Download Nevada (NV) C‑7 Elevation & Conveyance Contractor Practice Exam and more Exams Engineering in PDF only on Docsity!
Nevada (NV) C ‑ 7 Elevation & Conveyance Contractor Practice Exam This comprehensive practice exam is designed for candidates seeking the Nevada C‑7 Elevation and Conveyance Contractor license. The questions cover the official scope of work, business and financial management, safety regulations, and the specific technical knowledge required for elevator, escalator, and conveyance systems as defined by the Nevada Administrative Code (NAC) and industry standards.
EXAM FORMAT & ADMINISTRATIVE REQUIREMENTS Question 1: What is the primary mission of the Nevada State Contractors Board (NSCB)? A) To regulate electrical standards in Nevada B) To oversee licensing and discipline for contractors in Nevada C) To manage business registrations in Nevada D) To develop building codes for Nevada Correct Answer: B) To oversee licensing and discipline for contractors in Nevada Rationale: The NSCB’s primary mission is to regulate contractor licensing, ensure compliance, and discipline contractors to protect public safety and promote quality construction.
Question 2: Which classification of Nevada contractor license specifically covers work related to elevators and conveyance systems? A) C- 5
B) C- 7
C) C- 10
D) C- 15
Correct Answer: B) C- 7 Rationale: The C-7 classification specifically pertains to elevator, lift, and conveyance systems, including installation, maintenance, and repair.
Question 3: According to the Nevada Administrative Code, what work is authorized under a Classification C-7 license? A) General building construction B) Fabrication and installation of elevators, conveyors, dumbwaiters, and escalators C) Electrical wiring for residential buildings D) Plumbing and pipefitting Correct Answer: B) Fabrication and installation of elevators, conveyors, dumbwaiters, and escalators Rationale: NAC 624.250 states that a C-7 licensee may fabricate and install systems designed to transport persons, animals, and other chattels in elevators, conveyors, dumbwaiters, and escalators, including any appurtenant controls, signal systems, devices, and equipment.
Question 6: A contractor wants to install a pneumatic conveying system. Which C- 7 subclassification is required? A) C-7a B) C-7b C) C-7c D) C-7d Correct Answer: C) C-7c Rationale: Subclassification C-7c (Pneumatic Tube) covers the installation of pneumatic conveying systems, including equipment, tubing, supports, and incidental materials.
Question 7: What work is authorized under the C-7d subclassification? A) Elevator installation B) Escalator installation C) Moving walkway installation D) Pneumatic tube installation Correct Answer: C) Moving walkway installation Rationale: Subclassification C-7d (Moving Walkway) covers the installation of equipment to transfer people horizontally, including structural preparation and incidental work.
Question 8: Which of the following is NOT authorized under a C-7 license? A) Installation of escalators B) Installation of conveyors for freight C) Residential plumbing repairs D) Installation of elevator controls and signal systems Correct Answer: C) Residential plumbing repairs Rationale: The C-7 license is specifically limited to elevation and conveyance systems. Plumbing work falls under different classifications.
Question 9: What is a typical requirement for maintaining a C-7 license in Nevada? A) Passing a written business law exam annually B) Completing continuing education hours every renewal period C) Submitting a new application every year D) Attending monthly NSCB meetings Correct Answer: B) Completing continuing education hours every renewal period Rationale: Licensed contractors must complete continuing education hours as part of renewal requirements to stay current with industry standards and regulations.
Question 12: Which financial statement provides a snapshot of a contractor's assets, liabilities, and equity at a specific point in time? A) Income statement B) Balance sheet C) Cash flow statement D) Statement of retained earnings Correct Answer: B) Balance sheet Rationale: A balance sheet provides a snapshot of a company’s financial position, showing assets, liabilities, and equity at a specific date.
Question 13: What is the current minimum wage in Nevada for employees who do not receive health benefits? A) $8.25 per hour B) $10.50 per hour C) $9.75 per hour D) $12.00 per hour Correct Answer: C) $9.75 per hour Rationale: As of 2023, Nevada’s minimum wage is $9.75 per hour for employees who do not receive health benefits; this rate is subject to annual adjustments.
Question 14: How does Nevada law distinguish between an independent contractor and an employee? A) Based solely on the contractor’s written agreement B) Depending on the level of control over work and independence C) By the amount of wages paid D) Based on whether the worker owns equipment Correct Answer: B) Depending on the level of control over work and independence Rationale: Nevada law considers factors such as control over work, independence, and how the worker is paid to determine classification, influencing tax and legal responsibilities.
Question 15: Which OSHA regulation is specifically designed to prevent falls in construction and conveyance systems? A) Lockout/tagout procedures B) Fall protection standards C) Electrical safety protocols D) Machine guarding requirements Correct Answer: B) Fall protection standards Rationale: OSHA’s fall protection standards require safety measures such as guardrails, harnesses, and safety nets to prevent falls in construction and elevator work.
Rationale: Quantity take-off involves measuring and calculating the quantities of materials required from plans and drawings to prepare accurate bids.
