1|Page
HESI RADIOLOGY EXIT EXAM PREP VERSION 1
EXAM QUESTIONS AND ANSWERS PRACTICE
QUESTIONS WITH SOLUTIONS NEWEST | ALREADY
GRADED A+
A cummutator ring is used to change ________ current to _______
current in an electric generator.
a. alternating, amplified
b. direct, amplified
c. alternating, direct
d. direct, alternating ......ANSWER......d
The most efficient type of transformer is the
a. Shell-type transformer.
b. Autotransformer.
c. Closed-core transformer.
d. Single-winding transformer. ......ANSWER......a
A device that converts any form of energy into electrical energy is a
source of
a. Thermionic emission.
b. Electromotive force.
pg. 1
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c. Magnetic strength.
d. Gravitational force. ......ANSWER......b
The number of windings on the primary side of a step-up transformer
are always ___
the number of windings on the secondary side.
a. less than
b. greater than
c. the same as
d. half of ......ANSWER......a
Mechanical motion produces electric current in the ________.
a. electromagnet
b. electric motor
c. electric transformer
d. electric generator ......ANSWER......b
The two basic types of induction are _________ induction and
_________ induction.
a. electronic, mechanical
b. double, single
c. self, mutual
d. AC, DC ......ANSWER......c
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A transformer converts
a. Mechanical energy to electrical energy.
b. Electrical potential to higher or lower intensity.
c. Electrical energy to mechanical energy.
d. Mechanical energy to magnetic fields. ......ANSWER......b
A transformer has 100 coils on the primary side and 300 coils on the
secondary side. What will the voltage be on the secondary side if the
primary side is supplied with 120 volts?
a. 100 V
b. 300 V
c. 360 V
d. 3600 V ......ANSWER......c
A transformer has 600 coils on its primary side and 30 coils on its
secondary side. What is the voltage on the secondary side when the
primary side is 220 V?
a. 4400 V
b. 660 V
c. 22 V
d. 11 V ......ANSWER......d
pg. 3
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The current to a transformer must be supplied by a(n)
a. AC source.
b. DC source.
c. Battery.
d. Any of the above. ......ANSWER......a
What is the mechanical source of energy for electrical generators that
supply electricity to our cities?
a. waterfalls
b. steam from atomic power
c. windmills
d. Any of the above. ......ANSWER......d
The three main parts of the x-ray imaging system are the x-ray tube,
_____, and ______.
a. protective barrier, tabletop
b. operating console, high voltage generator
c. rectification circuit, operating console
d. crane assembly, tabletop ......ANSWER......b
. The operating console contains circuits that are
a. Both high voltage and low voltage.
b. High voltage only.
pg. 4
HESI RADIOLOGY EXIT EXAM PREP VERSION 1
EXAM QUESTIONS AND ANSWERS PRACTICE
QUESTIONS WITH SOLUTIONS NEWEST | ALREADY
GRADED A+
A cummutator ring is used to change ________ current to _______
current in an electric generator.
a. alternating, amplified
b. direct, amplified
c. alternating, direct
d. direct, alternating ......ANSWER......d
The most efficient type of transformer is the
a. Shell-type transformer.
b. Autotransformer.
c. Closed-core transformer.
d. Single-winding transformer. ......ANSWER......a
A device that converts any form of energy into electrical energy is a
source of
a. Thermionic emission.
b. Electromotive force.
pg. 1
,2|Page
c. Magnetic strength.
d. Gravitational force. ......ANSWER......b
The number of windings on the primary side of a step-up transformer
are always ___
the number of windings on the secondary side.
a. less than
b. greater than
c. the same as
d. half of ......ANSWER......a
Mechanical motion produces electric current in the ________.
a. electromagnet
b. electric motor
c. electric transformer
d. electric generator ......ANSWER......b
The two basic types of induction are _________ induction and
_________ induction.
a. electronic, mechanical
b. double, single
c. self, mutual
d. AC, DC ......ANSWER......c
pg. 2
,3|Page
A transformer converts
a. Mechanical energy to electrical energy.
b. Electrical potential to higher or lower intensity.
c. Electrical energy to mechanical energy.
d. Mechanical energy to magnetic fields. ......ANSWER......b
A transformer has 100 coils on the primary side and 300 coils on the
secondary side. What will the voltage be on the secondary side if the
primary side is supplied with 120 volts?
a. 100 V
b. 300 V
c. 360 V
d. 3600 V ......ANSWER......c
A transformer has 600 coils on its primary side and 30 coils on its
secondary side. What is the voltage on the secondary side when the
primary side is 220 V?
a. 4400 V
b. 660 V
c. 22 V
d. 11 V ......ANSWER......d
pg. 3
, 4|Page
The current to a transformer must be supplied by a(n)
a. AC source.
b. DC source.
c. Battery.
d. Any of the above. ......ANSWER......a
What is the mechanical source of energy for electrical generators that
supply electricity to our cities?
a. waterfalls
b. steam from atomic power
c. windmills
d. Any of the above. ......ANSWER......d
The three main parts of the x-ray imaging system are the x-ray tube,
_____, and ______.
a. protective barrier, tabletop
b. operating console, high voltage generator
c. rectification circuit, operating console
d. crane assembly, tabletop ......ANSWER......b
. The operating console contains circuits that are
a. Both high voltage and low voltage.
b. High voltage only.
pg. 4
