\frac { 3 } { 25 }$ 
C)  $\frac { 7 } { 39 }$ 
D)  $\frac { 9 } { 41 }$ 
E)  $\frac { 13 } { 45 }$

Question 16

Express the ratio in lowest terms. $9 \frac { 1 } { 2 } : 8 \frac { 1 } { 2 }$

Accepted Answer

A)  $\frac { 19 } { 17 }$ 
B)  $\frac { 25 } { 11 }$ 
C)  $\frac { 21 } { 19 }$ 
D)  9
$$8$$ 
E)  $\frac { 23 } { 13 }$ 
A)  $\frac { 19 } { 17 }$ 
B)  $\frac { 25 } { 11 }$ 
C)  $\frac { 21 } { 19 }$ 
D)  9
$$8$$ 
E)  $\frac { 23 } { 13 }$

Question 17

Use the scale drawing of a metal plate cover in the figure below to answer the question. What is the area of the plate cover?   Side of square = 0.8 cm

Accepted Answer

A)  512 cm 2 
B)  204.8 cm 2 
C)  25,600 cm 2 
D)  256 cm 2 
E)  320 cm 2 
A)  512 cm 2 
B)  204.8 cm 2 
C)  25,600 cm 2 
D)  256 cm 2 
E)  320 cm 2

Question 18

A car is listed to sell at $23,600. The salesperson offers to sell it to you for $18,300. What percent of the list price is the reduction? Round your answer to the nearest tenth of a percent if necessary.
__________ %

Accepted Answer

The answer of A car is listed to sell at...

Question 19

Use the formulas for the hydraulic press to find MA.
r l = 54 in. and r s = 6 in.
MA = __________

Accepted Answer

Question 20

At the beginning of a trip, a tire on a car has a pressure of 35 psi (lb/in 2 ). At the end of the trip, the pressure is 43 psi. What is the percent increase in pressure? Round your answer to the nearest tenth of a percent if necessary.

Accepted Answer

A)  21.8% 
B)  20.7% 
C)  26.2% 
D)  22.9% 
E)  0.2% 
A)  21.8% 
B)  20.7% 
C)  26.2% 
D)  22.9% 
E)  0.2%

Use the formulas for the hydraulic press to find F _l . F _s = 10 lb, r _l = 6 in. and r _s = 2 in.

Fill in the blanks. 40 6. 2. 4.2. 972.9 6.2. Give each answer to one decimal place.

Use the formulas for the hydraulic press to solve the following problem. A force of 1,725 lb is exerted by a piston of radius 15 in. of a hydraulic press. What force was applied to its piston of radius 3 in.?

A 150-lb force is applied to the small piston of a hydraulic press produces a 3,000-lb force by the large piston. Find its mechanical advantage.

Fill in the blanks. 20 13. 10 ..... in. 110 ..... in. 30 11

Express the rate in lowest terms. $\frac { \$ 64,600 } { 1,700 \mathrm { ft } ^ { 2 } }$

Calculate the values of x and y in the following table? \multicolumn 2 |l| Pulley A Pulley B Diameter Diameter 34 54 68 x 18 y 12 96

Draw a sketch for the problem and solve it. A rocker arm raises oil from an oil well. On each stroke, it lifts a weight of 3 tons on a weight arm 1 ft long. What force is needed to lift the oil on a force arm 2 ft long?

Calculate the values of x and y in the following table. Pulley A Pulley B Diameter 30 150 y in. 40 Diameter 45 x 24. 20

The ratio of secondary turns to primary turns in a transformer is 37 to 2. How many secondary turns are there if the primary coil has 38 turns?

Calculate the values of x and y in the following chart. Pulley A Pulley B Diameter Diameter 36 400 x 720 15 300 24 y

Fill in the blanks. Pulley A Pulley B Diameter Diameter 20 90 30 40 8 20

A car uses 18 gal of gas to go 580 mi. How many gallons are required to go 810 mi? Round your answer to nearest tenth.

Find the amount of pure ingredient needed to prepare the solution as indicated. 230 mL of 8% Lysol solution from pure Lysol

Express the ratio in lowest terms. $9 \frac { 1 } { 2 } : 8 \frac { 1 } { 2 }$

Use the scale drawing of a metal plate cover in the figure below to answer the question. What is the area of the plate cover? Side of square = 0.8 cm

A car is listed to sell at $23,600. The salesperson offers to sell it to you for $18,300. What percent of the list price is the reduction? Round your answer to the nearest tenth of a percent if necessary. __________ %

Use the formulas for the hydraulic press to find MA. r _l = 54 in. and r _s = 6 in. MA = __________

At the beginning of a trip, a tire on a car has a pressure of 35 psi (lb/in ² ). At the end of the trip, the pressure is 43 psi. What is the percent increase in pressure? Round your answer to the nearest tenth of a percent if necessary.

