Math, Add, Sub, X, Div

In taking inventory, the following number of hose clamps are checked: 6 boxes of 10 + 7 loose radiator hose clamps, 3 boxes of 20 + 4 loose heater hose clamps , and 15 gas line hose clamps. What is the number of clamps on inventory?

164

146

152

156

Correct! Wrong!

If 39 quarts of oil are removed from a stock of 350 quarts, how many quarts are left?

261

321

311

211

Correct! Wrong!

Driver number one drives 169 kilometers while driver number two drives 272 kilometers. How many kilometers farther does driver number two drive than driver number one?

203 km.

113 km.

93 km.

103 km.

Correct! Wrong!

The speed of a car is held constant at 55 miles per hour. How far does the car travel in 6.5 hours?

357.5 miles

347.5 miles

337.5 miles

327.5 miles

Correct! Wrong!

A car is travelling at 80 kilometers per hour. How many kilometers does the car cover in 7 hours?

560 km.

640 km.

480 km.

520 km.

Correct! Wrong!

A garage owner buy 54 feet of heater hose. If each car uses 9 feet of hose, how many cars can be repaired?

5 cars

6 cars

7 cars

8 cars

Correct! Wrong!

A mechanic is paid $172.00 per day. How many days of work does it take to earn $2236.00?

15 days

12 days

14 days

13 days

Correct! Wrong!

A mechanic works 2 1/4 hours on one car, 1 1/2 hours on another car, and 5 3/4 hours on a third car. What is the total number of hours worked?

8.5 hours

10.0 hours

8.0 hours

9.5 hours

Correct! Wrong!

A garage owner has 4 pieces of vacuum hose in lengths of 9 3/4 feet, 10 1/4 feet, 49 1/2 feet, and 12 feet. How many feet of vacuum hose are in stock?

82.25 feet

80 3/4 feet

81 1/4 feet

81.5 feet

Correct! Wrong!

The outside diameter of a hose is 2 1/4 inches and the wall is 13/32 inch thick. How large in inches, is the inside diameter?

1 15/64"

1 9/32"

1 7/16"

1 7/32"

Correct! Wrong!

A piece of pipe measures 1/4 inch inside and 9/16 inch outside. What is the wall thickness of the pipe?

5/16"

5/32"

3/16"

3/32"

Correct! Wrong!

How many pounds of grease are there in a barrel which holds about 45 gallons? (Use 7 7/8 pounds per gallon, round off result to the nearest pound).

354 lbs.

315 lbs.

453 lbs.

366 lbs.

Correct! Wrong!

What is the weight of the grease in a 216 litre drum if there are about 2 1/2 kilograms per litre?

540 kg.

432 kg.

450 kg.

510 kg.

Correct! Wrong!

The average time for lubricating a car is 2/3 hour. How many cars can be lubricated in an 8-hour day?

10 cars

11 cars

12 cars

13 cars

Correct! Wrong!

The spark plugs are replaced in 12 cars in 10 1/2 hours. What is the average time spent on each car?

1 and 1/16 hours

3/4 of an hour

1 hour per car

7/8 of an hour

Correct! Wrong!

What is the size of a drill 1/16 inch larger that 1/2 inch?

9/16"

7/16"

5/16"

.635"

Correct! Wrong!

What is the size of a drill 1/4 inch larger that 0.375 inch?

7/16"

5/8"

9/16"

19/32"

Correct! Wrong!

A valve will expand in length when it is heated. The length of the valve when cold is 4.8750 inches. I expands 0.0015 inch when heated. What is its length when hot?

4.8800"

4.8900"

4.8765"

4.87515"

Correct! Wrong!

A customer at a gasoline station buys 2 quarts of oil for $2.95, polish for $6.48, and a polish cloth for .99 cents. What amount is paid to the attendant?

$13.37

$10.42

$10.52

$10.62

Correct! Wrong!

If 0.022 inch is removed from a pin 1.25 inches long. What length is left?

1.225"

1.233"

1.213"

1.228"

Correct! Wrong!

Express the following decimal fraction to the nearest of an inch: 0.31 inch to the nearest 1/16 inch.

4/16" or 1/8"

5/16"

6/16" or 3/8"

7/16"

Correct! Wrong!

Express the following decimal fraction to the nearest fraction of an inch: 0.817 inch to nearest 1/16 inch.

15/16"

7/8"

5/8"

13/16"

Correct! Wrong!

A family rents a large moving truck for $159.92 per day based on an 8 hour day. What would the rental price per hour be?

