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Hot Rod Jeopardy. Day one. After a wet/dry compression test, the reading on one engine cylinder reads 85 pounds dry and 120 pounds wet. This usually indicates A leaking head gasket worn-out piston rings worn valve guides burned valves 10.
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Hot Rod Jeopardy Day one
After a wet/dry compression test, • the reading on one engine cylinder • reads 85 pounds dry and 120 • pounds wet. This usually indicates • A leaking head gasket • worn-out piston rings • worn valve guides • burned valves 10
The diameter of an engine cylinder is called the (A) bore (B) displacement (C) stroke 20
A mechanic referring to an engine as a 350 means that the engine (A) produces 350 horsepower (B) weighs 350 pounds (C) has a displacement of 350 cubic inches 30
To provide balance, crankshafts have (A) drilled oil passages (B) counterweights opposite the cranks (C) thrust bearings 40
An engine cylinder must be thoroughly cleaned with soap and water after honing. What is the recommended to do immediately after to the cylinder? (A) brush using grease (B) wipe using gear oil (C) rinse using solvent and blow dry (D) spray with WD-40 50
10 The clutch disc has torsional springs around its’ hub, what are they for? A. to absorb shock B. to move the disc away from the flywheel C. to help apply the forces D. to center it on the throw-out bearing
The release lever (clutch fork) can be operated in one of three ways, choose a correct one. A. Pneumatic force B. Hydraulic force C. Springs D. Grease tension 20
The only purpose of the clutch system is to ______ • engage the engine to the drive shaft • allow the engine to run faster • give better traction in the snow or rain • temporarily disengage the engine from • the transmission 30
The pilot bearing can have moving parts or be a solid bushing made from; A. aluminum B. zinc C. bronze D. steel 40
When you move the clutch fork, what is the next component that moves? A. clutch disc B. pressure plate C. throw out bearing D. slave cylinder 50
PARKING BRAKES ARE ADJUSTED BY (A) LOOSENING THE BRAKE CABLES (B) RESTORING PROPER TENSION TO THE BRAKE CABLE (C) REFILLING THE MASTER CYLINDER (D) USING THE BRAKE-SHOE ADJUSTING GAUGE 10
TWO TYPES OF DISC BRAKES ARE (A) TWO-DISC AND FOUR PISTON (B) FIXED-CALIPER AND FLOATING CALIPER (C) SLIDING-CALIPER AND FLOATING-CALIPER (D) ALL OF THE ABOVE20
ON A FLOATING CALIPER, PAD REPLACEMENT CAN BE MADE (A) ONLY AFTER CALIPER IS REMOVED (B) WITHOUT REMOVING CALIPER (C) WITHOUT REMOVING WHEEL (D) AFTER PISTONS ARE REMOVED 30
THE MEASUREMENT CAST INTO THE DISC IS • THE MINIMUM THICKNESS TO WHICH • THE DISC MAY BE WORN • (B) THE MINIMUM THICKNESS TO WHICH • THE DISC CAN BE REFINISHED • (C) THE MAXIMUM THICKNESS WHICH WILL • FIT IN THE CALIPER • (D) THE MAXIMUM THICKNESS WHICH CAN BE • USED WITH STANDARD SHOES 40
WHENEVER REAR DRUM BRAKES HAVE BEEN ADJUSTED, • NO FURTHER ADJUSTMENT OF THE PARKING • BRAKE IS REQUIRED • (B) THE PARKING BRAKE HAS BEEN PROPERLY • ADJUSTED ALSO • (C) THE PARKING BRAKE WILL REQUIRE ADJUSTMENT • (D) NONE OF THE ABOVE 50
THE BALL JOINTS ARE LOCATED BETWEEN THE STEERING KNUCKLE AND THE A. STEERING LINKAGE B. STEERING ARMS C. STABILIZER BAR D. CONTROL ARMS 10
IN THE TYPICAL LEAF-SPRING INSTALLATION, THE SPRING IS HUNG FROM THE AXLE HOUSING BY A. A HANGER B. TWO U-BOLTS C. A SHACKLE D. A THROUGH BOLT 20
ON REAR-WHEEL BRAKES, OIL OR GREASE LEAKAGE PAST THE WHEEL BEARING SEALS INDICATES THAT THE (A) WHEEL BEARINGS SHOULD BE REPLACED (B) SEAL SHOULD BE REPLACED (C) AXLE SHOULD BE REPLACED (D) WHEEL CYLINDER SHOULD BE REPLACED 30
MANY TIRES HAVE TREAD WEAR INDICATORS, • WHICH ARE • A SERIES OF WARNING LIGHTS ON THE • INSTRUMENT PANEL • (B) SPECIAL TYPES OF VALVE STEMS • (C) FILLED-IN SECTIONS OF TREAD GROOVES • 40
THE THREE BASIC TYPES OF SPRINGS ARE (A) RUBBER, AIR, AND COIL (B) LEAF, COIL, AND TORSION BAR (C) LEAF, TORSION BAR, AND RUBBER 50
VALVES ARE CLOSED BY THE: (A) CAM (B) SPRINGS (C) ROCKER ARM (D) PUSH ROD 10
What part of the engine has the greatest effect on a specific engine's power output characteristic? (A) crankshaft throw angle (B) engine displacement (C) cam lobe design (D) bore-to- stroke ratio 20
Which of the following describes a camshaft characteristic? 1. The cam lobe shape determines the engine performance characteristics 2. The cam journals are larger than the lobes (A) 1 only (B) 2 only (C) 1 and 2 (D) neither 1 nor 2 30
One of the best methods for removing carbon from the head of a piston is: (A) with a wire buffing wheel (B) with a scraping tool (C) sand blasting the entire piston (D) with emery cloth or an abrasive compound 40
When using plastigauge to check • bearing clearance, • the flatter the plastigauge, • the less the clearance • (B) the flatter the plastigauge, • the more the clearance • (C) the rounder the plastigauge, • the less the clearance • 50
Final Jeopardy • Valve Train
There are three grinds that are performed on the valve. What are they? (Hint, two are parts of the valve)