Basic Ability Test Mechanical Reasoning and Applied Physics 3

Question 1

Tightening a bolt requires 30 foot-pounds of torque. Using a wrench 1.5 feet long, how much force must you apply?

Accepted Answer

20 lbs

Answer

15 lbs

Answer

25 lbs

Answer

45 lbs

Question 2

Which wrench type provides the most secure grip and best torque transfer on a standard bolt head?

Accepted Answer

Box-end wrench

Answer

Open-end wrench

Answer

Adjustable wrench

Answer

Pipe wrench

Question 3

A pump fills a tank at 12 gallons per minute while a drain simultaneously removes 4 gallons per minute. What is the net fill rate?

Accepted Answer

8 gpm

Answer

4 gpm

Answer

6 gpm

Answer

16 gpm

Question 4

Three workers complete a job in 6 days. How many days would it take one worker to complete the same job alone?

Accepted Answer

18

Answer

12

Answer

15

Answer

24

Question 5

A circuit has a 12-volt battery and a 4-ohm resistor. Using Ohm's Law (I = V ÷ R), what is the current?

Accepted Answer

3.0 A

Answer

1.5 A

Answer

2.0 A

Answer

4.0 A

Question 6

A container filled to 3/4 of its capacity holds 60 gallons. What is the container's full capacity?

Accepted Answer

80 gallons

Answer

70 gallons

Answer

75 gallons

Answer

90 gallons