Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 12, Problem 2TF
True False? Camshaft straightness is checked using V-blocks and a feeler gauge?
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Chapter 12 Solutions
Automotive Technology
Ch. 12 - Explain staged and continuously variable value...Ch. 12 - Prob. 2SACh. 12 - Define valve margin.Ch. 12 - What usually causes warpage in an aluminum cylin...Ch. 12 - What are the two ways pushrods can be checked for...Ch. 12 - True False? Fiats MultiAir system relies on...Ch. 12 - True False? Camshaft straightness is checked using...Ch. 12 - Which of the following is not true of knurling? It...Ch. 12 - To allow the engine to run on the Atkinson cycle,...Ch. 12 - To ensure proper seating of the valve, the valve...
Ch. 12 - Many engines with WT have a phaser mounted to the...Ch. 12 - Multiple valve engines tend to be more efficient...Ch. 12 - Which of the following is not a type of valve...Ch. 12 - What type of valve lifter automatically...Ch. 12 - Prob. 8MCCh. 12 - While discussing the reasons for resurfacing a...Ch. 12 - While inspecting the timing gears of an engine:...Ch. 12 - Technician A says that positive valve stem seals...Ch. 12 - Prob. 4ASRQCh. 12 - Technician A says an engine may use one or more...Ch. 12 - Technician A says it is not necessary to measure...Ch. 12 - While discussing the Valvetronic system:...Ch. 12 - While checking a hydraulic phaser after the...Ch. 12 - While servicing a pair of aluminum cylinder heads:...Ch. 12 - While discussing camshafts Technician A says valve...
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- True or False? The camshaft is always located in the engine block.arrow_forwardWhile discussing camshafts Technician A says valve lift is based only on the height of the cam lobe. Technician B says valve duration is based on the height of the lobe. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardWhile diagnosing the cause for an engine having good results from a compression test and cylinder leakage test but poor results from a cylinder power balance test: Technician A says that incorrect valve timing is the most likely cause. Technician B says that a severely worn cam lobe is a likely cause. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
- While driving straight, a FWD car pulls to the right. The most likely cause is. more positive camber on the left front wheel compared to the right front wheel sagged front springs and improper front-wheel toe setting less positive caster on the right front wheel compared to the left front wheel the SAI on the right front wheel is 1*A degrees more than the SAI on the left.arrow_forwardMany engines with WT have a phaser mounted to the end of one or more camshafts. Which of the following statements is not true? A phaser is used to alter valve timing. Most phasers are controlled by oil pressure. Phasers are used to change valve lift. Phasers can be used to change valve overlap.arrow_forwardWhat provisions are usually included on tractor engines to aid in the correct timing of the camshaft?arrow_forward
- Technician A says that vacuum readings for an engine with a performance camshaft might be lower at idle. Technician B says that an engine that has worn lower main bearing will have lower oil pressure at freeway/highway speeds. Who is correct? Technician A only Technician B only Both A and B O Neither A nor Barrow_forwardTrue or False? The camshaft is always locatedin the engine block.arrow_forwardDouble Dwell Cam Designarrow_forward
- Tech a says that the push on the piston top during the power stroke is transferred to the crank shaft through the connecting rod. Tech b states that the power is transferred from the piston through the valve train to the camshaft. Who is correct?arrow_forwardWhat is the importance of aligning the notches found on the cam-gear and crank-gear? (Select the best answer) Open and close the intake/exhaust valves Increase engine efficiency Ensure proper engine timing None of these answers are correctarrow_forwardHow many degrees of crankshaft travel until the exhaust valve opens after the intake valve closes? (in degrees)arrow_forward
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