$18.99

$19.79

$19.99

$19.89

Correct! Wrong!

A truck driver travels a distance of 2,026 3/4 miles in 5 1/2 days. What is the average distance traveled each day?

388 3/4 miles

378 1/4 miles

368 1/2 miles

358 7/8 miles

Correct! Wrong!

A garage owner buys 35,480 liters of gasoline at $0.888 per liter. If the gasoline is sold for $1.05 per liter, what is the profit?

$574.76

$5747.76

$5648.96

$674.76

Correct! Wrong!

A repair shop reduces the working hours from 40 to 35, without reducing the weekly rate of pay of the mechanics. If the mechanic makes $1000.00 per week, what is the percent of increase of pay per week?

87.5%

14.3%

12.5%

0%

Correct! Wrong!

If a mechanic''s hourly rate of $15.15 is increase 16 2/3%. What is the new hourly rate to the nearest cent?

$17.67

$17.68

$18.86

$16.76

Correct! Wrong!

A garage owner buys a job lot of 1500 feet of number 12 gauge wire. The price is $0.125 per foot. The next day the price of this wire increases 12 1/2%. How much is saved by purchasing the wire at the lower price? Express the answer to the nearest cent.

$210.94

$187.50

$23.44

$180.64

Correct! Wrong!

The speedometer of a car shows 50 miles per hour. The actual speed is 46 miles per hour. What is the percent of error to the nearest tenth?

8.6%

8.7%

9%

Correct! Wrong!

An automobile measures 26 feet and 6 inches. What is the total length in inches?

312 1/2"

318"

8 meters

80 cm

Correct! Wrong!

A roll of 3/8 inch gas line tubing s 20 feet long. One piece 6 feet 9 3/4 inches long is cut from the roll. What length piece remains? Express the answer in feet and inches.

13''3 1/4"

13''2 1/4"

13''3 3/4"

13''3 1/2"

Correct! Wrong!

An acre contains 43,580 square feet. What percent of an acre is the area of a 150 feet x 200 feet parking lot? Express the answer to the nearest tenth percent.

68.8%

65.2%

68.2%

67.4%

Correct! Wrong!

The driven gear has 75 teeth. The drive gear has 10 teeth. Find the ratio of the teeth on the driven gear to the driver gear.

7.5:1

1:7.5

75:1

1:75

Correct! Wrong!

An engine having an original bore size of 4 3/8 inches is rebored .030 oversize. The resulting bore size is:

4.405

4.530

4.430

4.675

Correct! Wrong!

What is the internal volume in cubic feet, of the hydraulic tank below: Height = 16 3/4" Length = 24.5" Depth = 15" Wall thickness = 1/4"

471.25 cu.ft.

39.27 cu.ft.

3.927 cu.ft.

3.27 cu.ft.

Show hint

Correct! Wrong!

What is the internal volume of the hydraulic tank below, in cubic meters:

.495 Cu.M.

.476 Cu.M.

.485 Cu.M.

.403 Cu.M.

Show hint

Correct! Wrong!

What is the volume of the hydraulic tank below: Internal diameter = .75 M. Internal length = 2.0 M.

.883 Cu. M.

3.53 Cu. M.

8.83 Cu. M.

.353 Cu. M.

Show hint

Correct! Wrong!

What is the volume of the hydraulic tank below: Internal diameter = 24" Internal length = 72"

2712.9 cu. ft.

226 cu. ft.

188.4 cu. ft.

18.84 cu. ft.

Show hint

Correct! Wrong!

What is the area of the big piston end from a cylinder. If the diameter of the piston is 6 1/4"

19.625 sq. in.

122.6 sq. in.

33.4 sq. in.

30.66 sq. in.

Correct! Wrong!

What is the effective area of the rod end of a hydraulic cylinder piston if the piston diameter is 4 1/2" and the rod diameter is 1.125"

14.9 sq. in.

10.59 sq. in.

8.94 sq. in.

13.18 sq. in.

Correct! Wrong!

In taking inventory, the following number of hose clamps are checked: 6 boxes of 10 + 7 loose radiator hose clamps, 3 boxes of 20 + 4 loose heater hose clamps , and 15 gas line hose clamps. What is the number of clamps on inventory?

If 39 quarts of oil are removed from a stock of 350 quarts, how many quarts are left?

Driver number one drives 169 kilometers while driver number two drives 272 kilometers. How many kilometers farther does driver number two drive than driver number one?