Question 18: Which type of contract involves the contractor being paid based on actual costs plus a fee? A) Lump sum contract B) Cost-plus contract C) Time and materials contract D) Both B and C Correct Answer: D) Both B and C Rationale: Cost-plus contracts reimburse actual costs plus a fee. Time and materials contracts also reimburse for labor and materials with a markup.
Question 19: A fixed-price contract is also known as which of the following? A) Lump sum contract B) Cost-plus contract C) Unit price contract D) Incentive contract Correct Answer: A) Lump sum contract
Rationale: A fixed-price contract is commonly called a lump sum contract, where the contractor agrees to perform the work for a set total price.
Question 20: Which scheduling tool is most commonly used to display project tasks against a timeline? A) Gantt chart B) Pie chart C) Flowchart D) Bar graph Correct Answer: A) Gantt chart Rationale: Gantt charts graphically display project tasks against a timeline, illustrating start/end dates and overlaps.
Question 21: The Critical Path Method (CPM) is used to: A) Determine the shortest project duration by identifying critical tasks B) Assign costs to project components C) Schedule safety meetings D) Calculate project profit margins Correct Answer: A) Determine the shortest project duration by identifying critical tasks
Rationale: The control system manages the electrical signals and operations that direct the elevator’s movement and stopping.
Question 24: The ASME A17.1 safety code covers all aspects except: A) Design and installation standards B) Maintenance and testing procedures C) Electrical wiring for general buildings D) Emergency operation requirements Correct Answer: C) Electrical wiring for general buildings Rationale: ASME A17.1 focuses specifically on elevators and escalators, not general electrical wiring standards for buildings.
Question 25: What is the purpose of a governor in an elevator system? A) To control the door operation B) To regulate the speed of the elevator car C) To power the lighting system D) To monitor car weight Correct Answer: B) To regulate the speed of the elevator car
Rationale: The governor is a mechanical device that monitors and regulates elevator car speed, activating the safety gear if overspeed occurs.
Question 26: The safety gear on an elevator is designed to: A) Prevent the elevator from stopping B) Stop the elevator if the hoisting ropes break or overspeed occurs C) Control the door opening D) Balance the car and counterweight Correct Answer: B) Stop the elevator if the hoisting ropes break or overspeed occurs Rationale: The safety gear engages and halts the elevator if the hoisting ropes break or the car moves too fast, preventing free fall.
Question 27: In ADA compliance, what feature ensures accessibility for wheelchair users? A) Tactile controls B) Visual indicators C) Ramps and accessible lifts D) Emergency alarms Correct Answer: C) Ramps and accessible lifts
Rationale: Buffers absorb the energy of the falling car during over-travel, preventing damage and injuries.
Question 30: Which construction material is most common for the foundation slab of elevator pits? A) Steel B) Concrete C) Masonry D) Wood Correct Answer: B) Concrete Rationale: Concrete is the standard material for foundation slabs and pits due to its strength, durability, and stability.
Question 31: In hydraulic elevators, the lifting force is generated by: A) Traction cables B) Hydraulic fluid pressure C) Electromagnetic motors D) Counterweights Correct Answer: B) Hydraulic fluid pressure
Rationale: Hydraulic elevators operate using pressurized hydraulic fluid that moves a piston to raise and lower the cab.
Question 32: Which of the following is a typical component of a modern elevator control system? A) Roping mechanism B) Programmable logic controller (PLC) C) Cylinder assembly D) Bumper system Correct Answer: B) Programmable logic controller (PLC) Rationale: Modern elevator control systems often use PLCs to manage operation, safety, and communication.
Question 33: What does the term "over-speed" refer to in elevator safety? A) The elevator moving faster than its rated speed B) The elevator moving slower than normal C) The elevator stopping between floors D) The elevator doors opening too quickly Correct Answer: A) The elevator moving faster than its rated speed
Rationale: Fire recall mode automatically directs the elevator to a safe floor and disables normal operation to facilitate evacuation and safety.
Question 36: Which of the following best describes the role of a safety gear in an elevator? A) To control the speed of the elevator B) To engage during overspeed conditions and stop the car C) To operate the doors D) To adjust the counterweights Correct Answer: B) To engage during overspeed conditions and stop the car Rationale: The safety gear engages during overspeed or over-travel to stop the elevator car and prevent accidents.
Question 37: In elevator maintenance, which activity is critical for ensuring compliance with safety standards? A) Record-keeping of inspections B) Cleaning the machine room weekly C) Painting the hoistway D) Replacing light bulbs Correct Answer: A) Record-keeping of inspections
Rationale: Maintaining detailed records of inspections, tests, and repairs is essential for demonstrating compliance with ASME A17.1 and local codes.
Question 38: Which type of conveyor system uses a belt to transport materials? A) Pneumatic conveyor B) Belt conveyor C) Screw conveyor D) Chain conveyor Correct Answer: B) Belt conveyor Rationale: Belt conveyors use a continuous belt to transport materials and are common in freight and material handling applications.
Question 39: What is the primary advantage of a gearless traction elevator over a geared traction elevator? A) Lower cost B) Higher speed capability C) Easier installation D) Quieter operation only Correct Answer: B) Higher speed capability
