Piston pins - Study guides, Class notes & Summaries

Red Seal Exam Questions A grade 8 UNF capscrew has _ lines on the head. - 6 A metric bolt size of M8 means that _ - The bolt is 8 mm in diameter. On a bolt sized M8 x 1.5, the 1.5 means that _ - The bolt has 1.5 mm between the crest of the threads. Four-stroke cycle engines fire once _ crankshaft revolution/s. - Every two revolutions. If the bore of an engine is increased without any other changes except for the change to oversize replacement pistons, the displacement will _ and...

A1 ASE Test | Questions and Correct Answers | Latest Update 2024/2025 If an engine experiences a sharp, metallic rapping noise only when it is idling, the trouble could be worn: `Main bearings `Piston pins `connecting rod bearings `piston skirts - Answer -Piston pins On a port fuel-injected engine, the cause of excessive black smoke in the exhaust could be: `low fuel pressure `an intake manifold vacuum leak `high oxygen sensor voltage `high fuel pressure - Answer -High fuel pressur...

Brake test questions and answers Graded A+ Both A & B are correct Technician A says that riveted disc brake pads are often quieter that bonded disc brake pads. Technician B says that integrally molded disc brake pads are molded into holes in the steel backing of the pads. Which technician is correct? Technician A only Neither A nor B are correct Both A & B are correct Technician B only A) Aid cooling Rotors are vented to: B) Increase strength D) Reduce the rotor weight C) Reduce...

Brakes Test 3 |Complete with A+ Graded Answers Both A & B are correct Technician A says that riveted disc brake pads are often quieter that bonded disc brake pads. Technician B says that integrally molded disc brake pads are molded into holes in the steel backing of the pads. Which technician is correct? Technician A only Neither A nor B are correct Both A & B are correct Technician B only A) Aid cooling Rotors are vented to: B) Increase strength D) Reduce the rotor weight C) Re...

Powerplant ASA/FAA Oral Powerplant Questions with 100% Correct Answers | Updated & Verified What is the main advantage of a horizontally opposed engine over a radial engine for powering modern aircraft? - ANSWER The horizontally opposed engine has a much smaller frontal area and is easier to streamline than a radial engine How many throws are there in a crankshaft of a six cylinder horizontally opposed engine? - ANSWER Six What kind of connecting rod arrangement is used in a radia...

When a truck has no air pressure in its tanks, which warning devices are activated when the ignition key is turned on? A buzzer, a dash gauge and a red light What legislation mandates every required standard of a highway truck air brake system? FMVSS 121 If a truck is FMVSS 121 compliant, which of the following air reservoirs must be incorporated into the air brake circuit? Supply, primary and secondary tanks In a truck air brake system which sub circuit is primarily resp...

If an engine experiences a sharp, metallic rapping noise only when it is idling, the trouble could be worn: `Main bearings `Piston pins `connecting rod bearings `piston skirts - Answer Piston pins On a port fuel-injected engine, the cause of excessive black smoke in the exhaust could be: `low fuel pressure `an intake manifold vacuum leak `high oxygen sensor voltage `high fuel pressure - Answer High fuel pressure During a cylinder power balance test on a four-cylinder port...

ASE practice test (diesel engine) T2 Already Passed A diesel engine has excessive oil consumption with no visible oil leaks. Which of these could be the cause? (D) A leaking turbocharger impeller shaft seal Which of these could be the cause of blue smoke from the exhaust on a vehicle that is not equipped with an exhaust aftertreatment system? (C) Worn piston rings During long uphill pulls, a delivery truck equipped with an engine protection system activates a warning light and buzzer, and the...

If an engine experiences a sharp, metallic rapping noise only when it is idling, the trouble could be worn: `Main bearings `Piston pins `connecting rod bearings `piston skirts - Answer Piston pins On a port fuel-injected engine, the cause of excessive black smoke in the exhaust could be: `low fuel pressure `an intake manifold vacuum leak `high oxygen sensor voltage `high fuel pressure - Answer High fuel pressure During a cylinder power balance test on a four-cylinder port...

The primary reason that machinery is replaced is due to: A. Erosion B. Accidents C. Obsolescence D. Surface degradation of the metal E. Corrosion - D. Surface Degradation of the Metal Which of the following is not a lubrication regime (mode/type)? A. Boundary B. Elastohydrodynamic C. Boudarydynamic D. Hydrodynamic E. Mixed film - C. Boundrydynamic Which maintenance strategy is based strictly on tasks performed at specific time intervals? A. Proactive B. Predictive C. ...