Technician A says that steel shot blasting is commonly used to clean ferrous parts. Technician B says that steel shot blasting is commonly used to clean aluminum parts. Who is right? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor B

Technician A says that a bake oven removes rust. Technician B says that a bake oven removes scale. Who is right? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor B

 Two technicians are discussing cleaning solvents. Technician A says that it is not necessary to use gloves with petroleum-based solvents. Technician B says that most new cleaning solvents are chlorinated. Who is right? a. Technician A only                  b. Technician B only  c. Both A and B                          d. Neither A nor B

On precision measuring instruments, how is 1/10″ expressed with decimals? Name the tool used to calibrate a micrometer. Which scale on the micrometer is used to measure to 0.0001″?

1. When reading a small-hole gauge, how is the micrometer reading taken in relation to the split in the ball, on the split, or 908 to it?  2. Name an instrument that would be used to measure end play of a shaft.

1. What is the extra gauge that long-range dial indicators have?  2. Convert 5 inches to millimeters.  3. Convert 127 millimeters to inches.

1. Approximately how many cubic inches are there in 1 liter? 2. Approximately how many cubic inches equals 2.7 liters? 3. One liter equals: a. 1,000 cubic centimeters  b. 1 quart  c. 1 gallon d. None of the above

3. The metric measuring system is based on: a. The gold standard b. The number 10 c. Fractions of ” 1 64 d. The distance between the earth and the moon 4. A vernier caliper can measure:  a. Inside diameter           b. Outside diameter c. Depth                              d. All of the above

1. An engine has excessively worn exhaust guides. Technician A says to look for weak or short exhaust valve springs. Technician B says that this can cause excessive crankcase pressure. Who is right?  a. Technician A only                        b. Technician B only c. Both A and B                                 d. Neither A nor B

An engine has excessive valve guide wear. Technician A says to ream the guide and install a new valve with an oversized stem. Technician B says to knurl the valve stem and reinstall it in the guide. Who is right? a. Technician A only b. Technician B only c. Both A and B d. Neither