Pop Quiz: Head Gaskets -

Pop Quiz: Head Gaskets

Choose the word or phrase that best completes the following sentences. Instructors can use this as an in-class assignment or homework.

1. Sealing problems are inherent in ________ engines because aluminum cylinder heads expand faster than cast-iron cylinder blocks during the warm-up cycle.
    A. bi-lateral         B. bi-metallic
    C. tri-combustion        D. two-ply

2. The difference in expansion rates between aluminum and cast iron creates a ________ effect that eventually wears out the stainless steel “fire ring” that keeps combustion gases from entering the cooling system.
    A. washing           B. lubricating  
    C. scrubbing         D. expansion

3. The early stages of cylinder head gasket failure are often very difficult to detect because cylinder head gasket leakage can be very _____________  and load-sensitive.
    A. temperature-        B. drastic-
    C. bearing-         D. humid-

4. Coolant leakage into a combustion chamber eventually progresses to the point that it begins to foul the spark plug and causes a cylinder ___________.
    A. stroke        B. burnout
    C. crack         D. misfire

5. After removing the cylinder head, the technician should always visually inspect for _________, cracking and valve leakage.
    A. warping        B. bubbles
    C. branding         D. sparkles

6. The amount of stock that can be removed during cylinder head resurfacing largely depends upon the amount of warping present in the cylinder head, the stock available for removal and the ______________ recommendations concerning resurfacing.
    A. instructor’s        B. driver’s
    C. manufacturer’s     D. installer’s

7. To make up for gasket surface machining, some aftermarket gasket manufacturers may supply steel gasket shims or __________ head gaskets that compensate for stock removal.
    A. thinner        B. thicker
    C. plastic         D. self-rising

8. Because over-torquing can ruin modern intake manifolds, follow correct _______ torque sequencing and values when assembling the manifold, plenum and related parts.
    A. shim            B. bolt
    C.  flange        D. nut

9. Keep in mind that most modern cylinder head gaskets should be installed __________, without additional sealants.
    A. upside-down     B. lubricated
    C. greased            D. dry


Scroll Down For Solution to Pop Quiz














Solution to the February Pop Quiz: Head Gaskets

The following are the answers to the Pop Quiz: Head Gaskets test on page 32 of the February issue.


Instructors can use this as an in-class assignment or homework.


1. B. bi-metallic


2. C.  scrubbing     


3. A. temperature     


4. D. misfire     


5. A. warping     


6. C. manufacturer’s     


7. B. thicker            


8.  B. bolt              


9.  D. dry



You May Also Like

AAPEX Accepting Student Program Applications

AAPEX is offering two options for students to attend this year’s event.

AAPEX is dedicated to bringing the best talent to the automotive aftermarket industry, and as part of this initiative, is offering two options for students to attend this year’s event, as well as an opportunity for aftermarket companies to get involved in the program. 

The first option is the Student Sponsorship Program that invites students to apply to attend AAPEX for first-hand industry experience and networking opportunities. Students selected for participation will receive two days of learning, including access to all AAPEX training and general education sessions, as well as hosted functions. Participants will receive complimentary AAPEX registration, reception tickets, a three-night hotel stay in Las Vegas, and a food and transportation stipend. To apply, visit the Student Sponsorship Program. Applications are due by Thursday, Aug. 24. 

ASE Education Foundation Congratulates SkillsUSA Winners

Students from ASE-accredited programs were among the winners at the SkillsUSA competition last month in Atlanta, Georgia.

Mitchell 1 Names 2023 Educator of the Year

Ryan Washington, instructor at Community College of Baltimore County in Hunt Valley, Maryland, earned this distinction.

Standard Motor Products Continues Growth of VVT Program

Recently released Standard variable valve timing (VVT) sprockets are now available for another 8.8 million vehicles.

Hunter Engineering Partners with Lincoln Tech

New collaboration offers training for local techs and student career opportunities, including ADAS.

Other Posts

Celebrate Summer with Federated Facebook Contest

Federated will announce four lucky winners of a $50 gift card on each Friday in July and one grand prize winner of a $500 gift card on Aug. 4.

ASCEF Awards Scholarships to 28 Aspiring Automotive Students

The board of trustees awarded 34 scholarships to 28 students for a total of $18,000.

SMP Releases 156 New Part Numbers in June

This latest release provides new coverage in 61 different product categories.

ASE to Sponsor U.S. Auto Tech National Championship

The qualifying round ends on July 31, 2023.