Deck 10: Addition of Decimal Fractions

Question 1

A starter ring gear with a 11.458-inch inside diameter will expand 0.074 inch in diameter when heated. What is the diameter when heated?

A) 11.516
B) 11.532
C) 11.548
D) 11.564

Answer 1

11.532

Question 2

A hole for a piston pin, originally 0.8343 inch in diameter, has worn 0.0047 inch. What size is the hole?

A) 0.8387
B) 0.8390
C) 0.8392
D) 0.8397

Answer 2

0.8390

Question 3

The decimal goes between the ones place and the ____________________ place.

Answer 3

tenths

Question 4

A valve will expand in length when it is heated. The length of the valve when cold is 4.6250 inches. It expands 0.0027 inch when heated. What is its length when hot?

A) 4.6257
B) 4.6266
C) 4.6271
D) 4.6277

Question 5

An aluminum alloy piston expands 0.00087 inch in diameter when heated. The standard size is 3.8945 inches in diameter. What is its size after expansion?

A) 3.89466
B) 3.89484
C) 3.89511
D) 3.89537

Question 6

Place the numbers to be added under each other so that the ____________________ line up.

Question 7

A customer at a gasoline station buys 1 quart of oil for $1.77, polish for $1.89, and a polish cloth for $0.95. What amount is paid to the attendant?

A) $4.61
B) $4.71
C) $4.81
D) $4.91

Question 8

A 165 R14 radial tire costs $39.95, and the Federal Excise Tax (FET) is $1.87. What is the total cost of the tire?

A) $41.00
B) $41.21
C) $41.82
D) $42.56

Question 9

86.83 is read as 86 and 83 ____________________.

Question 10

What is the total amount of a bill itemized as follows: compressor seal, $7.85; refrigerant, $18.33; clutch brush set, $10.10; labor, $78.50; sales tax, $2.11?

A) $114.66
B) $115.88
C) $116.89
D) $117.69