Chs 2 & 3 How many flats does a hex nut have? 6 What should be used to mark the start point before drilling a hole in steel? Center punch Technician A says to replace all original Grade 5 fasteners with Grade 8 when performing suspension repairs. Technician B says that a Grade 8 rated Huck fastener may be replaced with a Grade 8 nut and bolt. Who is right? Technician B What tool is required to cut internal threads in hole? Tap What is the maximum measuring range of a standard micrometer? 1 inch Which type of tap should be used to cut new threads to a bore? Taper Which of the following types of pliers would be most suitable for intricate electrical work? Needlenose pliers Which of the following tools is capable of performing inside, outside, and depth measurements? Digital Calipers To convert pound/feet to pound/inch multiply by: 12 What cutting fluid should be used when reaming mild steel? Lard When selecting a hacksaw blade to cut light angle iron, what is the recommended tpi? 18 Through how many thimble rotations must a standard micrometer be turned to make the spindle move exactly 1/4 inch? 10 The objective of torquing a nut and bolt is to: Define the clamping force of the fastener A wrench that has an open end, and a box end, both of the same nominal dimension, is known as: Combination wrench Which of the following wrenches is most suitable for tightening tubing and hose fittings like those found on diesel fuel systems or hydraulic hoses? Line wrench When a technician fails to use a torque wrench to tighten a fastener, what is the likely outcome? Fastener over-torqued by 50-100% What should be used to remove a stud that has sheared flush to an engine block? Drill and screw extractor When measuring the thickness of a component measuring around .0015 inches, which of the following measuring tools would be most accurate? A micrometer How many radial strokes are used to identify an SAE grade eight bolt? Six Convert 36 degrees Celsius to degrees Fahrenheit and round to the nearest of the following values: 100 degrees Farenheit What does the prefix milli mean? one thousandth Which tool should be used to a torque line nuts? Line wrench Which of the following is NOT a type of torque wrench? spring How many full thimble rotations are required to move a standard micrometer through 0.025 inches? one Which of the following instruments is designed to measure rotational speed? Tachometer What does the prefix Kilo mean? one thousand To what accuracy are electronic digital calipers capable of reading? 0.0001 inch Which type of hammer will not be found in a truck technician’s tool box? Claw When a precision straight edge is used to measure cylinder block wear, which of the following must be used to make a precise measurement? thickness gauges When using an air gun to drive a socket, what type of socket must be used? impact Two complete revolutions of thet himble moves the spindle exactly 1 millimeters from 1 to 25 millimeters
