Power Engineering 4A EXAM 2026-2027 LATEST
UPDATED VERSION 1900 QUESTIONS AND ANSWERS
The three main types of DC generators:
Select one:
a. Are self-excited
b. Are excited by load current
c. Are all separately excited
d. Develop constant voltage regardless of load - answer>>A
One of the key components of a maintenance management system is:
Select one:
a. Keeping the budget a secret so people don't spend money
b. Ensuring the talk button is not held down
c. An inventory program
d. Emergency shutdowns - answer>>C
With static or kinetic friction, the force of friction is proportional to the _______ that presses the two
surfaces together.
Select one:
a. Mass
b. Force
c. Energy
d. Pressure - answer>>B
Confined spaces include the following, except for:
Select one:
a. Deaerators
,b. Boilers
c. MCC room
d. stacks - answer>>C
When projecting views of an object, the key view is the _____ view.
Select one:
a. Left side
b. Front
c. Right side
d. Bottom - answer>>B
The nitrogen oxides in flue gas may be reduced by:
Select one:
a. Reducing the available oxygen
b. Scrubbing the flue gas with lime
c. Decreasing the size of the furnace
d. Employing a dilute sulphuric acid scrubbing system - answer>>A
The Bourdon tube is often shaped in the form of a "C", having an arc span of about:
Select one:
a. 270 degrees
b. 90 degrees
c. 180 degrees
d. 200 degrees - answer>>A
Fire pump testing is described in the standard:
Select one:
a. NFPA 25
,b. NFPA 13
c. NFPA 20
d. NFPA 14 - answer>>A
The total enthalpy of 11 kg of steam at 950 kPa abs is 24 528.713 kJ. Determine the dryness of the
steam.
Select one:
a. 0.54
b. 0.64
c. 0.68
d. 0.73
e. 0.87 - answer>>D
Medium carbon steel becomes difficult to weld when its carbon content exceeds:
Select one:
a. 0.25%
b. 0.35%
c. 10%
d. 3.50% - answer>>B
_________ heat is the amount of heat required to raise the temperature of a unit mass of a substance
by 1°C, without changing the state of the substance.
Select one:
a. Sensible.
b. Latent.
c. Specific.
d. Super.
e. Saturated. - answer>>C
, Regulations require that the minimum distance between an oil-fired furnace and an indoor oil storage
tank must be:
Select one:
a. 0.6 m
b. 4.7 m
c. 7 m
d. 5.2 m - answer>>A
One of the commonly accepted document control best practices is to:
Select one:
a. Securely stored documents in the personal drive of the designated document control officer
b. Store controlled documents in multiple locations
c. Have limited circulation of printed copies
d. Keep outdated documents for future reference - answer>>C
What effect does NOx have on the environment?
Select one:
a. it can magnify the effects of carbon dioxide
b. it can cause neutralization of the oceans
c. it can cause industrial smog
d. it contributes to acid rain - answer>>D
An early shell-type boiler had ___________ as its heating surface:
Select one:
a. Two passes along the shell or drum
b. The total shell side and one end plate or head
c. The lower part of the shell and the rear plate or head
d. Only the lower part of the shell - answer>>D
UPDATED VERSION 1900 QUESTIONS AND ANSWERS
The three main types of DC generators:
Select one:
a. Are self-excited
b. Are excited by load current
c. Are all separately excited
d. Develop constant voltage regardless of load - answer>>A
One of the key components of a maintenance management system is:
Select one:
a. Keeping the budget a secret so people don't spend money
b. Ensuring the talk button is not held down
c. An inventory program
d. Emergency shutdowns - answer>>C
With static or kinetic friction, the force of friction is proportional to the _______ that presses the two
surfaces together.
Select one:
a. Mass
b. Force
c. Energy
d. Pressure - answer>>B
Confined spaces include the following, except for:
Select one:
a. Deaerators
,b. Boilers
c. MCC room
d. stacks - answer>>C
When projecting views of an object, the key view is the _____ view.
Select one:
a. Left side
b. Front
c. Right side
d. Bottom - answer>>B
The nitrogen oxides in flue gas may be reduced by:
Select one:
a. Reducing the available oxygen
b. Scrubbing the flue gas with lime
c. Decreasing the size of the furnace
d. Employing a dilute sulphuric acid scrubbing system - answer>>A
The Bourdon tube is often shaped in the form of a "C", having an arc span of about:
Select one:
a. 270 degrees
b. 90 degrees
c. 180 degrees
d. 200 degrees - answer>>A
Fire pump testing is described in the standard:
Select one:
a. NFPA 25
,b. NFPA 13
c. NFPA 20
d. NFPA 14 - answer>>A
The total enthalpy of 11 kg of steam at 950 kPa abs is 24 528.713 kJ. Determine the dryness of the
steam.
Select one:
a. 0.54
b. 0.64
c. 0.68
d. 0.73
e. 0.87 - answer>>D
Medium carbon steel becomes difficult to weld when its carbon content exceeds:
Select one:
a. 0.25%
b. 0.35%
c. 10%
d. 3.50% - answer>>B
_________ heat is the amount of heat required to raise the temperature of a unit mass of a substance
by 1°C, without changing the state of the substance.
Select one:
a. Sensible.
b. Latent.
c. Specific.
d. Super.
e. Saturated. - answer>>C
, Regulations require that the minimum distance between an oil-fired furnace and an indoor oil storage
tank must be:
Select one:
a. 0.6 m
b. 4.7 m
c. 7 m
d. 5.2 m - answer>>A
One of the commonly accepted document control best practices is to:
Select one:
a. Securely stored documents in the personal drive of the designated document control officer
b. Store controlled documents in multiple locations
c. Have limited circulation of printed copies
d. Keep outdated documents for future reference - answer>>C
What effect does NOx have on the environment?
Select one:
a. it can magnify the effects of carbon dioxide
b. it can cause neutralization of the oceans
c. it can cause industrial smog
d. it contributes to acid rain - answer>>D
An early shell-type boiler had ___________ as its heating surface:
Select one:
a. Two passes along the shell or drum
b. The total shell side and one end plate or head
c. The lower part of the shell and the rear plate or head
d. Only the lower part of the shell - answer>>D
