Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 11, Problem 9ASRQ
Technician A says that crankshaft counterweights offset the weight of the connecting rods and pistons. Technician B says that crankshaft counterweights are used to dampen crankshaft torsional vibrations. Who is correct?
- Technician A
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Chapter 11 Solutions
Automotive Technology
Ch. 11 - Describe how to inspect an oil pump.Ch. 11 - What is the cylinder taper?Ch. 11 - Describe how to measure main bearing oil...Ch. 11 - Where does maximum cylinder bore wear occur and...Ch. 11 - List three types of compression rings.Ch. 11 - What is the purpose of a thrust main bearing?Ch. 11 - How should the oil pump be primed when installing...Ch. 11 - Most pistons used today are made of. cast iron...Ch. 11 - Cam bearings in OHV engines are typically which...Ch. 11 - Which of the following is not of concern when...
Ch. 11 - Each halt' of a split bearing is made slightly...Ch. 11 - Prob. 5MCCh. 11 - Which of the following are not typically found in...Ch. 11 - All of the following are functions of the...Ch. 11 - Which type of oil ring is slotted so that excess...Ch. 11 - When removing the balance shaft assembly:...Ch. 11 - After installing cam bearings: Technician A checks...Ch. 11 - Technician A says that a cylinder wall with too...Ch. 11 - Technician A installs a cup-type core plug with...Ch. 11 - Technician A uses a micrometer to measure the...Ch. 11 - Technician A says that piston ring end gaps should...Ch. 11 - Technician A checks crankshaft oil clearance with...Ch. 11 - When removing the piston and rod assemblies from a...Ch. 11 - Technician A says that crankshaft counterweights...Ch. 11 - Technician A uses a feeler gauge and straightedge...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- While installing a timing belt: Technician A installs the belt, turns the crankshaft two full rotations, then applies tension to the belt. Technician B installs the belt, applies tension, then turns the crankshaft two full rotations. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardTrue or False? The camshaft is always located in the engine block.arrow_forwardWhile discussing what affects the amount of pressure exerted by the brakes: Technician A says that the shorter the line, the more pressure there will be. Technician B says that braking force will increase if the size of the pistons in a master cylinder are increased. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forward
- Technician A says off-square springs may cause increased stem-to-guide wear. Technician B says excessive spring tension may cause premature camshaft wear. Who is correct? Technician A Technician B Both A and B 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_forwardWhich of the following ensures proper timing of the intake and exhaust valve events? The length of the tappets relative to the pushrods. Proper pairing of the gear set joining the crankshaft to the camshaft. The pulse timer mounted in series with the piston. The installation of the flywheel key.arrow_forward
- Design and explain fatigue test setup for a crankshaft ?arrow_forwardThe clutch, or friction, disc is connected to the. a. engine crankshaft b. transmission input shaft c. transmission output shaft d. transmission countershaftarrow_forwardWhich of the following is probably not the cause of a vibrating clutch? a. Excessive crankshaft end play b. Out-of-balance pressure plate assembly c. Excessive flywheel runout d. Loose flywheel boltsarrow_forward
- A six-cylinder engine has a 1 5 3 6 2 4 firing order. Technician A says that after cylinder number 1 begins its intake stroke, the crankshaft will have to travel 240° before cylinder number 3 begins its intake stoke. Technician B says that when cylinder number 3 and 4 are at TDC, cylinders number 5 and 2 are at BDC. Who is correct and explain why? Technician A Technician B Both A and B Neither A nor Barrow_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_forwardWhich of the following is the most likely cause for a shudder during the engagement of a lock-up torque converter? a. A bad converter b. Worn or damaged CV or U-joints c. A worn front planetary gearset d. Loose flexplatearrow_forward
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