ABSA Power Engineering 4B |2000 Questions with
accurate answers
1 ton of refrigeration is: Ans✓✓✓ 233 kJ per minute
206 kPa is equivalent to a head of water of: Ans✓✓✓ 21 m
A ball peen hammer is sometimes referred to as: Ans✓✓✓ A
machinists hammer
A basic law of electricity is, unlike charges attract each other and like
charges: Ans✓✓✓ Repel each other.
A belt driven lubricator is very popular on a: Ans✓✓✓ Sliding vane
unit
A bimetal thermometer reacts to changes of: Ans✓✓✓ Temperature
A bimetal thermometer reacts to changes of: Ans✓✓✓ Temperature
A bimetallic element converts temperature changes to mechanical
motion by using metal different: Ans✓✓✓ Coefficients of expansion
A boiler feed water stop valve: Ans✓✓✓ Is used to isolate the feed
water line
,A boiler pressure relief valve: Ans✓✓✓ Are usually installed on the
boiler
A boiler pressure relief valve: Ans✓✓✓ Are usually installed on the
boiler
A boiler programmer will go through a post purge: Ans✓✓✓ On any
type of shutdown except by power loss
A boiler programmer will go through a post purge: Ans✓✓✓ On any
type of shutdown except by power loss
A cadmium sulphide photoelectric cell: Ans✓✓✓ Will respond to very
light conditions with a varying internal resistance
A cast iron boiler disadvantage is: Ans✓✓✓ It's pressure limitations
A cast iron boiler disadvantage is: Ans✓✓✓ It's pressure limitations
A centrifuge compressor refrigeration system can be stopped simply by
pressing the stop button unless which of the following circumstances is
true? Ans✓✓✓ The systems auxiliary equipment is not electrically
interlocked
,A characteristic of a double serpentine water coil Ans✓✓✓ Low
pressure drop
A chattering or whistling noise coming from a Fossett can be caused by
a worn washer or Ans✓✓✓ A defective internal assembly
A chattering or whistling noise coming from a Fossett can be caused by
a worn washer or Ans✓✓✓ A defective internal assembly
A chisel which is used to cut keyways, channel and slots, is called
Ans✓✓✓ Cape chisel
A chromatograph uses an electronic devices which Ans✓✓✓ Has
inverse resistance properties relative to temperature
A circular chart recorder: Ans✓✓✓ May incorporate a bourdon tube
A closed type expansion tank is usually equipped with: Ans✓✓✓ A
gauge glass
A closed type expansion tank is usually equipped with: Ans✓✓✓ A
gauge glass
A Collar thrust bearing Ans✓✓✓ Has boundary lubrication.
, A collar thrust bearing: Ans✓✓✓ Can prevent a rotating shaft from
moving both axial directions.
Has boundary lubrication.
A compound wound dc generator has a combination of shunt and
Ans✓✓✓ Series characteristics, depending on the predominance of
each type of winding.
A compound wound DC generator may have three characteristics which
are: Ans✓✓✓ Decreasing output voltage versus load.
Constant output voltage.
Rising output voltage versus load.
A compression refrigeration compressor has no flow of refrigerant
through the expansion valve. What with this cause? Ans✓✓✓ Suction
pressure too low
A conductor supplied with current while in a magnetic field will:
Ans✓✓✓ Tend to move at right angles to the flux lines
A conductor supplied with current while in a magnetic field will:
Ans✓✓✓ Tend to move at right angles to the flux lines.
accurate answers
1 ton of refrigeration is: Ans✓✓✓ 233 kJ per minute
206 kPa is equivalent to a head of water of: Ans✓✓✓ 21 m
A ball peen hammer is sometimes referred to as: Ans✓✓✓ A
machinists hammer
A basic law of electricity is, unlike charges attract each other and like
charges: Ans✓✓✓ Repel each other.
A belt driven lubricator is very popular on a: Ans✓✓✓ Sliding vane
unit
A bimetal thermometer reacts to changes of: Ans✓✓✓ Temperature
A bimetal thermometer reacts to changes of: Ans✓✓✓ Temperature
A bimetallic element converts temperature changes to mechanical
motion by using metal different: Ans✓✓✓ Coefficients of expansion
A boiler feed water stop valve: Ans✓✓✓ Is used to isolate the feed
water line
,A boiler pressure relief valve: Ans✓✓✓ Are usually installed on the
boiler
A boiler pressure relief valve: Ans✓✓✓ Are usually installed on the
boiler
A boiler programmer will go through a post purge: Ans✓✓✓ On any
type of shutdown except by power loss
A boiler programmer will go through a post purge: Ans✓✓✓ On any
type of shutdown except by power loss
A cadmium sulphide photoelectric cell: Ans✓✓✓ Will respond to very
light conditions with a varying internal resistance
A cast iron boiler disadvantage is: Ans✓✓✓ It's pressure limitations
A cast iron boiler disadvantage is: Ans✓✓✓ It's pressure limitations
A centrifuge compressor refrigeration system can be stopped simply by
pressing the stop button unless which of the following circumstances is
true? Ans✓✓✓ The systems auxiliary equipment is not electrically
interlocked
,A characteristic of a double serpentine water coil Ans✓✓✓ Low
pressure drop
A chattering or whistling noise coming from a Fossett can be caused by
a worn washer or Ans✓✓✓ A defective internal assembly
A chattering or whistling noise coming from a Fossett can be caused by
a worn washer or Ans✓✓✓ A defective internal assembly
A chisel which is used to cut keyways, channel and slots, is called
Ans✓✓✓ Cape chisel
A chromatograph uses an electronic devices which Ans✓✓✓ Has
inverse resistance properties relative to temperature
A circular chart recorder: Ans✓✓✓ May incorporate a bourdon tube
A closed type expansion tank is usually equipped with: Ans✓✓✓ A
gauge glass
A closed type expansion tank is usually equipped with: Ans✓✓✓ A
gauge glass
A Collar thrust bearing Ans✓✓✓ Has boundary lubrication.
, A collar thrust bearing: Ans✓✓✓ Can prevent a rotating shaft from
moving both axial directions.
Has boundary lubrication.
A compound wound dc generator has a combination of shunt and
Ans✓✓✓ Series characteristics, depending on the predominance of
each type of winding.
A compound wound DC generator may have three characteristics which
are: Ans✓✓✓ Decreasing output voltage versus load.
Constant output voltage.
Rising output voltage versus load.
A compression refrigeration compressor has no flow of refrigerant
through the expansion valve. What with this cause? Ans✓✓✓ Suction
pressure too low
A conductor supplied with current while in a magnetic field will:
Ans✓✓✓ Tend to move at right angles to the flux lines
A conductor supplied with current while in a magnetic field will:
Ans✓✓✓ Tend to move at right angles to the flux lines.
