AVIATION INSTITUTE OF
MAINTENANCE BLOCK 1
PRACTICE TEST 100
QUESTIONS COMPLETE
Question 1: A mechanic must reduce the fraction before using it in a
calculation. What is the fraction in lowest terms?
Choices:
1) 2) 3) 4)
Correct Answer:
Explanation: Both 42 and 56 are divisible by 14. Dividing numerator and denominator by 14 gives.Page 1
Question 2: What is the decimal equivalent of rounded to four decimal places?
Choices:
1) 0.4063
2) 0.4167
3) 0.3906
4) 0.4333
Correct Answer: 0.4063
Explanation: 13 divided by 32 equals 0.40625, which rounds to 0.4063 to four decimal places.Question 3: A sheet-metal panel is 4.5 feet long and 2 feet wide. What is its area?
Choices:
1) 6 square feet 2) 8 square feet 3) 9 square feet 4) 13 square feet
Correct Answer: 9 square feet
Explanation: Area of a rectangle equals length times width. 4.5 × 2 = 9 square feet.Page 2
Question 4: A rectangular tank measures 36 inches by 20 inches by 15 inches. What is its volume in cubic inches?
Choices:
1) 10,800
2) 9,600
3) 7,200
4) 12,600
Correct Answer: 10,800
Explanation: Volume equals length × width × height. 36 × 20 × 15 = 10,800 cubic inches.Question 5: A mechanic rounds 18.746 to the nearest hundredth. What is the result?
Choices:
1) 18.70
2) 18.74
3) 18.75
4) 18.80
Correct Answer: 18.75
Explanation: The hundredths digit is 4 and the thousandths digit is 6, so the hundredths digit rounds up to 5. The result is 18.75.Page 3