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Heating/AC, engine performance, and transmission Knowledge

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

During this cycle, a valve opens as a connecting rod pulls the piston DOWN, drawing the air/gas mixture into the cylinder.

a)

The Compression Stroke

b)

The Power Stroke

c)

The Exhaust Stroke

d)

The Intake Stroke

2.

During this cycle, the spark plug ignites the gas/air mixture, forcing the piston DOWN.

a)

The Power Stroke

b)

The Compression Stroke

c)

The Exhaust Stroke

d)

The Intake Stroke

3.

This automotive part mixes fuel & air mechanically. It was commonly used in automobiles made before 1990, but its function is now performed by fuel injectors on most newer cars.

a)

The throttle

b)

The carburetor

c)

The transmission

d)

The radiator

4.

This part of the cooling system circulates water through "water jackets" surrounding the parts of the engine that reach the highest temperatures.

a)

The Radiator

b)

The Water Pump

c)

The Oil Pump

d)

The Distributor

5.

Water that has absorbed heat from the engine passes through this part, where the outside air cools the water.

a)

The radiator

b)

The manifold

c)

The water pump

d)

The distributor

6.

Engine oil flows

a)

Into the air/fuel mixture in small quantities over time

b)

through the radiator

c)

through the crankshaft and connecting rods

d)

into the water pump if the water temperature reaches 212 degrees Fahrenheit.

7.

A vehicle's ignition system increases the voltage of a standard 12-volt battery to _______ , then sends the current to the spark plugs.

a)

240 volts

b)

36 volts

c)

20,000 volts

d)

12,000 volts

8.

Choose the correct order for four stroke cycle.

a)

Intake, exhaust, compression, power

b)

Power, exhaust, intake, compression

c)

Intake, compression, power, exhaust

d)

Compression, power, intake, exhaust

9.

Names this pedals in a proper sequence.

a)

Pause,stop and play

b)

Clutch, brake and accelerator

c)

Brake, clutch and accelerator

d)

Play, pause and Stop

10.

Cylinder head gasket

a)
b)
c)
d)
11.

Cam shaft

a)
b)
c)
d)
12.

Which of these elements are engine components?

a)

Valvetrain, Cranktrain, Chain/Belt, Acc, Drivers.

b)

Suspension, steering, brakes, tires.

c)

Transmission, Clutch, Differential, Axels/CV.

d)

Body-in-white, Frame, Seating, Restrains.

13.

A normal car works with:

a)

Reciprocating Motor

b)

Diesel motor

c)

Rotatory motor

d)

Boxer Motor

14.

Induction stroke, Compression Stroke, Power Stroke through a spark & Exhaust Stroke, these steps are called:

a)

Otto´s Cycle

b)

Diesel´s Cycle

c)

Two Stroke Cycle

d)

Wankel´s Cycle

15.

When leaving the compressor what state is the refrigerant in?

a)

High Pressure, High Temperature gas

b)

High Pressure, High Temperature liquid

c)

Low Pressure, low Temperature gas

d)

Low Pressure, low Temperature gas

16.

The main components of the Air conditioning system are

a)

Thermistor, condenser, flow control and an evaporator.

b)

Fan blower, condenser, flow control and an evaporator.

c)

Compressor, condenser, TXV and an evaporator.

d)

Drainage, condenser, flow control and an evaporator.

17.

In the picture it is a important part of engine, responsible for the opening of the valves.

a)

Crankshaft

b)

Piston

c)

Camshaft

d)

Manifolds

18.
____________ is the measurement of how hot or cold something feels.
a)
BTU
b)
freezing
c)
temperature
d)
comfort
19.
The __________is placed ahead of the radiator, allowing it to receive maximum air flow from vehicle movement and coolant fan operation. 
a)
condenser
b)
compressor
c)
evaporator
d)
orifice tube
20.

This part of the cooling system circulates water through "water jackets" surrounding the parts of the engine that reach the highest temperatures.

a)

The Radiator

b)

The Water Pump

c)

The Oil Pump

d)

The Distributor