Ch.18 Turbines Exam Questions - Process Technology 2e Complete Test Bank by NAPTA. DOCX document preview.
Introduction to Process Technology (NAPTA)
Chapter 18 Turbines
1) What device is used to produce power and to rotate shaft-driven equipment such as pumps, compressors, and electrical generators?
A) Turbine
B) Trip valve
C) Throttle valve
D) Nozzle
Page Ref: 249
Objective: 18.1 Describe the purpose or function of steam turbines in process industries
Blooms Level: Understand
2) What can be used to power turbines?
A) Air
B) Gas
C) Steam
D) All of the above
Page Ref: 249
Objective: 18.1 Describe the purpose or function of steam turbines in process industries
Blooms Level: Remember
3) What type of turbine is frequently used instead of electric motors so that it will continue to run in the event of a power outage?
A) Wind turbine
B) Steam turbine
C) Hydraulic turbine
D) Diesel turbine
Page Ref: 249
Objective: 18.1 Describe the purpose or function of steam turbines in process industries
Blooms Level: Understand
4) What type of turbine is driven by the pressure of steam discharged at high velocity against the blades of the rotor assembly?
A) Gas turbine
B) Wind turbine
C) Steam turbine
D) Hydraulic turbine
Page Ref: 250
Objective: 18.2 List and describe different types of turbines
Blooms Level: Understand
5) What involves motion used to perform work?
A) Kinetic energy
B) Potential energy
C) Mechanical energy
D) Actuate
Page Ref: 250
Objective: 18.2 List and describe different types of turbines
Blooms Level: Understand
6) Which of the following is an advantage of steam turbines over electrical equipment?
A) They are free from spark hazard
B) They can be used during power outages
C) They are suitable for damp environments
D) All of the above
Page Ref: 250
Objective: 18.2 List and describe different types of turbines
Blooms Level: Understand
7) Where are gas turbines most commonly used in the process industries?
A) Generators in remote locations
B) Processing plants
C) Backup generators
D) Water pumps
Page Ref: 251
Objective: 18.2 List and describe different types of turbines
Blooms Level: Understand
8) What type of turbine is moved, operated, or affected by water?
A) Gas turbine
B) Wind turbine
C) Steam turbine
D) Hydraulic turbine
Page Ref: 251
Objective: 18.2 List and describe different types of turbines
Blooms Level: Understand
9) What is the housing around the internal components of a steam turbine?
A) Shaft
B) Casing
C) Nozzle
D) Governor
Page Ref: 253
Objective: 18.3 Identify the primary parts and principles of operation of a typical noncondensing steam turbine: casing, shaft, moving blades, fixed blades, governor, nozzle, inlet, outlet, throttle valve, and trip valve
Blooms Level: Understand
10) What are rotor blades that move or rotate when steam is applied?
A) Governor
B) Fixed blades
C) Moving blades
D) Rotor assembly
Page Ref: 253
Objective: 18.3 Identify the primary parts and principles of operation of a typical noncondensing steam turbine: casing, shaft, moving blades, fixed blades, governor, nozzle, inlet, outlet, throttle valve, and trip valve
Blooms Level: Understand
11) What is a device in the steam turbine entry piping that converts pressure to velocity and directs the flow of steam to the steam turbine blades?
A) Shaft
B) Casing
C) Nozzle
D) Governor
Page Ref: 253
Objective: 18.3 Identify the primary parts and principles of operation of a typical noncondensing steam turbine: casing, shaft, moving blades, fixed blades, governor, nozzle, inlet, outlet, throttle valve, and trip valve
Blooms Level: Understand
12) What valve can be opened or closed slowly to control steam flow?
A) Trip valve
B) Steam valve
C) Throttle valve
D) Turbine valve
Page Ref: 253
Objective: 18.3 Identify the primary parts and principles of operation of a typical noncondensing steam turbine: casing, shaft, moving blades, fixed blades, governor, nozzle, inlet, outlet, throttle valve, and trip valve
Blooms Level: Understand
13) What turbine design has a quicker capacity for speed changes?
A) Reaction design
B) Impulse design
C) Single-stage wind turbine design
D) Multi-stage centrifugal design
Page Ref: 253
Objective: 18.3 Identify the primary parts and principles of operation of a typical noncondensing steam turbine: casing, shaft, moving blades, fixed blades, governor, nozzle, inlet, outlet, throttle valve, and trip valve
Blooms Level: Understand
14) What is a possible individual impact of touching the external housing of a steam turbine that is full of steam?
A) Burns caused by exposure to hot metal
B) Turbine could fly apart causing injury
C) Bodily injury from the turbine exploding
D) Retraining on turbine safety
Page Ref: 254-255
Objective: 18.4 Discuss the hazards associated with the improper operation of a steam turbine
Blooms Level: Understand
15) What improper operation can cause hunting?
A) Loss of casing and/or line insulation
B) Allowing turbine to run at critical speeds
C) Allowing "wet steam" or condensate into the turbine
D) Having a turbine governor that is toggling the speed above and below normal operating set point
Page Ref: 254-255
Objective: 18.4 Discuss the hazards associated with the improper operation of a steam turbine
Blooms Level: Understand
16) What improper operation can cause noise pollution?
A) Steam leaks
B) High discharge steam pressure
C) Loss of casing and/or line insulation
D) Allowing turbine to run at a critical speeds
Page Ref: 254-255
Objective: 18.4 Discuss the hazards associated with the improper operation of a steam turbine
Blooms Level: Understand
17) What should process technicians check when monitoring and maintaining turbines?
A) Check oil levels to make sure they are satisfactory
B) Check bearing temperatures at gauges
C) Check for water in the reservoir
D) All of the above
Page Ref: 255
Objective: 18.5 Describe the monitoring and maintenance activities associated with a steam turbine
Blooms Level: Understand