Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
6th Edition
ISBN: 9780135257272
Author: James D. Halderman
Publisher: PEARSON
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Chapter 31, Problem 7CQ
Before a valve seat can be reconditioned or replaced the _________ must first be reconditioned.
- a. valve guide
- b. valve seals
- c. umbrella seals
- d. cylinder bore
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Chapter 31 Solutions
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
Ch. 31 - What is the procedure for grinding valves?Ch. 31 - When is the valve tip ground? How do you know how...Ch. 31 - What is an interference angle between the valve...Ch. 31 - How is a valve seat insert installed?Ch. 31 - How are the correct valve spring inserts (shims)...Ch. 31 - In a normally operating engine, intake and exhaust...Ch. 31 - Which of the following statements is true about...Ch. 31 - Prob. 3CQCh. 31 - A valve should be discarded if the margin is less...Ch. 31 - To lower and narrow a valve seat that has been cut...
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- |40. Worn cylinders can be reconditioned by------------- a. None of the below b. Machining in the lathe c. Machining in the engine d. Machining in the gear 41. The instrument needed for the engine is---- system-----------and electric system--- a. Vacuum gauge, Ohm meter, Fuel pump, Ammeter b. Vacuum gauge, Ohm meter, Voltmeter, Compression gauge c.Vacuum gauge, Tachometer, Fuel pump, Gas analyzer d.Vacuum gauge, Ohm meter, Fuel pump, Thermometer 42. Defective Thermostat, Obstructed air passage through Radiator, Defective Temperature Gauge are reasons for a. Engine overcooling b. Engine overheating c. Engine overrating d. None of them 43. Ignition timing is far too advanced refers to a. Hard starting |b. Hard ending c. Failure starting d. Failure ending 44. With heavy electrical loads, infrequent or slow driving is required means a. Battery Not holding charge b. Battery Uses Excessive Water c. Battery Always undercharged d. Slow Cranking Speed 45. Even when the engine is not running, an…arrow_forwardWhat device in the valve train changes rotary motion into reciprocating motion? a. Eccentric Cam Bushing Mandrelarrow_forwardWhat should be done with cylinders that have leaking valve stems?arrow_forward
- This part of the a cylinder holds the piston in place and helps support the rod as it extends. a. rod seals b. rod bushing c. pistons seals d. rod brushingarrow_forwardWhat should you do if a valve does not move freely in its bore in the valve body?arrow_forwardWhich compressor type uses tapered, machined gear components to trap the gas for compression? A. Scroll B. Reciprocating C. Rotary D. Screwarrow_forward
- what can happen when valve spring tension is too low?arrow_forwardWhat part of a relief valve covers the exhaust port? A. Cap B. Ball C. Spring D. Diaphragmarrow_forwardWhich of the following is not measured with a feelergauge set?a. Piston ring side clearanceb. Flywheel runoutc. Crankshaft end playd. Spark plug gaparrow_forward
- Compression takes place on both sides of the piston in two cylinders is known as a. single stage double acting b. multistage double acting c. multistage single acting d. single stage single actingarrow_forwardCentralizer is to keep the casing away from the borehole so that there is some annular clearance on all sides. Which improves displacement efficiency and differential sticking. a. True b. Falsearrow_forwardTechnician A says that a cylinder wall with too smootha surface will prevent the piston rings from seatingproperly. Technician B says that a cylinder wall shouldhave a crosshatch honing pattern. Who is correct?a. Technician Ab. Technician Bc. Both A and Bd. Neither A nor Barrow_forward
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