Microturbines Flashcards

1
Q

Starting a microturbine:

A) Cannot be automatic
B) Requires constant supervision
C) Needs extensive operator input
D) Requires a large checklist
E) Is fully automatic
A

E) Is fully automatic

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2
Q

A microturbine system is most likely not to have a/an:

A) Alternator
B) Control system
C) Rotating speed less than 50 000 rev/min
D) Insulation package to control noise
E) Heat recovery boiler on the exhaust
A

C) Rotating speed less than 50 000 rev/min

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3
Q

What types of energy is supplied to a system by a microturbine?

A) Pulse and potential
B) Mechanical and translational
C) Electricity and heat
D) Hydraulic and vibrational
E) Kinetic and momentum
A

C) Electricity and heat

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4
Q

The lubricating fluid in a microturbine is:

A) Alcohol
B) Graphite
C) Air
D) Helium
E) Mineral oil
A

C) Air

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5
Q

A major advantage of microturbines is that they:

A) Are very quiet in operation
B) Require no pressurized oil system for lubrication
C) Automatically produce 60 Hz electricity
D) Use steam for fuel
E) Produce very cool exhaust

A

B) Require no pressurized oil system for lubrication

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6
Q

The output from a microturbine is:

A) In phase with the system grid
B) Low frequency
C) Connected directly to the system grid
D) Synchronized by means of a converter
E) Supplied at a constant frequency
A

D) Synchronized by means of a converter

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7
Q

A microturbine combined heating system consists of:

A) Axial compressor, combustor, turbine, boiler and hydronic system
B) Compressor, gear box, flame tube, condenser
C) Reciprocating compressor, combustor, turbine, boiler and hydronic heating system
D) Recycle gas generator, turbine, boiler, incinerator
E) Rotary Gear compressor, turbine, generator

A

A) Axial compressor, combustor, turbine, boiler and hydronic system

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