Basic Concepts

Signed Numbers and Powers of 10

The Metric System

Measurement

Polynomials: an Introduction to Algebra

Equations and Formulas

Graphing Linear Equations

Systems of Linear Equations

Factoring Algebraic Expressions

Quadratic Equations

Geometry

Right Triangle Trigonometry

Trigonometry With Any Angle

Basic Statistics

Binary and Hexadecimal Numbers

Filters

Exam 7: Ratio and Proportion

Use the formulas for the hydraulic press to find F l . F s = 10 lb, r l = 6 in. and r s = 2 in.

Fill in the blanks. 40 6. 2. 4.2. 972.9 6.2. Give each answer to one decimal place.

Use the formulas for the hydraulic press to solve the following problem. A force of 1,725 lb is exerted by a piston of radius 15 in. of a hydraulic press. What force was applied to its piston of radius 3 in.?

A 150-lb force is applied to the small piston of a hydraulic press produces a 3,000-lb force by the large piston. Find its mechanical advantage.

Fill in the blanks. 20 13. 10 ..... in. 110 ..... in. 30 11

Express the rate in lowest terms. $64,6001,700ft2\frac { \$ 64,600 } { 1,700 \mathrm { ft } ^ { 2 } }1,700ft2$64,600​

Calculate the values of x and y in the following table? \multicolumn 2 |l| Pulley A Pulley B Diameter Diameter 34 54 68 x 18 y 12 96

Draw a sketch for the problem and solve it. A rocker arm raises oil from an oil well. On each stroke, it lifts a weight of 3 tons on a weight arm 1 ft long. What force is needed to lift the oil on a force arm 2 ft long?

Calculate the values of x and y in the following table. Pulley A Pulley B Diameter 30 150 y in. 40 Diameter 45 x 24. 20

The ratio of secondary turns to primary turns in a transformer is 37 to 2. How many secondary turns are there if the primary coil has 38 turns?

Calculate the values of x and y in the following chart. Pulley A Pulley B Diameter Diameter 36 400 x 720 15 300 24 y

Fill in the blanks. Pulley A Pulley B Diameter Diameter 20 90 30 40 8 20

A car uses 18 gal of gas to go 580 mi. How many gallons are required to go 810 mi? Round your answer to nearest tenth.

Find the amount of pure ingredient needed to prepare the solution as indicated. 230 mL of 8% Lysol solution from pure Lysol

Express the ratio in lowest terms. 912:8129 \frac { 1 } { 2 } : 8 \frac { 1 } { 2 }921​:821​

Use the scale drawing of a metal plate cover in the figure below to answer the question. What is the area of the plate cover? Side of square = 0.8 cm

A car is listed to sell at $23,600. The salesperson offers to sell it to you for $18,300. What percent of the list price is the reduction? Round your answer to the nearest tenth of a percent if necessary. __________ %

Use the formulas for the hydraulic press to find MA. r l = 54 in. and r s = 6 in. MA = __________

At the beginning of a trip, a tire on a car has a pressure of 35 psi (lb/in 2 ). At the end of the trip, the pressure is 43 psi. What is the percent increase in pressure? Round your answer to the nearest tenth of a percent if necessary.

Basic Concepts

Signed Numbers and Powers of 10

The Metric System

Measurement

Polynomials: an Introduction to Algebra

Equations and Formulas

Graphing Linear Equations

Systems of Linear Equations

Factoring Algebraic Expressions

Quadratic Equations

Geometry

Right Triangle Trigonometry

Trigonometry With Any Angle

Basic Statistics

Binary and Hexadecimal Numbers

Filters

Use the formulas for the hydraulic press to find F _l . F _s = 10 lb, r _l = 6 in. and r _s = 2 in.

Express the rate in lowest terms. $\frac { \$ 64,600 } { 1,700 \mathrm { ft } ^ { 2 } }$

Express the ratio in lowest terms. $9 \frac { 1 } { 2 } : 8 \frac { 1 } { 2 }$

Use the formulas for the hydraulic press to find MA. r _l = 54 in. and r _s = 6 in. MA = __________

At the beginning of a trip, a tire on a car has a pressure of 35 psi (lb/in ² ). At the end of the trip, the pressure is 43 psi. What is the percent increase in pressure? Round your answer to the nearest tenth of a percent if necessary.