Power Engineering 4A Mega Questions With Complete
Solutions
____________ heat exchangers are not usually used with steam,
because condensate does not easily drain from them.
a. Finned Tube
b. Plate type
c. Straight Tube
d. U-tube Correct Answers b. Plate type
"Transpiration" is the process where:
a. animals inhale oxygen
b. plants release water
c. dissolved oxygen is expelled from water
d. water vapour goes through a phase change Correct Answers
b. plants release water
( 4-080-2.2) When reading the dials of a kilowatt hour meter,
read:
a. Them in the sequence shown by the letters under each
b. Them from left to right
c. The ones that rotate clockwise first
d. Them from right to left Correct Answers d. Them from right
to left
( 4-081-1.13) The strength of the magnetic field produced in a
shunt wound generator:
,a. Is weak
b. Is fairly constant
c. Is regulated by an external AC supply
d. Increases with generator load Correct Answers b. Is fairly
constant
( 4-081-1.8) ___________ are used on motors and generators to
produce the strong magnetic field required by these machines.
a. Insulated wires
b. Transformers
c. Rheostats
d. Pole pieces Correct Answers d. Pole pieces
( 4-081-2.14) Synchronous motors are desirable because they
can
a. Start alternators
b. Lower the power factor of a system
c. Replace variable-speed DC motors
d. Improve the power factor of a system Correct Answers d.
Improve the power factor of a system
( 4-090-1.5) A disadvantage of a cast iron boiler is:
a. It is subject to corrosion
b. Its difficult assembly
c. Its extremely high cost
d. They are prone to leaks in-between the sections Correct
Answers d. They are prone to leaks in-between the sections
,(4-001-1.1) In the early days, owners of power plants hired
_____ workers, who started out doing manual labour and
through acquired experience they were promoted to jobs with
gradually increasing levels of skill.
A. Trained
B. Unskilled
C. Qualified
D. Highly educated Correct Answers B. Unskilled
(4-001-1.11) In a power plant, the power engineer may function
as a supervisor who directs others in the _____ operation on a
shift.
A. administrative and co-operative
B. safe and efficient
C. shipping and receiving
D. occasional careful Correct Answers B. safe and efficient
(4-001-1.3) In order to produce greater efficiency, higher boiler
pressures were used. This led to _____ due to the employment
of unqualified power plant operators.
A. Higher efficiency
B. Economic gains
C. Serious accidents
D. Safer working conditions Correct Answers C. Serious
accidents
(4-001-1.5) The holder of a Certificate of Competency, the
classification of which authorises him or her to act as a engineer,
, may sketch, construct, install, operate, repair, and give advice on
all things pertaining to any _____ in which that person is
employed.
A. Welding shop
B. Hydro plant
C. Fish plant
D. Power plant Correct Answers D. Power plant
(4-001-1.6) Unqualified individuals operating a power plant or
pressure plant risk the _____ of the plant and the general public.
a. Economy
b. Safety
c. Health
d. Resources Correct Answers b. Safety
(4-001-1.8) Power engineers are:
A. Qualified to make design changes in a power plant
B. Qualified to perform any welding jobs in a power plant
C. Automatically Safety code officers in a power plant
D. Skilled workers who operate and maintain the equipment in a
power plan Correct Answers D. Skilled workers who operate
and maintain the equipment in a power plan
(4-001-1.9) Power engineers can usually expect to work:
A. Straight 12 hour day shifts
B. Straight 8 hour night shifts
C. Straight 12 hour night shifts
Solutions
____________ heat exchangers are not usually used with steam,
because condensate does not easily drain from them.
a. Finned Tube
b. Plate type
c. Straight Tube
d. U-tube Correct Answers b. Plate type
"Transpiration" is the process where:
a. animals inhale oxygen
b. plants release water
c. dissolved oxygen is expelled from water
d. water vapour goes through a phase change Correct Answers
b. plants release water
( 4-080-2.2) When reading the dials of a kilowatt hour meter,
read:
a. Them in the sequence shown by the letters under each
b. Them from left to right
c. The ones that rotate clockwise first
d. Them from right to left Correct Answers d. Them from right
to left
( 4-081-1.13) The strength of the magnetic field produced in a
shunt wound generator:
,a. Is weak
b. Is fairly constant
c. Is regulated by an external AC supply
d. Increases with generator load Correct Answers b. Is fairly
constant
( 4-081-1.8) ___________ are used on motors and generators to
produce the strong magnetic field required by these machines.
a. Insulated wires
b. Transformers
c. Rheostats
d. Pole pieces Correct Answers d. Pole pieces
( 4-081-2.14) Synchronous motors are desirable because they
can
a. Start alternators
b. Lower the power factor of a system
c. Replace variable-speed DC motors
d. Improve the power factor of a system Correct Answers d.
Improve the power factor of a system
( 4-090-1.5) A disadvantage of a cast iron boiler is:
a. It is subject to corrosion
b. Its difficult assembly
c. Its extremely high cost
d. They are prone to leaks in-between the sections Correct
Answers d. They are prone to leaks in-between the sections
,(4-001-1.1) In the early days, owners of power plants hired
_____ workers, who started out doing manual labour and
through acquired experience they were promoted to jobs with
gradually increasing levels of skill.
A. Trained
B. Unskilled
C. Qualified
D. Highly educated Correct Answers B. Unskilled
(4-001-1.11) In a power plant, the power engineer may function
as a supervisor who directs others in the _____ operation on a
shift.
A. administrative and co-operative
B. safe and efficient
C. shipping and receiving
D. occasional careful Correct Answers B. safe and efficient
(4-001-1.3) In order to produce greater efficiency, higher boiler
pressures were used. This led to _____ due to the employment
of unqualified power plant operators.
A. Higher efficiency
B. Economic gains
C. Serious accidents
D. Safer working conditions Correct Answers C. Serious
accidents
(4-001-1.5) The holder of a Certificate of Competency, the
classification of which authorises him or her to act as a engineer,
, may sketch, construct, install, operate, repair, and give advice on
all things pertaining to any _____ in which that person is
employed.
A. Welding shop
B. Hydro plant
C. Fish plant
D. Power plant Correct Answers D. Power plant
(4-001-1.6) Unqualified individuals operating a power plant or
pressure plant risk the _____ of the plant and the general public.
a. Economy
b. Safety
c. Health
d. Resources Correct Answers b. Safety
(4-001-1.8) Power engineers are:
A. Qualified to make design changes in a power plant
B. Qualified to perform any welding jobs in a power plant
C. Automatically Safety code officers in a power plant
D. Skilled workers who operate and maintain the equipment in a
power plan Correct Answers D. Skilled workers who operate
and maintain the equipment in a power plan
(4-001-1.9) Power engineers can usually expect to work:
A. Straight 12 hour day shifts
B. Straight 8 hour night shifts
C. Straight 12 hour night shifts