The speed of a car is held constant at 55 miles per hour. How far does the car travel in 6.5 hours?

A car is travelling at 80 kilometers per hour. How many kilometers does the car cover in 7 hours?

A garage owner buy 54 feet of heater hose. If each car uses 9 feet of hose, how many cars can be repaired?

A mechanic is paid $172.00 per day. How many days of work does it take to earn $2236.00?

A mechanic works 2 1/4 hours on one car, 1 1/2 hours on another car, and 5 3/4 hours on a third car. What is the total number of hours worked?

A garage owner has 4 pieces of vacuum hose in lengths of 9 3/4 feet, 10 1/4 feet, 49 1/2 feet, and 12 feet. How many feet of vacuum hose are in stock?

The outside diameter of a hose is 2 1/4 inches and the wall is 13/32 inch thick. How large in inches, is the inside diameter?

A piece of pipe measures 1/4 inch inside and 9/16 inch outside. What is the wall thickness of the pipe?

How many pounds of grease are there in a barrel which holds about 45 gallons? (Use 7 7/8 pounds per gallon, round off result to the nearest pound).

What is the weight of the grease in a 216 litre drum if there are about 2 1/2 kilograms per litre?

The average time for lubricating a car is 2/3 hour. How many cars can be lubricated in an 8-hour day?

The spark plugs are replaced in 12 cars in 10 1/2 hours. What is the average time spent on each car?

What is the size of a drill 1/16 inch larger that 1/2 inch?

What is the size of a drill 1/4 inch larger that 0.375 inch?

A valve will expand in length when it is heated. The length of the valve when cold is 4.8750 inches. I expands 0.0015 inch when heated. What is its length when hot?

A customer at a gasoline station buys 2 quarts of oil for $2.95, polish for $6.48, and a polish cloth for .99 cents. What amount is paid to the attendant?

If 0.022 inch is removed from a pin 1.25 inches long. What length is left?

Express the following decimal fraction to the nearest of an inch: 0.31 inch to the nearest 1/16 inch.

Express the following decimal fraction to the nearest fraction of an inch: 0.817 inch to nearest 1/16 inch.

A family rents a large moving truck for $159.92 per day based on an 8 hour day. What would the rental price per hour be?

A truck driver travels a distance of 2,026 3/4 miles in 5 1/2 days. What is the average distance traveled each day?

A garage owner buys 35,480 liters of gasoline at $0.888 per liter. If the gasoline is sold for $1.05 per liter, what is the profit?

A repair shop reduces the working hours from 40 to 35, without reducing the weekly rate of pay of the mechanics. If the mechanic makes $1000.00 per week, what is the percent of increase of pay per week?

If a mechanic''s hourly rate of $15.15 is increase 16 2/3%. What is the new hourly rate to the nearest cent?

A garage owner buys a job lot of 1500 feet of number 12 gauge wire. The price is $0.125 per foot. The next day the price of this wire increases 12 1/2%. How much is saved by purchasing the wire at the lower price? Express the answer to the nearest cent.

The speedometer of a car shows 50 miles per hour. The actual speed is 46 miles per hour. What is the percent of error to the nearest tenth?

An automobile measures 26 feet and 6 inches. What is the total length in inches?

A roll of 3/8 inch gas line tubing s 20 feet long. One piece 6 feet 9 3/4 inches long is cut from the roll. What length piece remains? Express the answer in feet and inches.

An acre contains 43,580 square feet. What percent of an acre is the area of a 150 feet x 200 feet parking lot? Express the answer to the nearest tenth percent.

The driven gear has 75 teeth. The drive gear has 10 teeth. Find the ratio of the teeth on the driven gear to the driver gear.

An engine having an original bore size of 4 3/8 inches is rebored .030 oversize. The resulting bore size is:

What is the internal volume in cubic feet, of the hydraulic tank below: Height = 16 3/4" Length = 24.5" Depth = 15" Wall thickness = 1/4"

What is the internal volume of the hydraulic tank below, in cubic meters:

What is the volume of the hydraulic tank below: Internal diameter = .75 M. Internal length = 2.0 M.

What is the volume of the hydraulic tank below: Internal diameter = 24" Internal length = 72"

What is the area of the big piston end from a cylinder. If the diameter of the piston is 6 1/4"

What is the effective area of the rod end of a hydraulic cylinder piston if the piston diameter is 4 1/2" and the rod diameter is 1.125"

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Heavy-Duty Mechanic - Trucks & Equipment