DTM Module #2- Basic Theory Of Apparatus Drive Train

Question 1

Speed and power of a Diesel engine are controlled by the amount of _____ injected into the cylinder gasoline engines are controlled by the amount of _____

Answer 1

Fuel

Air

Question 2

Diesel engines are said to have _______ combustion while gasoline engines have ______ combustion

Answer 2

Constant pressure

Constant volume

Question 3

The pump of the torque converter is capable of multiplying engine torque by approximately ___ to ___

Answer 3

2.2 to 1

Question 4

Clutch, cannot slip clutch for more than ____ secs

Answer 4

1 1/2 seconds

Question 5

Lockup clutch, lockup occurs in all forward gears, but not reverse in _____

Answer 5

Automatic transmissions

Question 6

Differential, if one wheel is stopped the other wheel will spin _____ as fast

Answer 6

Twice

Question 7

Air is compressed to approximately ___ psi in a Diesel engine

Answer 7

500 psi

Question 8

The purpose of the power train is to transmit the power of the engine to the ___\

Answer 8

Drive wheels

Question 9

Speed and power of s diesel are controlled by _________\

Answer 9

Amount of fuel injected into the cylinder

Question 10

Driveline must be _______ if the engine cannot be started by towing or pushing beyond a few blocks

Answer 10

Disconnected

Question 11

Heavy apparatus have ___ axles

Answer 11

Full floating

Question 12

A ____ is an axle that supports part of the weight of the vehicle and also dives the wheels that are connected to it

Answer 12

Live axle

Question 13

Temperature of compression stroke in Diesel engines =

Answer 13

1000°, 500 psi

Question 14

Diesel= constant _____

Gasoline = constant ____

Answer 14

Pressure

Volume

Question 15

On heavy apparatus, full floating axles can be removed w/o removing rear wheels

Answer 15

True

Question 16

Clutch driving manners, flywheel, pressure plate, intermediate plate

Answer 16

Yes

Question 17

Driven members, clutch plates, input shaft and transmission

Answer 17

Yes

Question 18

Prop shaft of the same diameter, 
Hollow= weaker
Solid= stronger
Same weight= stronger 
Solid= weaker

Answer 18

Hollow
Solid
Same weight
Solid

Question 19

The main difference between gasoline and diesel engines is the method of introducing fuel into the cylinder and igniting the fuel air mixture. True or false

Answer 19

True

Question 20

In diesel engine there is continuous combustion during the entire length of the______.

Answer 20

Power stroke

Question 21

Gasoline engine is often referred to as having constant volume combustion while diesel is said to have constant _____ combustion

Answer 21

Pressure

Question 22

Diesel= constant _____

Gasoline= constant _____

Answer 22

Pressure

Volume

Question 23

The clutch brake should never be used with the apparatus in motion. True or false

Answer 23

True

Question 24

A U-joint is a flexible coupling between two chefs the permits one shaft to drive another. True or false

Answer 24

True

Question 25

The mail spleen is an integral part of the propeller shaft

Answer 25

True

Question 26

PS I in the compression stroke of a diesel engine is as high as 500 psi as compared to 70–1 25 psi in a gasoline engine

Answer 26

True

Question 27

Diesel engine; heat of compression is used to ignite the fuel-air mixture

Answer 27

True

Question 28

For each pound of pressure exerted there will be an increase of about 2°F, thus the temperature of about 1000°F is reached during compression

Answer 28

True

Question 29

The speed and power output of diesel engines are controlled by the quantity of fuel injected into the cylinder

Answer 29

True

Question 30

On a two-stroke engine the intake and exhaust ports are found on the sides of the cylinder

Answer 30

True

Question 31

Torque converter (2) functions: Act as a fluid coupling and multiplies torque

Answer 31

True

Question 32

A live axle supports part of the weight of the vehicle and drives the wheels connected to it

Answer 32

True

Question 33

3 basic parts to a torque converter=

Answer 33

Pump, turbine and stator

Question 34

The transition provides the means to reverse the direction of power flow

Answer 34

True