60-3

60-3

University

5 Qs

quiz-placeholder

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60-3

60-3

Assessment

Quiz

Professional Development

University

Hard

Created by

Eric Adams

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 20 pts

In stand-by mode, the reefer power is sourced from __________.

Select one:

a.The compressor driven by the diesel engine

b.The compressor driven by a petrol engine

c.The vehicle’s battery supply

d.A connection to a power grid or shore power source

2.

MULTIPLE CHOICE QUESTION

30 sec • 20 pts

In a vehicle-powered refrigeration unit, what is usually used to transfer heat to the temperature-controlled product compartment in the winter?

Select one:

a.Electric heater

b.Evaporator

c.Engine coolant

d.Electric motor

3.

MULTIPLE CHOICE QUESTION

30 sec • 20 pts

Technician A says that larger reefer units use compressors that have three cylinders arranged in line. Technician B says larger units use compressors that have four cylinders arranged in a V. Who is correct?

Select one:

Tech A

Tech B

Neither

Both

4.

MULTIPLE CHOICE QUESTION

30 sec • 20 pts

Multi-temp units can regulate temperature using additional __________ mounted in the ceiling.

Select one:

a.Compressors

b.Condensers

c.Accumulators

d.Evaporators

5.

MULTIPLE CHOICE QUESTION

30 sec • 20 pts

One of the latest advancements in powering larger truck refrigeration units is the use of a truck engine–driven, __________ operated electric power generator.

Select one:

a.Mechanically

b.Hydraulically

c.Digitally

d.Battery