Variable Intake Manifolds Are Being Discussed

question 1

Multiple Choice

Variable intake manifolds are being discussed. Technician A says an intake manifold tuning (IMT) system uses a butterfly valve to divide the plenum into two small chambers at low speeds. At high engine speeds, the butterfly valve opens to form one large plenum chamber. Technician B says the intake manifold runner control (IMRC) system changes the path of air between long and short runners or between small-diameter and large-diameter runners according to engine speed. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Single-Parents

Individuals who are raising children on their own without the support of a partner or spouse.

Dual-Employed

Pertaining to households or partnerships where both members are engaged in paid employment.

Authoritarian Parenting

A strict parenting style characterized by high demands and low responsiveness, where obedience from the child is expected without much open dialogue or nurturing.

Demanding

Requiring much time, effort, or attention, often in a way that is seen as challenging.