AMT 212 WEEK 1 PPT 3

Question 1

Components of the valve Operating Mechanism

Answer 1

• CRANKSHAFT
• CAMSHAFT
• CAMLOBE
• TAPPET VALVE
• PUSH ROD
• ROCKER ARM
• VALVE AND SPRING ASSEMBLY

Question 2

Is the component that
initiates the operation of the
valve operating mechanism.

Answer 2

Crankshaft

Question 3

Is the component driven by
the crankshaft responsible for
the opening and closing of the
intake and exhaust valves
through the lobes as the shaft
rotates.

Answer 3

Camshaft

Question 4

Is a component connected
with the push rod that
converts the rotational
motion of the camshaft into
linear motion of the push rod.

Answer 4

Tappet valve

Question 5

Is the component of the valve
operating mechanism moving
in linear motion that pushes
the rocker arm to open the
intake and exhaust valve.

Answer 5

Push Rod

Question 6

Is a component that is
controlled by the movement
of the push rod that pushes
the intake and exhaust valves
open.

Answer 6

Rocker Arm

Question 7

Valve Spring Assembly

Answer 7

• Inner and Outer Valve
  spring
• Retainers
• Split key
• Valve Guide
• Valve seat
• Intake and Exhaust valves

Question 8

The functions of the valve
springs are to close the valve
and to hold the valve securely
on the valve seat.

Answer 8

Inner and outer valve springs

Question 9

Is a component or part of the
spring assembly that holds
the valve stem to the retainer.

Answer 9

Split key

Question 10

A valve guide is a cylindrical
piece of metal, pressed or
integrally cast into the cylinder
head, with the valve
reciprocating inside it.

Answer 10

Valve Guide

Question 11

The valve seat is the surface
against which an intake or an
exhaust valve rests during the
portion of the engine
operating cycle when the valve
is closed.

Answer 11

Valve seat

Question 12

Are the components being
driven into precise timing by
the whole operation of the
valve operating mechanism.

Answer 12

Intake and exhaust valve