100% Outlined Answers
\Q\.At a power plant, a certain amount of record keeping is mandatory. This record keeping is
carried out in order to comply with the:
1. Provincial Boilers and Pressure Vessels Act and Regulations.
2. Rules of the Provincial Worker's Compensation Board.
3. ASME codes.
4. Insurance companies. - ANSWERS✔-1, 2, 4
\Q\.The main application of a HRSG is: - ANSWERS✔-Generating steam using the exhaust gas of
a gas turbine as a heat source
\Q\.A jacking oil pump is used to:
1. Make slight adjustments to the turbine bearing housings during overhaul to maintain
alignment.
2. Supply oil under the shaft of the bearing for a specific time.
3. Supply oil to the bearings under the shaft at all times so lubrication is assured.
4. Supply a low volume of oil at high pressure. - ANSWERS✔-2, 4
\Q\.Small turbines, used to drive auxiliary equipment, are usually lubricated by: - ANSWERS✔-
Ring-oiled bearings
\Q\.A simple condenser with low installation cost would be: - ANSWERS✔-Air-cooled
,\Q\.The lobe type compressor runs at speeds up to about _____ RPM. - ANSWERS✔-1750
\Q\.Which of the following are the two broad classifications of preventive maintenance?
1. Actual work.
2. Paper work.
3. Mechanical work.
4. Temporary work. - ANSWERS✔-2, 3
\Q\.The oil filter in a diesel engine lubricating system is: - ANSWERS✔-Between the pump and
oil cooler
\Q\.Centrifugal compressors are commonly used for: - ANSWERS✔-Large volume, low-pressure
applications
\Q\.To ensure a tight seal, a steam turbine balance piston is fitted with _____. - ANSWERS✔-
Labyrinth seals
\Q\.A capillary tube is mainly used on: - ANSWERS✔-Small household systems
\Q\.When shutting down a turbine, the first thing done is: - ANSWERS✔-Reduce the load to zero
\Q\.The choke in a carburetor produces a _____ mixture for cold engine starts. - ANSWERS✔-
Rich air-oil
\Q\.In a Horizontal Rectangular Direct Fired Heater, the _____ is/are mounted on the floor of
the furnace and extend along a center line from the front to the back of the furnace. -
ANSWERS✔-Burners
, \Q\.When lighting a fired heater, the step immediately following purging of the furnace is: -
ANSWERS✔-Energizing the electric igniter
\Q\.The oil separator is always inserted in the system: - ANSWERS✔-In the discharge line
\Q\.The axial flow compressor's basic operating principle is similar to a: - ANSWERS✔-Reaction
turbine in reverse
\Q\.In a cogeneration system the thermal load can be controlled by which two of the following
strategies:
1. Fixed production of a minimum thermal energy
2. Varying requirements for thermal energy
3. Base loaded for maximum thermal energy
4. Topping for minimum thermal energy - ANSWERS✔-1, 2
\Q\.The automatic expansion valve is controlled by: - ANSWERS✔-The evaporator pressure
\Q\.In a reaction turbine:
1. Velocity increases in the moving blades
2. Velocity decreases in the stationary blades
3. Pressure drops in the moving blades
4. Pressure drops in the stationary blades - ANSWERS✔-3, 4
\Q\.Oil in a typical turbine lube oil system is supplied to various components at _____
pressure/s. - ANSWERS✔-2