Power Engineering 3B2 Chapter 15 Questions With
Complete Solutions
A common tool used in general alignment work is a:
a. Hammer
b. Level
c. Micrometer
d. Dial indicator
e. All of the above. Correct Answers d
A fan is driven through a set of V belts that contain 5 belts. The
belts are 16 months old when the second belt from the outside of
the sheave breaks. You should:
a. Replace the broken belt with a new one and use belt dressing
on the old one
b. Continue to operate with the four remaining belts, applying a
good quality belt dressing
c. Replace the complete set of belts with a new set
d. Replace the drive assembly with a chain drive
e. Replace both the outside belt and the broken one. Correct
Answers c
A feeler gauge is used:
1. To check for angular alignment
2. To check for parallel alignment
3. To take readings at three places on the coupling faces
4. To give more accurate readings than a straight edge when
aligning couplings
a. 1, 3, 4
b. 2, 3, 4
c. 2, 3
,d. 1, 2, 4
e. 2, 4. Correct Answers d
A key ingredient that will help it to operate effectively and
efficiently is:
a. Effective communications.
b. Written communication.
c. Spoken communication.
d. Visual communication.
e. A good telephone system. Correct Answers a
A machine operating with vibration above the safe limits should
be immediately reported to the:
a. Supervisor
b. Safety committee
c. Workers, Compensation Board
d. Manufacturer
e. Plant manager. Correct Answers a
A rough check of the belt tension can be made by:
a. Measuring the distance between the upper and lower loop of
the belt
b. Measuring the distance between the center line of the sheaves
and the bottom of the belt loop
c. Measuring total belt wobble on the lower loop while in
operation
d. Striking the belt with your fist
e. Striking the belt with a rubber mallet. Correct Answers d
A Third Class Chief Engineer should be familiar with the
following maintenance management areas:
,1. Preventative maintenance.
2. Management information system.
3. Work order system.
4. Planning and scheduling work.
a. 1, 2, 3
b. 1, 3, 4
c. 2, 3, 4
d. 1,2
e. 3, 4. Correct Answers b
A wedge type of drive belt:
1. Works better with small diameter sheaves than does a V-belt
2. Has a wider range of application for each size than the
standard V belts
3. Has a smaller cross-section for the same rating as a V belt
4. Is made of cheaper material than v belts due to design
a. 1,2,3
b. 2,3
c. 1,2,4
d. 1,3
e. 2,3,4 Correct Answers a
After installing new V belts:
1. Start the motor after setting tension and alignment and run
long enough to seat the belts in the grooves
2. Start the unit and run for 72 hours then recheck the belt
tension as new belts sometimes stretch
3. Recheck the belt tension after 24 hours of operation and make
correction if required
4. Keep the belts free of grease or oil
a. 1, 2, 3
, b. 1, 3, 4
c. 2, 3, 4
d. 1, 2, 4
e. 1, 2, 3, 4. Correct Answers b
Areas of maintenance that must be scheduled can be located by:
1. Foreman or shift supervisor inspections
2. Regular observation by the operators
3. Government inspections
4. Insurance inspections a. 1,2,3,4
b. 1,2,3 c. 1,3,4 d. 1,2
e. 3,4. Correct Answers a
As part of the environmental management program it is
important for the company to keep in touch with the public by:
1. Brochures and info about future plans.
2. Emergency phone number in case they have a concern with
operation of the facility.
3. Provide them with an emergency evacuation plan.
a. 1
b. 2
c. 3
d. 1,2
e. 1,2,3. Correct Answers e
Assume that a steam turbine drives a relatively cold water pump.
In that case while both turbine and pump are being aligned in
cold condition, the centerline of the turbine should be set with
respect to the centerline of the pump:
a. Slightly higher
b. Slightly lower
Complete Solutions
A common tool used in general alignment work is a:
a. Hammer
b. Level
c. Micrometer
d. Dial indicator
e. All of the above. Correct Answers d
A fan is driven through a set of V belts that contain 5 belts. The
belts are 16 months old when the second belt from the outside of
the sheave breaks. You should:
a. Replace the broken belt with a new one and use belt dressing
on the old one
b. Continue to operate with the four remaining belts, applying a
good quality belt dressing
c. Replace the complete set of belts with a new set
d. Replace the drive assembly with a chain drive
e. Replace both the outside belt and the broken one. Correct
Answers c
A feeler gauge is used:
1. To check for angular alignment
2. To check for parallel alignment
3. To take readings at three places on the coupling faces
4. To give more accurate readings than a straight edge when
aligning couplings
a. 1, 3, 4
b. 2, 3, 4
c. 2, 3
,d. 1, 2, 4
e. 2, 4. Correct Answers d
A key ingredient that will help it to operate effectively and
efficiently is:
a. Effective communications.
b. Written communication.
c. Spoken communication.
d. Visual communication.
e. A good telephone system. Correct Answers a
A machine operating with vibration above the safe limits should
be immediately reported to the:
a. Supervisor
b. Safety committee
c. Workers, Compensation Board
d. Manufacturer
e. Plant manager. Correct Answers a
A rough check of the belt tension can be made by:
a. Measuring the distance between the upper and lower loop of
the belt
b. Measuring the distance between the center line of the sheaves
and the bottom of the belt loop
c. Measuring total belt wobble on the lower loop while in
operation
d. Striking the belt with your fist
e. Striking the belt with a rubber mallet. Correct Answers d
A Third Class Chief Engineer should be familiar with the
following maintenance management areas:
,1. Preventative maintenance.
2. Management information system.
3. Work order system.
4. Planning and scheduling work.
a. 1, 2, 3
b. 1, 3, 4
c. 2, 3, 4
d. 1,2
e. 3, 4. Correct Answers b
A wedge type of drive belt:
1. Works better with small diameter sheaves than does a V-belt
2. Has a wider range of application for each size than the
standard V belts
3. Has a smaller cross-section for the same rating as a V belt
4. Is made of cheaper material than v belts due to design
a. 1,2,3
b. 2,3
c. 1,2,4
d. 1,3
e. 2,3,4 Correct Answers a
After installing new V belts:
1. Start the motor after setting tension and alignment and run
long enough to seat the belts in the grooves
2. Start the unit and run for 72 hours then recheck the belt
tension as new belts sometimes stretch
3. Recheck the belt tension after 24 hours of operation and make
correction if required
4. Keep the belts free of grease or oil
a. 1, 2, 3
, b. 1, 3, 4
c. 2, 3, 4
d. 1, 2, 4
e. 1, 2, 3, 4. Correct Answers b
Areas of maintenance that must be scheduled can be located by:
1. Foreman or shift supervisor inspections
2. Regular observation by the operators
3. Government inspections
4. Insurance inspections a. 1,2,3,4
b. 1,2,3 c. 1,3,4 d. 1,2
e. 3,4. Correct Answers a
As part of the environmental management program it is
important for the company to keep in touch with the public by:
1. Brochures and info about future plans.
2. Emergency phone number in case they have a concern with
operation of the facility.
3. Provide them with an emergency evacuation plan.
a. 1
b. 2
c. 3
d. 1,2
e. 1,2,3. Correct Answers e
Assume that a steam turbine drives a relatively cold water pump.
In that case while both turbine and pump are being aligned in
cold condition, the centerline of the turbine should be set with
respect to the centerline of the pump:
a. Slightly higher
b. Slightly lower
