FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 4: Measurements and Precision Measuring Devices Precision Measurements

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 1

True/False

Review LaterAdd Note

Review Later

Pressure gauges always read less than 10 lbs per square inch.

A) True
B) False

Correct Answer

verified

Show Answer

Question 2

Essay

Review LaterAdd Note

Review Later

What component is used to trigger sensors in a wheel speed sensor?

Correct Answer

verified

A toothed ring is us...

View Answer

Show Answer

Question 3

True/False

Review LaterAdd Note

Outside micrometers are used to measure journals or shafts to check for out-of-round.

Two technicians are discussing bore measurements. Technician A says that bores can be measured at the top with an outside micrometer. Technician B says that bores must be measured from the inside with a telescoping gauge. Who is correct?

Use a dial indicator to measure shaft endplay.

Tire pressures should be checked when the tires have been warmed up.

What device is added to an inside micrometer when measuring a cylinder with a diameter larger than one inch?

Technician A and technician B are discussing spark plug gap. Technician A says that the spark may be weak in strength if the gap is too wide. Technician B says that the spark will have high-voltage if the gap is too narrow. Who is correct?

What two types of dial indicators can be used to measure rotor runout?

Two technicians are discussing journal measurements. Technician A says that two measurements are not necessary. Technician B says an out-of-round journal will not affect bearing life. Who is correct?

Runout is a term used to determine if there is a wobble in a wheel or disc.

Two technicians are discussing measuring pressure in an automobile. Technician A says that fuel, oil, automatic transmission, and brake pressure can be measured. Technician B says that the pressure gauge must read in hundreds of pounds of pressure. Who is correct?

What tool is used to measure the thickness of a brake rotor?

Thrust wear can contribute to out-of-round cylinders.

Name two different types of micrometers.

Spark plug gaps are measured with a round feeler gauge

What tool is used to measure runout on a brake rotor?

What will thrust wear cause in a cylinder bore?

What can vacuum readings from an operating engine tell us?

Two technicians are discussing air gap measurements. Technician A says that non-magnetic feeler gauges should never be used. Technician B says that measurements should be made with a tooth of the ring aligned with the center of the sensor. Who is correct?